Pico 1976 Aug 13/14 20:50-01:00, 03:15 Observed by Foley? or Findlay?
(England, S=E) "Dark line to the E. (IAU?) of Pico obs. & persisted
till 0100h. On 14th the whole area around Pico was gray & diffused. At
0315h detail reappeared & NW corner sparkled. Small brilliant spot
appeared due N. of it & the albdeo exceeded Aristarchus (=9+ ?)" NASA
catalog weight=3 (average). NASA catalog ID #1443.
On 1955 Oct 04 UT 22:00 Dubois and Kozyrev (Crimea, Soviet Union,
50" reflector) observed the following in Aristarchus crater: "Low
disprsion (d=.13 whereas on Oct 28 & Nov d=0.03) Spectogram showing
emiss. in central part nr. H&K". Cameron says that this is a
confirmation of the previous Bartlett TLP? The Cameron 1978 catalog ID=
619 and weight=5. The ALPO/BAA weight=5.
Aristarchus 1969 Nov 27 UT 20:00? Observed by Miles (coventry, England,
5" refractor, x120) "Strong pink color in N. part; spectacular strong
blink. Did not notice obscur. Bands were vis." NASA catalog weight=4
(high). NASA catalog ID #1227.
1936 Oct 04 UT07:42 W.Haas drew bands, many smaller spots on
floor. Pickering's atlas 9D col 141 shows bands but no bright
spots. Haas' location Aliance, OH, USA. Reference: Haas, W.
J.Royal Astr. Soc. Canada. Cameron 1978 catalog ID=416 and
weight=3. ALPO/BAA weight=2.
In 1955 Oct 05 at UT 03:40-03:48 Bartlett (Baltimore, MD, USA, 5"
reflector, x180, S=6, T=5) observed in aristarchus an itenseley bright
blue-violet glare on EWBS, E, and NE wall. The Cameron 1978 catalog IF=
620 and weight=4. The ALPO/BAA weight=2.
Near Kepler 1966 Dec 31 UT 03:00? Observed by Petrova, Pospergelis
(Pulkova Observatory, Russia) "Special glow in this area. Confirmed by
photoelectric method (Petrova) & polarimetric (Pospergelis?) almost
simultaneously recorded by both" NASA catalog weight=5 (very high).
NASA catalog ID #1007.
On 1904 Aug 01 at 05:00? Pickering (Echo Mt., CA, USA) UT Plato:
"Bright hazy obj., 2" diam. on floor, Obs before & after were normal".
The Cameron 1978 catalog ID=318 and the weight=4. The ALPO/BAA
weight=3.
Messier A 1951 Oct 20 UT 00:00? Observed by Moore (England)
"Brilliant white circular patch in it. has seen it & Messier
blurred several times." NASA catalog weight=4 (good). NASA
catalog ID #545 Note that the date and time given are probably
wrong as the Sun is ~7deg below the local horizon at this time.
ALPO/BAA weight=1 to reflect this error.
Jansen 2013 Aug 26 UT 00:30-01:30 P. Grego (Cornwall, UK, 20cm
SCT, x200, seeing II, transparency good) observed a dark patch
just east of Jansen D. He had not seen this before. There maybe
a depression here hinted at in LOLA ndata. ALPO/BAA weight=1.
On 2008 Oct 19 during 05:40-06:30UT D. Holt of Chipping, UK observed an
anomalous patch of illumination just to the west of the centre of the
Posidonius J crater. It is possible that this is just some high ground
on the floor protruding through the shadow filled crater at sunset.
Therefore this has been assigned a weight of 1 for now, just in case it
is a TLP - until proven otherwise.
Aristarchus 1976 Aug 15 UT 23:00-23:45 Observed by Garbott (2)
(Bedfordshire, England, 10" reflector x500, seeing Antoniadi I)
and by Moore (Sussex, England, 15" reflector, x360, seeing
Antoniadi IV) "Noted blue color on N. wall extending toward
Herod. Also saw orange color in S. region. Confirmed by father.
(similar to many of Bartlett's rept's.), More noted nothing
unusual at 2320h." NASA catalog weight=4. NASA catalog ID #1444.
ALPO/BAA weight=2.
On 2009 Oct 09 UT11:00-11:04 NASA's LCROSS upper centaur stage,
followed 4 min later by the observation spacecraft, is due to impact
into a the crater Cabeus in the hope of kicking up some dust and
possible frozen volatiles. Note that this description is intended for
observers on the date of impact and it is doubtful that any new
science could be achieved by re-observing the same area months
after the impact. If you are observing on the date of impact, then
please observe around 11:00-11:04UT and ignore the predicted times in
the headings. However this report is included as techniqcally
if something is seen it is a TLP, albeit man-made! For those observing
on the date in question here are a few observing tips to maximize
the science of your observations: (1) If you are imaging, then please
try to obtain images before the impact because you can then subtract
these from images taken during the impact and hence show up faint
changes that you might normally miss. (2) If you have a spare scope and
camera,use this to observe through filters such as UBVR or I, or if you
have narrow band interference filters, try observing in
say Hydrogen Alpha, Methane, OH, or indeed any volatile that you
might expect to see in a comet (the main source of water at the poles).
(3) Please try checking the area long after the impact, just in
case other effects might trigger a TLP. (4) Please go to some trouble
to ensure accurate timings- these will be essential in order to
understand the sequence of events - assuming any are seen. Timings can
be obtained using a short wave radio or via a GPS. Note that you should
always use UT or UTC. (5) Please send any observations that you make
into the upload section of the LCROSS campaign observers web site. If
you belong to an astronomical society e.g. BAA or ALPO, then do please
send copies of your observations to the Lunar Sections of your society
or club. (6) Finally this desription will be updated a day or two after
the planned impact.
On 2009 Sep 09 UT23:31:43 P.Grego (St Dennis, Cornwall, UK, seeing II-
III) suspected a flash south of Cabeus, just beyond the terminator.
It was not bright, and lasted a fraction of a second. Thinks it might
have been illusory as he saw some fainter flashes (cosmic rays?)
during that nights observing session. ALPO/BAA weight=1.
On 1973 Oct 17 at Ut 11:30 Androsan (Edmonton, Canada, 6" reflector,
x230) observed a glow 1-2 sec reappearance of Saturn's rings at a place
of ring's appearance on the dark limb. The observers attributed it to
Saturn and its rings. Cameron speculates that it might be due to gas or
dust at the lunar surface. Eye was attacted to the glow which
delineated the limb at a position angle of 210 deg at emersion, at
Earthshine at Edmonton. The Cameron 1978 catalog ID= and weight=2. The
ALPO/BAA weight=1.
On 2009 Sep 11 UT00:15-00:20 and 01:00-01:05 C.Brook (Plymouth, UK, 5"
O.G., x100, seeing tremourlous but definition improving over time)
noticed that the central peak(s) in Alphonsus were brightening
gradually. No effect was seen earlier at UT23:30-23:35. One presumes
that the effect also occured between these two observing times?
The observer suspects that this was not a TLP, but is uncertain.
ALPO/BAA weight=1.
Eratosthenes 1976 Jun 20 UT 07:57 Observed by Bartlett
(Baltimore, MD, USA, 4.5" refractor, 40-450x, S=6.5, T=4-3)
"Floor covered with shadow & c.p. seen as 5deg bright spot.
Another minute spot 5deg bright on SE floor in shadow. (only low
hills on floor in SE. spot on terrace?" NASA catalog weight=4
(high). NASA catalog ID 1436.
Eratosthenes 1976 Aug 18 UT 06:12 Observed by Bartlett (Baltimore, MD,
USA, 4.5" refractor, 45, 225x, S=6, T=3-2) "Again, c.p. is vis. within
shadow but much brighter than on Aug, 4 (4 deg) & similar to June at
same col. The 2nd bright spot seen in June was not seen tonite.
(roughness on walls seen in LO IV & V pics show why these pseudo-
shadows appear)." NASA catalog weight=4 (high). NASA catalog ID #1445.
Tycho 1992 Aug 21 UT 07:58-10:59 Observed by Darling (Wisconsin,
USA, 16" & 11" reflectors, visual, photographic, CCD video
observations made) "At 08:56UT a V-shaped glow started to appear
in the shadow to the east of the central peak" ALPO TLP report.
See: http://www.ltpresearch.org/ltpreports/ltp19920821.htm
ALPO/BAA weight=1.
UT 08:30 or UT 20:30? SW inner wall of Aristarchus was intesnity
I=0.5, but was I=2.5 on July 2 at Col. 195. Observing conditions were
identical. Band is darkening near col. 180. (Observation made in
daylight?). Cameron 1978 NASA catalog ID=425 and weight=4
(very experienced observer). ALPO/BAA weight=3.
During sunset at this feature, with the interior in shadow
the observer saw that the central peak was nebulous and fuzzy
and not what one would expect. Cameron saw it on 9 Oct 1993
at sunset and noted that it was not nebulous, just a grey patch
although briefly she suspected perhaps two points/peaks?.
The Cameron 2006 extended catalog ID is 467 and the weight is
3. The ALPO/BAA weight is also 1. The observer used an 8"
reflector and conditions were S=4 and T=4.
On 1979 Jul 18 at 08:30-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Reichenbach glowed for a short time and then
faded. Cameron 2006 catalog ID=61 and weight=0. ALPO/BAA weight=1.
On 1979 Jul 18 at 08:30-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Stevinus glowed for a short time and then
faded. Cameron 2006 catalog ID=61 and weight=0. ALPO/BAA weight=1.
On 1979 Jul 18 at 08:56-09:05 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found Cleomedes (and other features) to glow, some with
flashes and pulsations. At 09:06 UT Cleomedes was glowing, but by
09:06UT it could no longer be seen. Cameron 2006 catalog ID=61 and
weight=0. ALPO. BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Condorcet (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Delambra (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Macrobius (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Manilius (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Mare Crisium (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Maskelyne A (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Menelaus (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Proclus (and other features - 12 in total)
were blue in colour - some had flashes that expanded from the centres
(at different rates). Cameron 2006 catalog ID=61 and weight=0. ALPO/BAA
weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Promontorium Agarum (and other features - 12
in total) were blue in colour - some had flashes that expanded from the
centres (at different rates). Cameron 2006 catalog ID=61 and weight=0.
ALPO/BAA weight=1.
On 1979 Jul 18 at 09:40-10:00 D.Darling (Sun Praire, WI, USA, 12.5"
reflector, x80) found that Tisserand (and other features - 12 in total)
were blue in colour - some had flashes that expanded from the centres
(at different rates). Cameron 2006 catalog ID=61 and weight=0. ALPO/BAA
weight=1.
Aristarchus 1969 Jan 12 UT 12:00 Observed by Taboada (Mexico,
Seeing Excellent) "Region showed same characteristics as
previous days, perhaps a little darker color brown but more
remarkable. Used red, blue & green filters & difference in color
noted in & out of region. (permanent ground color seen?)." NASA
catalog weight=3. NASA catalog ID #1116. ALPO/BAA weight=2.
Mare Numbium 1878 Oct 21 UT 01:02-03:00? Observed by Hirst (England)
"Half of the Moon's term. obliterated for 3h. (that part over dark mare
& blended in?)" NASA catalog weight=0 (very unreliable). NASA catalog
weight=205.
Heywood of Westville, Ohio, USA, using a 2" refractor under fair seeing
conditions, saw an unusually bright glow covering the dark part, nearly
uniform. Thought it was electric because it was too bright for
earthshine. It apparently obscured features. Cameron's 1978 TLP catalog
ID=243 and weight=1. ALPO/BAA weight=2.
In 1832 Feb 13 at UT 05:00 (maybe 08:00) Gruithuisen (Munich, Germany)
observed in Messier two straight lines and between them a dark band
covered with luminous pts. (According to Cameron opposite of view
revealed by Orbiter missions. Also Year wrong? crater in dark if 1837
it would be FM & fit desc.) The Cameron 1978 catalog ID=115 and weight=
4. The ALPO/BAA weight=2.
On 1938 Jul 24 at UT 08:00 Firsoff (Glastonbury, UK, 6" reflector with
filters) observed Grimaldi to be a gray-green colour. The Cameron 1978
catalog ID=442 and the weight=4.
Rocca 1938 Jul 28 UT 08:00 Observed by Haas (NM?, USA, 12?" reflector)
"Colored (dark ?) area was I=4.3, comp. with I=1.0 on 4/26/38 (see #
434) & I=1.3 on 4/27/38 (see #435)" NASA catalog weight=4 (high). NASA
catalog ID #441.
Cape Agarum 1967 Jan 14 UT 17:17-17:35 Observed by Middleton,
Colchester, England, 4" refractor, x240, S=G) "Cape was hazy or
obscured whereas Piccard, Pierce, & Cape Olivium were quite clear. Has
seen this area obscured many times" NASA catalog weight=3 (average).
NASA catalog ID #1008.
On 1969 Jan 22 at UT 00:10-00:30 Kilburn (England, UK, 6" reflector
x192, English Moon Blink device) observed a colour blink on the outer
east wall of Gassendi. Cameron says: "in dark!". The Cameron 1978
catalog ID=1117 and weight=3. The ALPO/BAA weight=2.
Aristarchus 1971 Oct 22 UT 19:43-19:56 A.Mackay (Hatton, UK, 15cm
reflector, x50) observed a pale pink on the W(IAU?) half of
Aristarchus and a pale shade of blue on the E(IAU?) half. The
effect faded from 19:56UT onwards and had gone 2 minutes later.
No information on whether other craters exhibited this effect,
given. Burgess, who observed later did not see any colour.
ALPO/BAA weight=1.
On 1980 Apr 16 at UT 20:00-22:20 P.W. Foley (Kent,UK, 12" reflector,
seeing II-III) found that Aristarchus could barely be seen. Therefore
it was not possible to take CED brightness measurements. Strangely
Cassini, Kepler, Plato and Mons Pico could be seen. However at
20:16 UT St Elmo fire-like flashes were seen coming from the interior
south east corner of Aristarchus at 20:16 UT and then the brightnesss
spread to fill the rest of he crater. Duration was about 5-20 sec
(Cameron comments: atmospheric effects?). The crater reached peak
brightness at 20:17UT (CED reading of 8). Foley comments that the
crater rim and area 16-24km around this (including Herodoyus) had a
translucent radiance. However at 20:25UT the brightness reduced
(including Herodotus) down to CED 3, however the blue radiance
remained. At 21:07UT Foley saw a star-like flash in the south east of
the floor (CED 3-4). Grimaldi was found to be of constant brightness by
comparison using the CED Brightness=2). At 20:20UT Amery (Reading, UK)
found Aristarchus to be a well visible circular fluorescent patch. At
20:40 Amery found the region between Aristarchus and Herodoutus was
glowing - appeared almost as a flare from Aristarchus and by 20:55UT
there was also a flare to the west of Aristarchus. At 20:27 Madej
(Huddersfield) detected only a slight glow from Aristarchus and the
region affected was small - indeed the glow had gone by 20:46. At 20:40
Ricketts detected a "continuous blue emission" - this had a cycle of 5-
10 sec (Cameron comments: atmosphere?). Saxton (Leeds, UK) detected at
20:42 "translucent effects and variations" at 20:42 noticed a star-like
point. At 19:00-21:40 M. Price (Camberley, UK) decided that Aristarchus
was fainter in brightness than normal. Peters observed a faint nebulous
spot at at 20:25-21:00 that changed in brightness in an irregular way.
Cameron 2006 catalog ID=86 and weight=5. ALPO/BAA weight=3.
On 1980 Apr 18 at UT20:55 G. Amery (Reading, UK, 10" reflector, 50-
200x, seeing III) individual features not seen near Cassini. Cameron
2006 catalog ID=86 and weight=5. ALPO/BAA weight=1.
North shore of Mare Crisium 1915 Dec 11 UT 06:00? Observed by
Thomas (Glenorchy, Tasmania) "star-like pt. on N. shore of
mare. (Eimmart?) Particularly bright spot. Tho't it was
sunlight from rim of sm. crater." NASA catalog weight=0 NASA
catalog ID #358. ALPO/BAA weight=1.
Atlas 1968 Dec 24 at UT 09:15-10:45 Osawa (Kyoto-Ken, Japan, 8"
reflector, 9mm Ortho, Seeing=5, later worse) saw a slight
brownish hue on the northern shadowy bed in the crater. It was
difficult to see the difference between the glow and chromatic
aberation of the eyepiece. The tint never showed up in filters.
The ALPO/BAA weight=1.
On 1980 Apr 19 at UT 20:37-20:49) P. Madej (Huddersfield, UK,
77mm refractor, x83 and x111) at 20:37 UT saw a slight glow at
x83, quite small in size. At 20:46UT no glow was seen at x83.
At 20:49 a slight glow seen again, but unclear and
illdefined - appeared larger in area at x111. Observatons
ceased at 21:56 dues to clid. ALPO/BAA weight=1.
On 1980 Apr 19 at UT20:30-22:59. The following is quoted from the
Cameron 2006 catalog.... "(Buczynski) alerted by colleague (Greenwood)
who used filters W15 (IR), W25 (red), W44A (blue), & W58 (UV) and had
located a possible blink in it. (Bucz) used W15, W44A & W25. C.P was
very bright in W25 (red), dull but vis. In W44A (blue) & floor was
noticibly darker in W44A than in W25. Bright cp vis. In W15 & floor was
of a light shade. Other craters checked for color, none found. In 44A
floor lost some definition (gas?). Sketches from Bucz. & Greenwood.
(Pedler) at 2140, floor area around cp was seen in white & red as
normal but blink was vis in white, darker in blue. Checks of other
features were negative. (Amery) small dark center & small dark area -
not shadow - under S wall. N wall obscured by dark area extending N
onto surrounding mare. (normal?) which was difficult to focus (gas?).
At 2155 N wall now sharper & dark area less intense. Craterlet Cameron
in N wall clearly seen which was invisible 1/2 h earlier. (Saxton)
whole crater flashed and blinked at 2155. Could see detail in brighter
W 1/2 of crater - not seen earlier. At 2205 seeing poor, at 2215 it was
normal. (Blair) at 2155 used red & blue filters & in blue it was darker
than in red. W. wall not well defined. (J. Cook) saw spurious color on
N & S rims. Saw a pink tinge on SE rim. (A. Cook) saw spur. Color on
most craters as seeing deteriorated. Got a blink on SE region > red
than blue". The Cameron 2006 catalog ID=87 and the weight=5. The
ALPO/BAA weight=3.
On 1881 Sep 27 at UT 19:00 Marokwic (South Africa) observed a comet-
like object pulling across the Mon. The Cameron 1978 catalog ID=225 and
the weight=2. The ALPO/BAA weight=1.
On 1980 Apr 20 at UT20:05-21:02 J.D. Cook (Frimley, UK, 12" reflector,
x60, seeing III-IV) at the start of this session found some bright
spots in the area of Copernicus, and at 21:02 detected some flashes in
this region. Cameron 2006 catalog ID=88 and weight=1. ALPO/BAA
weight=1.
On 1980 Apr 20 at UT20:27 M.Price (Camberley, UK) saw a flash in the
Grimaldi-Aristarchus area. Cameron 2006 catalog TLP ID=88 and weight=4.
ALPO/BAA weight=2.
On 1980 Apr 20 at UT 19:45-22:45 M.C.Cook (Frimley, UK) - colour
(probably spurious) seen on Piccolomini. Cameron 2006 catalog ID=88 and
weight=4. ALPO/BAA weight=1.
On 1980 Apr 20 at UT21:12-22:45 J-H Robinson (Teignmouth, UK, 10.5"
reflector, x180) found, using a Moon Blink device, evidence of colour
on the flor patches of Fracastorius crater, brighter in blue than in
red. Also the floor to center varied in brightness in blue and in red.
Peters observed in white light and found the south east-south wall had
a slight orange cast and when a Moon blink was used it was less bright
in blue than in red light. M. Cook found spurious colour on the south
rim and also on Mons Pico. There was a colour blink reaction on the
southeast floor of Fracastorius - this was both faint and blurred and
not seen in white light. A.C Cook detected the permanent blink in the
south east floor of the crater at 21:47 and a fainter one in the north
west (marginally brighter in red than in blue). J.D. Cook found no
colour with the Moon blink device. 21:22-22:10 P.W. Foley got a strong
colour reaction with the Moon Blink device - brighter in red than in
blue and detected a pink colour visually on the south east wall 22:10-
22:45 (this did not give a blink effect though). Cameron 2006 catalog
ID=88 and weight=4. ALPO/BAA weight=2.
On 1980 Apr 20 at UT21:38-21:50, Blair of Renfrewshire, Scotland (used
an 8" reflector and seeing=III) saw three patches in Petavius and they
could still be seen 7 minutes later. At 21:50UT he used a filter and
found the "northern one was brighter in blue, the southern one was
brighter in red and the central one was the same shad ein both
filters." Cameron comments that the central patch was a permananent
one. She then goes onto say that the crater is described as having dark
patches that are opposite to what one would expect from Fitton's theory
applied to dark features. Cameron 2006 extension catalog ID=88 and
weight=4. ALPO/BAA weight=2.
Proclus 1983 Jan 19 UT 20:36-21:00 Observed by Cook (Frimley, UK,
Seeing III, Transparency, Moderate) "Colouration seen". BAA Lunar
Section Report. ALPO/BAA weight=2.
On 1988 Nov 15 UT 19:15 Holmes (Rockdale, UK, 215mm Newtonian) noticed
the Censorinus apron (just east of the crater and including the rim)
was fuzzy but the crater was clear - a sketch was provided. A BAA Lunar
Section observation.Cameron 2006 Catalog Extension ID=339 and weight=3.
ALPO/BAA weight=2.
On 2001 Apr 29 at UT 20:50 R. Braga (Italy) reported that without any
filter, the brightness of the east wall of Torricelli B was halfway
Torricelli C (faintest) and Moltke (brightest). By insering a Wratten
25 red filter though, the crater was slightly more evident. However
using a blue Wratten 39A filter, the crater vanished completely, whilst
Toricelli C remained. The ALPO/BAA weight=3.
Webb (England, using a fluid achromat) saw brilliant minute spots and
streaks in Mare Crisium dotting its surface. This was seen near first
quarter. Cameron states that Schroter, Betr?, Madler, Slack and Ingall
had all seen it this way at times. Cameron 1978 catalog iD=111 and
weight=3. ALPO/BAA weight=2.
On 1981 Mar 12 at UT 19:25-20:30 Butler (of Brixton, UK, using a
10" reflector at 32-64x) noticed that Aristarchus was not
visible, although the Earthshine was very obvious. Foley (of
Kent, UK, and using 12" reflector) noticed that the crater was
only just visible but Plato could definitely be seen. Cameron's
2006 TLP extension catalog ID=125 and weight=0. ALPO/BAA
weight=2.
Alphonsus 1952 Nov 24 UT 18:00 A.P. Lenham (Swindon, UK, 3-
inch efractor x120) noted that the usual dark spots were not
visible, but floor ridges and craterlets were surperbly seen.
This may not be a TLP but has been given a TLP category as it
is a curious appearance and needs to be verified on a repeat
repeat illumination apeparance. ALPO/BAA weight=1.
On 1980 Apr 22 at UT20:30 R.Rohslberger (Hittfield, (near Hamburg) West
Germany, 8" reflector, x170 25mm occular used, 300mm focal length?)
took some photographs using projection. One of these recorded an
apparent "ejecta curtain". Cameron considered lens flare, but the other
photographs did not show this. If real then the plume was at a height
of ~40km and the ray was ~130km. Cameron concludes that this was an
impact photograph. The Cameron 2006 catalog ID=90 and the weight=5. The
ALPO/BAA weight=3.
On 1983 May 20 at UT00:00-03:00 K. Marshall (Medellin, Columbia)
noted that Mons Piton was too bright near the terminator and was
surrounded by shadow. A sketch was made. The mountain appeared
segmented with one thin shadow line. The mountain looked like a
Mexican Sombrero hat. This appearance is normal. What was
abnormal was that Piton was brighter than Proclus, and only
slightly fainter than Censorinus. The CED brightness
measurements were normal Piton=3.6, Proclus=3.5 and Censorinus=
3.7. Please check to see whether this is still the case. The
cameron 2006 catalog ID=221 and the weight=3. The ALPO/BAA
weight=1.
On 1984 Apr 08 UT 19:50 Mobberley (14" reflector, x194, seeing
III-IV, Transparency Fair-Poor, Cockfield, UK) found that
Torricelli B's shadow was 1/2 the way across the floor, which
was normal, but that there was a very dar grey/brown shroud
around the carter, out to several radii.
The ALPO/BAA weight=1.
Ptolemaeus 2020 Feb 01 UT 19:40-19:50 P. Sheperdson (York, UK,
102mm Mak - BAA) saw an "ashen" sliver of bright light across
the floor. Images taken. This maybe normal appearance - though
observer re-observed in May and found the effect different in
that there was no "ashen" like effect. Visual sketches and
time lapse image sequences welcome. If doing visual work - try
using a polaroid filter and rotate it to see if that makes any
difference. For imaging work, please over-expose slightly to
bring out detail on the floor; you could also try colour
imaging of the floor as an interesting experiment - though for
comparison purposes image other terminator features exhibiting
shadow spires. ALPO/BAA weight=1.
Dome W. of Manillius 1965 Dec 30 UT 10:35 Observed by Newport (England,
4" refractor x180) "White patch or haze, everything else was sharp"
NASA catalog weight=3 (average).
On 1987 Jan 07 at UT19:10-20:30 H.Miles of Cornwall, UK saw two bright
patches were seen in Earthshine at clock positions of 4 (this patch was
defined by the dark limb and the brightness faded inwards to the disk,
over a short distance. "Centred at 60 deg along the limb from the north
- a sketch showed approximately 10-15 deg along it") and 5:30 (this
second patch was smaller and not so bright as the first patch - it was
west of the north pole. P. Foley (Kent, UK) also detcted the patches
and said that one was not far from the sunrise terminator.
The Cameron 2006 Extension catalog gives this TLP an ID of 291 and a
weight of 2. The ALPO/BAA weight=2.
Alphonsus 1972 Sep 15 UTC 18:48-18:56 Observed by Hopp (13.25E, 52.5N,
75mm refractor) "Diffuse white to blue area within the crater - not
sure" T=4, S=4. Ref: Hilbrecht & Kuveler Moon & Planets (1984) Vol 30,
pp53-61.
On 1953 Sep 16 UT03:00 R.M. Lippert (San Diego, CA, USA, 20cm
Cassegrain reflector, x90)saw a bright magnitude 1 flash on the
Moon, that was probably on the east rim of Werner(?) crater. It
is unclear if the observer meant it was really magnitude 1, or
was what a magnitude 1 star would have looked like. The flash
was yellow-orange in colour. Observation described in the
"Observations and Comments" column in the December, 1953
Strolling Astronomer (Vol. 7, No. 12), on page 170. The ALPO/BAA
weight=3.
Mobberley and Foley note that Aristarchus was very
prominent in Earhshine. Little other detail seen
in Earthshine other than the limb. The Cameron
2006 extension catalog then says: "Confirm moving
side to side. Saw bright blue spot in center" however
it is unclear whether this refers to Aristarchus,
or Torricelli-B - the latter was also undergoing a TLP
at this time. Cameron 2006 extension catalog ID=267
and weight=5 (confirmed?).
On 1985 Apr 27 UT 22:00 M. Mobberley (Suffolk, UK) could not see much
detail in Earthshine (apart from Aristarchus), except that there was a
brightness on the western limb of the Moon. The Cameron 2006 catalog
ID=267 and the weight=5. The ALPO/BAA weight=1.
Pickering 1971 Jan 04 UTC 20:29-20:37 Observed by Collier (London,
England) "Between Saunder and Rhaeticus, apparently coming from Pick.
After 2027h it dimished with extraordinary swiftness, like a light goes
out. (experienced observer)" NASA catalog weight=?. NASA catalog ID #
1281. Note that this crater was previously called E.C. Pickering before
the IAU renamed some craters.
On 1989 Dec 05 D. Darling of Sun Praire, WI, USA, saw two dark spots on
the SE floor of Proclus. The first dark spot was seen through 3"
refractor and then also through a 12.5" reflector (35x and 154x).
Seeing was S=10 and T=5. He noticed that at 23:00UT the wall spot was
less well defined. Darling also comments that he observed reflecting
glint, almost as if from a glass surface - he had not seen this effect
before. A telephone alert was issued and Caruso verified the spots.
Cameron comments that the spots were not shadows because the Sun was at
an altitude of 52 deg at Proclus at the time and she states that the
steepest slope ever mesured on the Moon was 52 deg and not inside
Proclus. Other observers observing were: Weier (6.5" refractor x284 and
S=3/10), Caruso (8" reflector x100), and Cameron. The Cameron 2006
catalog extesnion ID was 382 and the weight=1. ALPO/BAA weight=3.
Messier 1878 Nov 02 UT 20:00? Observed by Kleis (Cologne, Germany, 6"
refractor?) "Shaped like a half moon with E. edge missing. Appeared
diffuse. Messier A was sharp & completely defined. Was sure there was
fog there. Next day same appear. Shadow was diffused before noon, Mess.
A is more yellow after noon, greener near Mess. A noon, both are same
color." NASA catalog weight=4 (very high). NASA catalog ID #206.
2004 Nov 20 UT 01:43:36 R. Spellman (120mm F8.3 refractor at
prime focus, PC23C CCTV camera, via a DVD recorder) recorded
a flash of light. The ALPO/BAA weight=1.
Dawes 1948 Feb 17 UT 19:30 Observed by Thornton (Northwick, England,
18" reflector) "Did not see c.p. saw cleft-like streaks from SW crest
to E, shadow." NASA catalog weight=3 (average). NASA catalog ID #501.
Alphonsus 1952 Nov 25 UT 17:15 A.P. Lenham (Swindon, UK, 3-
inch refractor) noted that the usual dark spots were not
visible. This may not be a TLP but has been given a TLP
category as it is a curious appearance and needs to be
verified on a repeat repeat illumination apeparance. ALPO/BAA
weight=1.
Pallas-Schroter 1953 Nov 13 UTC 02:00 Observed by L.Stuart (USA)
"Saw and photographed a bright spot on term. between these two
craters. Used Kodak 103aF3." NASA catalog weight=5 and catalog
ID #559. ALPO/BAA weight=5.
On 2009 Nov 25 UT18:42-21:03 P.Abel, T.Little and C.North (Selsey, UK,
15" reflector, seeing II-III, transparency very good), all saw visually
a brownish tinge on the north west rim of Eratosthenes crater. P.Abel
made a sketch and T.Little took some high resolution CCD images, some
of which were through coloured filters. Checks were made for spurious
colour, but none was seen elsewhere on the Moon. The eyepiece was
changed but this made no difference. M.C.Cook (Mundesley) was observing
with a smaller scope at the same time, but saw no colour, however
observing conditions were worse. W.Leatherbarrow (Sheffield, UK) was
observing with a instrumenet mid way in size, and saw a brownish tinge
in the NW rim area, but saw a similar colour elsewhere and put this
down to spurious colour. Normally multiple observers seeing the same
thing would result in a weight of 4, however as this was only observers
at Selsey and some of the evidence contradicts, I am allocating an
ALPO/BAA weight=3.
On 2012 Aug 25 UT1944-1952 Eratosthenes crater was imaged by C.
Galdies (Malta,Nexstar 8SE, Philips SPC 900NC camera). 4
Registaxed images were produced covering 19:45, 19:48, 19:49,
and 19:51. All but the first image, once first order spurious
colour had been removed, showed orange on the shaded terraces on
the western illuminated rim (similar to what Paul Abel and
others saw in 2009, albeit just confined to the NW rim), and the
interior floor shadow was slightly smaller in red light. However
orange colour was also seen on the eastern side of mountains to
the south of the crater, which infers that the spurios colour
removal did not fully acomplish its main goal. The effects were
not caused by the registax software as the orange colour is
visible on individual images. Although probably the colour is
not lunar in orgin, its explanation is not fully explaianed,
therfore an ALPO/BAA weight of 1 is used for now.
On 1969 Nov 18 at UT 04:22 Loocks (Valparaiso, Chile, 12" reflector)
observed a flash of light of magnitude 12. Cameron speculates a meteor
and mentions the apollo 12 watch. The Cameron 1978 catalog ID=1214 and
weight=1. The ALPO/BAA weight=1.
Tycho 2003 May 10 UTC 03:15 Observer Robert Spellman (Los Angeles, USA)
- "CCD video of spur-like features coming off N & S edges of central
peak - spurs pointed eastwards". It is now thought that this effect is
almost certainly seeing flare as it is visible on other features in the
image, although to a much lesser extent. The ALPO/BAA weight=1.
On 1931 Mar 27 R.Barker (observing from Cheshunt, UK, 12.5" reflector)
found that the central mountain in the brilliant ray crater Tycho was a
curious shade of grey. This was despite the interior of Tycho being
fully in shadow. Cameron 1978 catalog ID=400 and weight=3. ALPO/BAA
weight=3.
North (?) (left) Cusp 1912 Jan 28 UT 00:00 (27th 20:00 L.T.) Observed
by Harris (Philadelphia? Pennsylvania?, naked eye?): Intensely black
curved object 400x240km, shaped like a "crow". Cameron 1978 weight=1
(very low) and ID=334. ALPO/BAA weight=1.
Alphonsus 1968 Apr 06 UTC 20:30-21:15 Observed by Wise (Slough,
England, 17" reflector x190, x350, S=E" Suspected glow inside W.(ast?)
wall at 2038" NASA catalog weight=1 (very low). NASA catalog ID #1066.
Plato 1968 Apr 06 UTC 20:30-21:15 Observed by Wise (Slough, England,
17" reflector x190, x350, S=E" Dark patches in Plato were prominent"
NASA catalog weight=1 (very low). NASA catalog ID #1066.
Straight Wall 1968 Apr 06 UTC 20:30-21:15 Observed by Wise (Slough,
England), 17" reflector x190, x350, S=E "A shadow from N. end of
Straight Wall going toward Birt. Drawing". NASA Catalalog weight=1
(very low). NASA catalog ID #1066.
Eratosthenes 1947 Jan 30 Mean Col. 16deg. Observed by Hill (UK) "Main
peak of massive central mountain group appeared to be in a shadowless
having regard to it's claimed height of 6,600 ft. The whole of the
floor to the west should have still been in darkness. Instead
immediately to the west was a dark (intensity 1.5-2) region extending
almost to the foot of the bright inner wall and very diffuse in
outline. The observation could not be followed through due to
increasing cloud, but on the following night all was normal."
Eratosthenes: On 2017 May 04 UT 21:50-22:10 N. Longshaw (BAA,
UK, 78mm APO refractor, x125 & x175, seeing II-III,
transparency Good). A brownish (orange) tint was seen on the
inner NW wall light terraces - this was immediately obvious
when first looking at the crater, but as time progressed the
effect became less bright. Other craters were checked for
similar coloured tints, but none were seen elsewhere on the
Moon. UAI observers in Italy (F. Taggogna & A. Tonon) had been
imaging the region in colour 17:57-21:47, but their images do
not show any colour on the inner NW rim terraces, the their
last image is 3 min before Longshaw saw the colour. The
ALPO/BAA weight=2.
On 1886 Jun 10 at UT 21:00 (estimated) Tempel of Germany, saw a star-
like light (Cameron comments that the reference in the Middlehurst
catalog is wrong). Cameron 1978 catalog ID= and weight=4. ALPO/BAA
weight=3.
On 1989 Dec 06 at 23:09-23:34UT D. Darling of Sun Praire, WI, USA (3"
refractor x36 and x90, and then a 12.5" reflector at x64, S=7/10 and T=
4, saw dark spots in Proclus (not as dark as those from 5th Dec 1989).
Two telescopes were used and the bigger of these revealed some shading
on the floor of Proclus approximately a third as intense as he had seen
the previous night. A sketch was made. The TLP finished by 22:34UT.
Cameron comments that the dark patches could not be due to shadow as
the altitude of the Sun was too high at proclus. The Cameron 2006
extension catalog ID=383 and the weight=0. The ALPO/BAA weight=2.
On 1981 May 12 UT 22:00? M.C. Cook (Frimley, UK and using a 12"
reflector), noticed that Censorinus was very bright, fuzzy and
occasionally brighter than Proclus. However both Foley (Kent, UK) and
Amery (Reading, UK) using a C.E.D. found that Proclus was brighter than
Censorinus as it had been during April and May 1981. However Chapman
obtained the reverse of this. Cameron 2006 extension catalog ID=138 and
weught=3. ALPO/BAA weight=2.
On 1981 May 12 UT 22:45-2325 M.C. Cook (Frimley, UK and using
a 12" reflector), noticed that Censorinus was very bright,
fuzzy and occasionally brighter than Proclus. However both
Foley (Kent, UK) and Amery (Reading, UK) using a C.E.D. found
that Proclus was brighter than Censorinus as it had been
during April and May 1981. However Chapman obtained the
reverse of this. Cameron 2006 extension catalog ID=138 and
weught=3. ALPO/BAA weight=1.
On 1936 Oct 25 at 01:35 UT W. Haas (Alliance, OH, USA, 12"
reflector) saw small bright spots on the floor of Eratosthenes,
(Pickering's atlas 9A, col. 30deg, shows no spots - according to
Cameron). Cameron 1978 catalog TLP=417 and weight=4. ALPO/BAA
weight=1.
Alphonsus 1969 Nov 19 UT 03:30 Observed by Argus/Astronet (CA?, USA)
Brightening in W. rim & S. central floor, seen by 2 obs. (Apollo 12
watch)" NASA catalog weight 3 (average). NASA catalog ID #1219.
Plato 2005 Dec 10 UT 20:46 Observed by Brook (Plymouth, UK, 4"
refractor. Conditions excellent with the Moon at a high altitude) "2
second duration white flash seen on the floor of the crater" - BAA
Lunar Section Report.
Messier and A 1966 Dec 22 UT 06:00-06:30 Observed by Kelsey (Riverside,
CA, USA, 8" reflector, x200, S=G, T=P) "Blinks on floors of both
craters (blink device not stated)" NASA catalog weight=2 (low). NASA
catalaog ID #1004.
Piton 1958 Sep 23 UT 00:00? Observed by Moore? (UK?) "Enveloped
in an obscuring cloud-like mist" NASA catalog ID 697. NASA
catalog weight=2. ALPO/BAA weight=2.
On 1980 Apr 24 at 23:35UT Marco Petek (Porto Alegre, Brazil,
using a 7.5" refractor noticed that the center of Plato was
bright and opaque and the observer thought it was similar in
appearance to Linne. A sketch was made and two other observers
confirmed the appearance. Cameron mentions that Petek is an
experienced observer. Cameron 2006 catalog extension TLP ID=91
and weight=5. ALPO/BAA weight=3.
Cichus 1975 Sep 15 UT 11:15-11:30 G.Ryder (Corinda, Australia,
25cm reflector, x250 & x380, seeing good but with some cloud)
The interior W. wall of this crater (on the lip) appeared
hazy - difficulkt to bring detail into focus. Neighbouring
craters/detail were sharp. Details in the crater wall interior
were starting to become visible as time went on, but it had
clouded over by 11:30. A Moon Blink was used but no colour was
detected. ALPO/BAA weight=1.
On 1985 mar 01 at 20:00UT? Moseley noticed a violet band (tapering to
an apex close to the crater centre and merged with the eastern
exterior) around Toricelli B, however M. Cook (Frimley, UK) had seen a
dusky band(England, UK) on an earlier photo. There was no terminator
shadow in the crater. Cameron 2006 Catalog Extension TLP ID=260 aqnd
weight=3. ALPO/BAA weight=3.
Censorinus-Maskelyne 1927 Apr 11/12 UTC 23:00-01:00? Observed by
Druzdov (Russia) "2 luminescent pts. observed. Not vis. at same sun
angle on May 7 & 12th. Not vis. on photos of Barn in 5/23/63" NASA
catalog weight=3 (average). NASA catalog ID #393.
2004 Jan 02 UT 09:05 (approx) M. Collins (Palmeston North, New
Zealand, ETX 90, seeing 3, clear) saw a possible(?) flash north
of Carlini D at about 16W, 35N in adverted vision. It lasted
only a split second. The ALPO/BAA weight=1.
A region of the Mare Imbrium was extremely bright, giving
a reading of 8 out of 10 on the Elger scale. Cameron notes
that from photos of the Full Moon, the area appears to
normally be the brightness of Archimedes floor i.e. 3.5 out
of 10 on the Elger scale. Atmospheric seeing was excellent
and the observer could see a lot of fine detail with their
2.4" and 3" refractors. Cameron 2006 catalog extension ID=62
and weight=3.
Bulialdus 1979 Aug 03 UT 21:36-21:48 Observed by Cook (Frimley, UK,
seeing III, Moonblink device) "Bullialdus eastern side of the crater
looked brighter in red i.e. rim and exterior, extending to the south
slightly and this reddish areas was slightly hazy. At 21:41 it clouded
over but at 21:47-21:48 it cleared briefly and effect was noted again.
Also Darney appeared very visible through the red filter. Probably
spurious colour as the Moon was -18 deg in declination and the whole
Moon had a slight brownish tinge" ALPO/BAA weight=1.
Darney observed by Cook (Frimley, UK, seeing III, Moonblink device)
See TLP report for Bullialdus (eastern side) concerning reddish
areas. At 21:41 it clouded over but at 21:47-21:48 it
cleared briefly and the effect was noted on Bulialdus again.
Also Darney appeared very visible through the red filter.
Probably both effects were spurious colour related as the Moon
was -18 deg in declination and the whole Moon had a slight
brownish tinge. An ALPO/BAA weight of 1 is assigned to this TLP."
Alphonsus 1969 Nov 20 05:27 (UT)? Observed by Argus/Astronet (San
Diego, Sacramento, CA, USA) "Brightening in crater. (San Diego &
Sacramento obs. confirmed, but astronauts did not see anything. Apollo
12 watch)." NASA catalog weight=3 (average). NASA catalog ID #1222.
In 1820 Oct 17 at UT 20:00 an unkown observer reported in Mare Imbrium,
south of Sinus Iridum (30W, 40N) some brilliant spots. The Cameron 1978
catalog ID=80 and weight=1. The ALPO/BAA weight=1.
Plato 1966 Dec 23 UT 06:15-07:10 Observed by Kelsey (Riverside, CA,
USA, 6" reflector, S=P, T=G) and Coralitos Observatory (Organ Pass, NM,
USA, 24" reflector +Moonblink) "3 brilliant spots on floor, all showed
blinks, (permanent colored Ground features ?). Not confirmed by
Corralitos MB." NASA catalog weight=2 (low). NASA catalog ID #1005.
Gassendi 1977 May 28/29 UT 20:45-21:15 Observed by D. Sims
(Dawlish, Devon, UK) saw a hazy area on the south east floor
that was normal in red and white light but darker in blue.
This was partly confirmed by J-H Robinson (Devon, England, 10"
reflector) 21:24-23:12 who saw the south east floor of
Gassendi to have a loss of detail - but no colour seen,
although at 21:57-21:58 it was slightly brighter in red than
in blue briefly. P. Doherty (22:45-23:15) did not see anything
ususual. D. Jewitt (22:22-22:55) did not reveal anything
ususual, apart from spurious colour. The Cameron 1978 catalog
ID=3 and ID=1463. The ALPO/BAA weight=3.
On 1990 Sep 30 at D. Darling (Sun Praire, WI, USA, 12.5"
reflector, x150) observed a red spot on the west wall (bright
in red filter and faint in the blue filter. No filter
reactions were found elsewhere. Gassendi had much detail
visible. A sketch was made. BAA observers in the UK were
alerted but they could not observe due to cloud. Cameron
2006 extension catalog ID=411 and weight=5. ALPO/BAA weight=3.
On 1985 Mar 02 at 20:00UT? Marshall (Medeline, Colombia, South America)
measured some very low Crater Extinction Device brightness readings of
Censorinus compared to Proclus. The Cameron 2006 catalog extension ID=
261 and the weight=3. ALPO/BAA weight=2.
Aristarchus, Schroter's Valley, Herodotus 1881 Aug 06 UT 00:00?
Observed by Klein (Cologne, Germany, 6" refractor, 5" reflector)
"Whole region between these features appeared in strong violet
light as if covered by a fog spreading further on 7th. Examined
others around & none showed effect. Intensity not altered if
Aris. placed out of view." NASA catalog weight=4 (high). NASA
catalog ID #224. ALPO/BAA weight=3.
Plato 1982 Jun 02 UT 22:00. Mobberley could not see the
central craterlet on the floor of Plato tonight. Foley notes
that he could only just see the central craterlet on nights of
2-5th Jun and it was of reduced in brightness from normal.
North reported that the floor seemed nearly black, but
brighter in a green filter (x144 magnification used). All
three observers compared the Plato area to other areas for
reference. All the above seems normal, apart from the floor
being brighter in the green filter. Cameron 2006 extension
catalog ID 170 and weight=5. BAA/ALPO weight=1.
On 1889 May 11 at 22:00? UT an unknown observer saw an ink black spot
on the rampart of Gassendi. It had not been seen before ar at the next
lunation or indeed ever again. Cameron 1978 catalog ID=261 and
weight=3. ALPO/BAA weight=2.
Cobra Head 1949 Feb 10 UT 00:00? Observed by Thorton (Northwich,
England, 18" reflector) "I was examining the Cobra Head of the Schroter
Valley, when I noticed what seemed to be a diffuseed patch of thin
smoke or vapour, apparently originating from the valley on the E. Side
where the landslip is, and spread over the edge on to the plain for a
short distance. Every detail of the edge of the valley was perfectly
clear and distinct except where this patch occurred, but there the
definition was poor and very blurred" NASA catalog
weight=4 and catalog ID #515. ALPO/BAA weight=1.
Bullialdus 1974 Sep 27 UT 22:45-23:40 Observed by Findlay, Ford
(Dundee, Scotland, 10" refractor, 150x, 180x, filters) "Saw yellowish-
orange color in crater. After clouds passed at 2300h color still there
& gave a slight blink which no other craters did. Not seen in red
filter, dark in blue. Ford saw it along ridge fr. c.p. to SW wall.
Alert did not bring confirm. as clouds intervened for all others." NASA
catalog weight=4. NASA catalog ID #1394. ALPO/BAA weight=3.
Aristarchus 1975 Oct 16 UT 20:00? Observed by Foley (Kent,
England, 12" reflector) "Deep blue-viol. spot in NW (IAU?)
interior corner." NASA catalog weight=3. NASA catalog ID #
1413. ALPO/BAA weight=1.
On 1990 Oct 1st at 00:44-01:24UT D Darling (Sun Praire, WI, USA)
observed that Gassendi still had a blink effect when viewed through
blue (Wratten 38A) and red (Wratten 25A) filters. No effect was seen on
Aristarchus. Gassendi was brighter in the red filter and this was
confirmed by Weier. Sketches were made and brightness measurements
taken. Both observers used a 12.5" reflector x159. At 01:00UT the NW
wall was 7.5, the SW wall 8.0, the S. wall 7.5, the floor 6.0, the
outer E. wall 8.0, the N. floor 5.5. Gassendi A W. wall was 9.5,l
Aristarchus W. floor was 8.0, NW wall 8.0, shadowed floor 0.0, E. outer
wall 7.0, NBP 5.5, area between Aristarchus and Herodotus 6.0, and the
comet like tail: 8.2 on the E. and 8.5 on the W. The Cameron 2006
catalog extension TLP ID=412 and weight=5. The ALPO/BAA weight=4.
Aristarchus 1971 Sep 01 UT 20:45-21:05 Observed by Neville,
Cunnington (Nottingham, UK, 4" refractor x180, altitude, low)
"Saw a bright glow, especially in E. wall (Confirm. but not
indep.?)" NASA catalog weight=3. NASA catalog ID #1310.
ALPO/BAA weight=1.
Aristarchus 1976 Sep 05/06 UT 18:45-01:35 Observed by Prout
(England?, 12" reflector, S=III-II), Foley (England, 12"
reflector), Moore and Spry (Sussex, England, 12" reflector)
"Viol. hue on crater on W. wall, especially NW corner seen by
Prout & 2 Foleys. Moore & Spry did not see color. All obs. noted
that the crater was dull Proclus 1970 Oct 12 UT 00:54 Observed by Bartlett (Baltimore, MD, USA,
4" reflector, 51x-181x) "Floor darkened to intensity 1.5 deg (albedo) &
c.p. became invis. Next day c.p. reappared & was 5 deg bright & 6deg
bright on 15th" NASA catalog weight=4 (high). NASA catalog ID #1277.
Schroter's Valley 1955 Aug 29 UT 19:45 Observed by Firsoff (Somerset,
England, 6.5" reflector x200, S=P-F) "Valley almost completely
invisible in blue" NASA catalog weight=4 (high). NASA catalog ID #605.
Observed by Bartlett (Baltimore, MD, USA, 5" reflector x180, S=1-5,
T=5) Pseudo peak visible within floor shadow at 03:10h" NASA catalog
weight=4 (high). NASA catalog ID #671. ALPO/BAA weight=3.
On 1965 May 12 at UT 19:10 E. Penzel (Rodewisch, East Germany) was
taking a sequence of images during the impact of the Soviet Lunik 5. He
detected a tens of km scale elongated cloud after the impact over a
duration of 9.5 minutes. However there are differences between the
images elsewhere on the Moon, possibly due to different exposures or
some other effects and it is not 100% sure that what he detected was
impact debris/cloud?. The ALPO/BAA weight=3.
Schickard 1972 Sep 19 UT 19:45-20:25, 20:00-23:30 Observed by Watkins
(Herts., Eng. 4.5" reflector, x225, S=G) Amery (Reading, Eng.m 12"
reflector?), Fitton (Lancashire, Emg., 8.5" reflector) and Moore
(Selsey, Eng., 12.5" reflector?, 4.5" refractor 45-225x, S=P)
"Luminous, nebulous spot attracted Watkin's att'n. Got brighter.
Checked 'scope--not instru. Obj. had greenish-gray color, size @ 15km.
Amery & Fitton with blink devices noted nothing unusual at later times
(2000-2330h). Aris., Plato, Gass. were neg. at 1930-2025h (date not
given, guessed at fr. available info.). Turbulence, lasting
secs. at a time." NASA catalog weight=2. NASA catalog ID #
1344. ALPO/BAA weight=2.
On 2002 Feb 24 UT 05:15-05:35 W. Haas (Las Cruces, NM, USA) observed an
obscuration in Herodotus - the shadown was, almost, but not
completely black. ALPO/BAA weight=2.
On 1955 Oct 28 at UT00:00? Kozyrev (Crimea, Soviet Union, 50"
reflector) detected in Aristarchus Fraunhofer lines in UV spectra that
were much narrower than in the solar spectrum. This indicated
luminescent glow which overlapped contour(?) lines. Greatest after Full
Moon, but fluctuated monthly with no indication of solar activity
effect. The Cameron 1978 catalog ID=621 and the weight=5. The ALPO/BAA
weight=5.
On 1933 oct 01 at UT 03:00 Rawstron (USA, 4" refractor, x330) observed
the following in Mons Pico B: "Haze -- much narrower & elongated than
on Sep. 1". The Cameron 1978 catalog ID=407 and weight=3. The ALPO/BAA
weight=2.
On 2002 Feb 24 UT 06:05-06:20 W. Haas (Las Cruces, NM, USA) observed
that the shadow was, almost, but not completely black. This might have
been related to the observing conditions.
ALPO/BAA weight=2.
Observed by Haas (Las Cruces, NM, USA) "Temporary greyness seen in
interior shadow." ALPO/BAA weight=3.
On 1955 Oct 28 at UT 00:06 W. Taylor saw a naked eye flash on the Moon
in the north east area, on the edge of Mare Vaporum. The flash was
intense and radiated to a large area. The duration was 1/4 seconds.
Aristarchus, Schroter's Valley, Herodotus 1881 Aug 07 UT 00:00?
Observed by Klein (Cologne, Germany, 6" refractor, 5" reflector) "Whole
region between these features appeared in strong violet light as if
covered by a fog spreading further on 7th. Examined others around &
none showed effect. Intensity not altered if Aris. placed out of
view." NASA catalog weight=4 (high). NASA catalog ID #224.
Aristarchus 1981 Mar 17 UT 22:40-23:25 Observed by Moore
(Selsey, England, 15" reflector, seeing III) "Aristarchus very
bright according to Crater Extinction Device and a coloured
blink detected" BAA Lunar Section TLP report. ALPO/BAA
weight=1.
On 1965 May 12 at UT 22:20 H. Miles (UK) found a possible
obscuration in Bailly crater. Most of the region was as sharp as
normal, but the central area was greyish and blurred. Although
the observer concerned considered themselves a non-experienced
observer, another BAA Lunar Section observer saw the same
effect. ALPO/BAA weight=2.
Aristarchus Area 2004 Nov 22 UT 04:58-05:49 Observed by Gray
(Winemucca, NV, USA, 152mm f/9 refractor, seeing 4-5, trasparency 4-5,
x114, x228) "Blinked Herodotus with Wratten filters Blue 38A and Red
25. The illuminated west crater wall stood out brilliantly in blue
light, much more so than in white light. This was true also of
Aristarchus. Red light did not increase contrasts in Herodotus any more
than they were in white light. Shadows in Herodotus appeared as black
as the night west of the terminator and remained that way throughout
the observing period. No TLP seen in Herodotus tonight. A possible TLP
was seen to the west of Herodotus near the terminus of Schroters
Valley. It was noted at the beginning of the observing period that
there were four very bright spots of light, one near the end of
Schroters Valley, the other three grouped together a little farther
north. Although not far from the terminator they were definitely east
of it. It was noted that all of them nearly vanished in the Blue 38A
filter while Aristarchus and the rim of Herodotus gleamed brilliantly.
At 5:19UT it was noted that the most brilliant of the four lights, the
one near the terminus of Schroters Valley, had faded almost to
invisibility in white light. When first seen it had been brighter than
Aristarchus. It remained very dim after this through the remainder of
the observing period, and was unchanged at 7:35-7:49UT when I again
examined the area. The other three bright spots remained brilliant and
unchanged."
Aristarchus 1973 Aug 10 UTC 20:14 observed by Baumeister
(48.63N, 9.25E, 110mm reflector, T=2, S=2) "Orange to red
colours at the crater floor disappeared until 21:04" -
Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984),
p53-61. ALPO/BAA weight=2.
Plato 1973 Aug 10 UT 22:45 observed by Robinson (Devon, UK).
Observer noticed that the lighter areas on the floor were more
distinct in red than in the blue filter. ALPO/BAA weight=1.
1954 Aug 11 observed by Firsoff (Somerset, UK, 6.5" reflector,
x200) "Brilliant in red filter, variable)" NASA catalog
weight=4. NASA catalog ID #570. ALPO/BAA weight=3.
Rays of(?) (in?) Herodotus 1955 Oct 28 UTC 18:30 Observed by Kozyrev
(Crimea, Russia, 50" reflector, spectragraph) "Spectrum 3934A (K of
Ca). 3964 (H of Ca) change in luminosity. 13% in H, 19% in K, 2% in H,
3% in K. in photo-line-depth method" NASA catalog weight=5 (very high).
NASA catalog ID #622. ALPO/BAA weight=5.
Mersenius 1975 Jun 21 UT 21:50-22:45 Observed by McConnell
(Northern Ireland, 6" reflector) Moore? (Sussex, Enland, 15"
reflector, 5" refractor, S=F), Reading (Rushden, England, ?
14" reflector) and Foley (Kent, England, 12" reflector, S=P)
"McConnell saw an obscur. starting at 2150h which disappeared
at 2245h. Moore(?) alreted, saw no anomaly in 15 in refl. &
5-in refr. under fair conditions from 2209-2228h. Reading
reported neg. fr. 2250-2345h (after phenom.). Foley reported
color in it but also a crater to S. of it & Aris., prob. due
to seeing conditions." NASA catalog weight=5. NASA catalog
ID#1408. ALPO/BAA weight=3.
Aristarchus-Herodotus 1971 Sep 02 UTC 20:00 Observed by Ayeau
(Paris, France, 12" reflector, x100) "Brownish-red or maroon
seen on Aris. W.wall ridge to Herod. on S.wall of Herodotus"
NASA catalog weight=2. NASA catalog ID #1311.
ALPO/BAA weight=2.
Ross D 1965 Apr 14 UT 06:03-06:22 Observed by Harris (Whittier?, CA?,
USA, 19"? reflector) "Phenomenon description unavailable. Given at an
ALPO meeting" NASA catalog weight=0 (very unreliable). NASA catalog ID
#874.
Babbage 1974 Sep 29 UT 00:00-01:00 Observed by Lord (St Annes-
on-Sea, UK, 10" refractor, Wratten 25 and 44a filters, 125x,
S=II-III). Activity observed in SW floor between A & W. wall.
Details not obscured in either filter, but slightly more
darker than surroundings in the blue filter. NASA catalog
weight=2. NASA catalog ID #1395. ALPO/BAA weight=2.
On 1988 Sep 23 at 19:40-19:55 & 20:36-20:41 G. North (760mm
Coude Rrefractor, x250, Royal Grenwwich Observatory,
Herstmonceux, UK, seeing V, Transparency: Fair). 19:40-19:55
image very unsteady. All seems normal in other crtaters with
the exception of Arcimedes. Much of the rim seems indistinct
apart from a 1/4 length of the west rim. Strongly suspected
that this was due to a combination of seeing and illumination.
UT 20:02-20:06 - checked the area with a lower magnification
10" Astrographic Refractor - the crater seems more normal, so
suggesting that the theory was correct. 20:36-20:41 returned
to the 30" reflector, and the crater appeared similar to the
start of the session. This is almost certainly not a TLP, but
it would be helpful to have some images or sketches to check
this theory out. Weight=1.
On 1990 Oct 02 at 02:25-02:45UT D. Darling (Sun Praire, WI, USA using a
12.5" reflector at x159, with red and blue filters), saw a blink
effect on the west wall of Plato i.e. brighter through a blue filter
than through the red. No Colour blinks seen on Gassendi or Aristarchus.
Cameron 2006 Catalog TLP=413 and weight=4.
On 1977 May 30 at 21:04-02:13UT J.H.-Robinson noted a loss of
detail inside Gassendi, however he did not regard this as a
TLP. The effect was also seen by P.W. Foley. Cameron 2006
extension catalog TLP ID=16 and weight=0 ALPO/BAA weight=1.
On 1987 Mar 13 at UT02:00-03:00 De Groof (Belgium, 8" reflector x150,
seeing=clear) noted that the north west part of Aristarchus had a blood
red shimmering filling the whole crater. A video by Mobberley some 18
hours later, shows variation in Aristarchus. Cameron 2006 catalog ID=
301 and weight=5. ALPO/BAA weight=3.
Flashing spot at end of SV fluctuated. Herzog, Darling &
Weier confirmed spot but not fluctuation. Spot brighter in red
than blue, but Cobra Head was bright in blue. No other region was
abnormal.
Amery (Reading, England) saw blue in Aristarchus but a photograph did
not show the colour. Foley thinks this was spurious colour. Cameron
2006 extension catalog ID=27. ALPO/BAA weight=1.
Peter Foley observed a tiny yellow-brown region close
to the tip of the cape, north east of the precipitous west
edge, in the face of the north facing slope. The area
concerned was diffuse and varied in density despite
the surroundings not varying. Foley notcied no colour
elsewhere on the Moon, though Amery thought that he saw
some in Aristarchus, but Foley thinks this was spurious.
Cameron 2006 catalog extension ID=27 and weight=5.
ALPO/BAA weight=3.
Aristarchus-Cobra Head, 1967 Nov 15 UT 05:40-06:00 Observed by Cross,
Tombaugh (Las Cruces, NM, 12" reflector x800) and Harris (Tucson, AZ),
and Dunlap (Organ Pass, NM, 24" reflector with Moonblink). "Obs.
reddish color N. & E. of Aris. & more intense color nr. E.(IAU?) rim of
Cobra Head. Red color nr.C.H. confirmed by Tombaugh. Obtained 10 photos
between 0543-0549h in 3 spectral bands (blue, yellow, red, & integ.
light). No change dur. obs. per. but spot got smaller at moments of
good seeing. Isodensitometry of photos. At Corralitos 0152-0155 on 24-
in image intensifier & filter sys. photoos at 0320-0330h. Harris at
Tucson got spectra. Neither of latter 2 show anything unusual. Its
edges were nebulous even at best seeing. Size @ that of Cobra's Head."
NASA catalog weight=5 (very good). NASA catalog ID #1053.
Peter Foley (Kent, UK, 8" reflector, seeing=II) noticed that
the floor beneath the north wall, and the area over the north
wall were indistinct (almost out of focus). Despite looking
elsewhere in the crater and surrounds, no other blurring
(obscuration of detail) could be seen, indeed everywhere else
was sharp and detailed. Foley tried several eyepieces but this
made no difference. He used a crater extinction device but
found no variations in brightness. There was a slight
darkening when he used a red filter in the Moon Blink device.
The obscuration effect weakened between UT20:56 and 21:10,
was difficult to see at 21:13 and had finished by 00:15.
Patrick Moore (12" reflector, Dublin, Ireland) saw nothing
unusual when he started observing at UT 22:00. Cameron says
"Photos marked at location of phenomenon". Cameron 2006
extension catalog ID=37 and weight=5. ALPO/BAA weight=3.
On 1821 Jan 16 at UT 21:00 S. Cooke (Stonehouse, UK) An
effusion of smoke effect, which lasted about a minute, seen.
It appeared like the fluttering of a bird and passed over the
Moon before it evaporated, and must have been foreshortened,
as it seemed in effect to have passed over the whole disc,
starting from west of Menelaus, and near Plinius. ALPO/BAA
weight=1.
Lichtenberg 1951 Jan 21 18:19.2-18:38.5 UT observed by Baum (Chester,
England). Tiny red spot noticed initially and then faded. Location of
spot 31.403N 66.167W. 20cm refractor x90-x100. Seeing fair-extremely
good. NASA catalog assigns a weight of 3. NASA TLP ID No. #
542. ALPO/BAA weight=2.
Aristarchus and Herodotus UT 20:00? Observed by Areau (Paris, France,
12" reflector x100) "Maroon color covering the ridge(?) E (ast. ?) &
the ridge(?) S. of Herod. In 3 or 5 secs. Cloud disappeared after 10
min." NASA catalog weight=3 (average) NASA catalog ID #1312.
Aristarchus 1975 Oct 18 UTC 20:00? Observed by Foley (Kent, England,
12" reflector) "Deep blue-viol. spot in NW (IAU?) interior corner."
NASA catalog weight=3 (average). NASA catalog ID #1415.
On 1979 Aug 06 at 22:24-22:54 P.Madej (Hudersfield, UK, 6"
reflector. Purple Wratten 35, and Yellow Wratten 15 filters
used) Orange glow seen (at x73) on west side of crater, near the
central peak. The central peak was coloured too at x110. At
22:32 (x75) the central peak was brighter than the rest of the
area wrough the yellow filter. At 22:34UT at x73 everything
looked OK through the purple filter. The TLP was still visible
at 22:54. ALPO/BAA weight=1.
Schickard 1940 May 20 UT 20:00 Observed by Moore (England, 12?"
eflector) "Fog on floor -- milky appearance, less pronounced
than on 8/2/39 (see #456)." NASA catalog ID #465. NASA catalog
weight=4. ALPO/BAA weight=2.
Plato 1971 Jan 10 UTC 20:17-20:42 Observed by Taylor (Slough, England,
8.5" reflector) "Blink (dark gray to black), 13x3km diam. on E. wall &
floor in indentation in wall. Smaller by 2028 h. gone at 2035h.
Reappeared at 2028h & gone completely at 2042h)." NASA catalog weight=3
(average). NASA catalog ID #1282.
Mare Humboldtianum 1951 Jan 21 20:47-22:00 UT observed by Baum
(Chester, England). The appearance of some mountains on the
limb appeared to change over time, with some mistiness. ALPO/BAA
weight=2.
Madler 1940 Aug 17 UTC 06:45 (Cameron gives 07:30 but Haas says
this is wrong) Observed by Haas (New Mexico?, USA, 12"
reflector?) "Bright spot on S. rim had I=5.9 on this date but
6.8 on Sep. 16, when observ. cond. were similar (see #473)" NASA
catalog weight=4. NASA catalog ID #470. ALPO/BAA weight=3.
The area west of Helicon not visible despite the area being
fairly bright at Full Moon time. This area was a very bright
patch one night. Cameron notes: comensurability of Full Moon &
Perigee. Cameron 2006 catalog extension ID=64 and weight=3.
Seeing=7 and transparency=4. 2.4" refractor used. ALPO/BAA
weight=1.
Plato 1937 Jul 22 UT 06:20 Observed by Haas (Alliance, Ohio,
USA, 12" reflector?) "Floor distinctly greenish, but was gray on
June 23, 1937 at 0430 & col.84 (normal?)" NASA catalog weight=4
(high). NASA catalog ID #421. ALPO/BAA weight=3.
On 1982 Jun 05 at 22:00? UT, Chapman (UK, using a 12" reflector), again
using a x2 yellow filter, noticed that the central craterlet
detectabilty changed such that sometimes it was visible and sometimes
not. Foley (Kent, UK)noticed that the central craterlet could only just
be seen between June 2 to June 5 and was much less discernable than
during the previous lunation. No CED brightness measurements made. The
floor of Plato was noted to be very dark though. Cameron 2006 catalog
ID=172 and weight=4. ALPO/BAA weight=2.
Aristarchus 1965 May 15 UTC 01:40-02:15 Observed by Weresuik, McClench,
Johnson (Pt. Tobacco, MD, USA, 16" reflector x240, S=F, T=G) and Delano
(Massachusetts, USA, 12" reflector). "Crater had color(red?) detected
by Trident MB & photos were obtained. There were pulsations. Delano saw
E. wall of crater unusually bright (confirm. if at same time)." NASA
catalog weight=5 (very good). NASA catalog ID #876.
F. Graham took some photos of the Cobras Head and found a blue cloud
about 50 km in diameter and scattering light - Cameron says that
this indicates high density. Darling found the Cobra's Head obscure and
variable "clear and bright to diffused". Cameron was alerted observed
(02:40UT) variations with periods of approximately 30 seconds, and
thought that she could see a red tinge on the east rim of Aristarchus -
checks elsewhere found no other colours. Darling found that a blue
filter enhanced the effect and a red filter made it disappear. There
was a blink at 02:55UT but no blink in the Cobra's Head, which looked
fuzzy and lacking in detail. The effect was confirmed by Weier, who
also saw two dark spots in the Cobra Head in blue but not in red light.
The brightness of the Cobras Head was 6.0, Herodotus floor 5.5, NW wall
7.5, South wall, 7.0, Aristarchus south wall 9.0, west wall 9.0, south
wall 7.0, East wall 8.0, and the central peak 10.0. Observer details
were as follows: Darling (Sun Praire, WI, USA, 12.5" reflector, x159,
S=9/10). D. Weier (Sun Praire, WI, USA, 12.5" reflector, x159, S=
9/10), W. Cameron (Sedona, AZ, USA, 8" reflector x110 and x220, T=6 and
S=6) F. Graham (E.Pittsburgh, PA, USA, 7" refractor, thin haze).
Cameron 2006 catalog ID=415 and weight=5. ALPO/BAA weight=4.
Archimedes 1940 Aug 18 UT 03:25 Observed by Haas (NM?, USA, 12"
reflector?) NE outer wall had I=5.0, but was I=2.5 on June 20
(see #467) (similar colong.)" NASA catalog weight=4. NASA
catalog ID #471. ALPO/BAA weight=2.
Near Censorinus 1964 Apr 26 UT 20:00? Observed by Hopmann
(Czchoslovakia?) "Surface brightening somewhat similar to Kopal and
Rackham in #779" NASA catalog weight=3 (average). NASA catalog ID #810.
Proclus 1972 Nov 20 UT 20:20 Observed by Farrant (Cambridge, England,
8.5" reflector, x178) "Dark patch in crater. Disappeared by next nite.
The normal ring seemed thickened. On Dec. 7. the crater appeared
bright. Drawings. (prob. real LTP, nr. FM)" NASA catalog weight=3
(average). NASA catalog ID #1350.
On 1989 Oct 14 UT 19:00?, 22:00? P.W. Foley (Kent, U.K., using a 12"
reflector) noted that although the brightness of Aristarchus crater
seemed steady, that there was just too much detil to see inside the
crater than one would expect. Appeared as two craters - Cameron
commented that this was often seen by Bartlett. Several observers
apparently confirmed this TLP? Cameron 1978 catalog extension ID=379
and weight=5. ALPO/BAA weight=2.
Gassendi 1966 Dec 27 UTC 06:30-07:05 Observed by Kelsey (Riverside, CA,
USA, 6" reflector?) "Very faint blink on SW (ast. ?) floor & on another
N. of it on NW floor. Obs. considers obs. very suspect" NASA catalog
weight=1 (very poor). NASA catalog ID #1006.
Aristarchus 1973 Feb 15 UTC 17:07-19:31 Observed by Theiss (located at
51N 5.67E) "area 4-5 diameters of Aristarchus were coloured clearly
yellow-red" 120mm reflector used. Ref Hilbrecht & Kuveler (1984) Moon
and Planets Vol 30 p53-61. ALPO/BAA weight=1.
Plato 1973 Aug 13 UT 22:25-22:35 observed by Pedler (Devon, UK).
Observer noticed a slight blink on a lighter patch on the floor
just beneath the south(?) rim using Moon blink filters.
ALPO/BAA weight=1.
Kepler 1962 Jul 17 UTC 06:24,08:36 Observed by Wildey, Pohn (Mt Wilson,
CA, USA, 60" reflector+photometer) "Crater was at Vmag 2.68 at earlier
obs. which was .47 mag brighter than av. mag. at 15d & it faded to near
normal at later time to V=3.10(photom. measures), a change of 1/2 mag.
or @1.5 times in brightness" NASA catalog weight=5 (very good). NASA
catalog ID #761.
David Darling observed bright glittering on Aristarchus. This
was followed by a flare up in brightness at 00:38:05 UT in the
comet-like ray area of the crater equivalent in intensity to the
central peak. Then he saw another one on the north east rim of
Aristarchus of the same brightness. A third flare was seen at
00:49UT in south of Herodotus, on the comet-like ray. Another
two flares were observed at 00:56UT on the north west rim of
Aristarchus. Darling suspects that these effects were due
to seeing effects and Cameron agrees. However Weier suspects
that they were TLP? Brightness measurements by Weier were for
the south west rim of Herodotus 8.0, for a spot at the Cobra's
Head 9.0 and 7.5 for C.H. Cameron apparently did not see the flashes
but did suspect that the interior of Aristarchus was a bit unusual.
Don Spain did not see anything unsual at all. Cameron 2006 extended
catalog ID=380 and the observation weight=3. The ALPO/BAA weight=2.
Kepler 1962 Jul 17 UTC 06:24,08:36 Observed by Wildey, Pohn (Mt Wilson,
CA, USA, 60" reflector+photometer) "Crater was at Vmag 2.68 at earlier
obs. which was .47 mag brighter than av. mag. at 15d & it faded to near
normal at later time to V=3.10(photom. measures), a change of 1/2 mag.
or @1.5 times in brightness" NASA catalog weight=5 (very good). NASA
catalog ID #761.
On 1978 Aug 18 at UT 22:00 Coates (England?, UK, 3" refractor,
seeing=II) found that the inner bands of Aristarchus were hard to see,
this was odd because the seeing conditions were good and he usually
sees them? However he did not believe that there was any obscuration
going on. The Cameron 2006 catalog ID=37 and weight=0. The ALPO/BAA
weight=1.
Aristarchus 1967 Dec 16 UTC 22:00? Observed by Farrant (Cambridge,
England, 8" reflector) "Crater took on an unusual appearance on inner
NE (ast. ?) wall. Showed a very pale blue & the opposite wall a pale
red color seen in no other features. Lasted only 10m & survived a
change of eyepieces." Seeing=I (Antoniadi). NASA catalof weight=3
(average). NASA catalog ID #1056.
Proclus 1972 Nov 21 UT 21:30 Observed by Farrant (Cambridge, England,
8.5" reflector, x130) "Thickened bright ring remained, but the dark
patch had disappeared. (dark patch prob. real temporary phenom. as it
was seen nr. FM when contrasts are strongest, yet disappeared" NASA
catalog weight=1 (very low). NASA catalog ID #1351.
On 1983 Jan 29 at UT22:09 M.Mobberley (Sulfolk, UK, 14" reflector)
noted that Arago B had a slight tinge of violet colour, and was a lot
less (bright?) than Torricelli B's blueness. Other craters checked but
were not showing any blue colour. The Cameron 2006 catalog ID=198 and
weight=5. The ALPO/BAA weight=3.
On 1983 May 28 at UT 01:50-03:00 K. Marshall (Medellin, Columbia)
observed the whole region of Aristarchus, Herodotus and Shroter's
Valley all to have a brightness of 3 and all blue and impossible to
focus on (he had never seen it like this before). Also the interior of
Aristarchus was invisible. Brightness measurement taken and a sketch
was made. The Cameron 2006 catalog ID=222 and the weight=3. The
ALPO/BAA weight=3.
On 1983 Jan 29 at UT22:09 M. Mobberley (Suffolk, UK), found that Moltke
crater was "exceptionally bright". Other craters (apart from Arago B
Torricelli B etc) appeared normal. The Cameron 2006 catalog ID=198 and
the weight=5. The ALPO/BAA weight=2.
CCD images taken through Wratten 25 (red+near IR) and 87
(near IR only) filters. Between 00:02 and 00:25UT there
was some slight evidence that a fade may have taken place
however careful analysis by Cook casts doubt on this.
Probably it was more related to a degradation in image
quality due to seeing than a true TLP. An ALPO/BAA
weight of 1 has been assigned.
On 1978 Apr 23 at UT20:35 (Rawlings, UK, finderscope, x50)
observed a bright flash (~0.3 sec duration) near to Copernicus (20W,
9N) with rays to the south east whilst he looked through a finder
scope. Moore, who studied the drawing, suggests that the area of the
flash was near Copernicus. However Cameron says this cannot be the case
if the flash was in darkness as mentioned in the BAA Lunar Section
circular. She comments that it might have been a meteor? The Cameron
2005 catalog ID=28 and weight=1. The ALPO/BAA weight=1.
Proclus 1955 Nov 01 UTC 02:50-03:05 Observed by Bartlett (Baltimore,
MD, USA, 3.5" reflector x100, S=6, T=5) "Proc. D normally 5 deg bright
was vis. tonite only in blue light, whereas usually is vis. in
integrated light. However at col. 110.5 deg it was a dark spot (see #
816) C.p. tonite was normal 5 deg bright but in Oct. lun. was dark".
NASA catalog weight=4 (good). NASA catalog ID #625. Note Proclus D does
not refer to the crater Proclus D as defined by the IAU, but probably
to a spot inside the crater that Bartlett designated D!
Littrow 1915 Jan 31 UTC 22:00? Observer: unknown (England?) "6 to 7
spots arranged like a gamma first seen on this nite. (Kuiper atlas.
Rect. 14-c shows spots in form of a 7 or a cap. gamma backwards, but
not l.c. gamma)". NASA catalog weight=0 (almost certainly not a TLP).
NASA catalog ID #349. ALPO/BAA weight=1.
Mare Crisium 1962 Jul 18 UTC 09:54 Observed by Wildey & Pohn (Mt
Wilson, CA, USA, 60" reflector + Photometer) "Photometric meas. showed
change in brightness of the area of over a mag. during the nite.
Recorded at Vmag=3.56 first, & a few min(?) later at 4.62. It was .95
mag. brighter (@2.5x) than av. for that age & then returned to
normal." NASA catalog weight=5 (very high). NASA catalog ID #762.
On 1983 Jan 30 at UT 23:45 Chapman (England, UK) observed that
Censorinus was low in brightness. The Cameron 2006 catalog ID=199 and
the weight=4. The ALPO/BAA weight=2.
On 1983 Jan 30 at UT 23:45 P.W. Foley (Kent, UK, 12" reflector)
measured that the brightness of the region around Toricelli B was 2.3
(high) and there was a slight blue colour. The Cameron 2006 catalog ID=
199 and the weight=4. The ALPO/BAA weight=2.
1824 Dec 08 UTC 00:00? Observed by Gruithuisen (Munich, Germany)
"Bright fleck in SE part of crater" NASA catalog weight=4 (good). NASA
catalog ID #104. ALPO/BAA weight=2.
Aristarchus 1947 Nov 30 UTC 00:00? Observed by Favarger
(France?) "3 bright points on inner w. slopes." NASA catalog
weight=2. NASA catalog ID #499. ALPO/BAA weight=1.
On 1986 Feb 26 at 05:00UT a photograph was obtained by T. Kohman of
Pittsburgh, PA, USA (3.5" Questar and 0.25 sec exposure) that had two
bands above the limb, resembling ejecta plumes. Cameron suspects that
these are probably flare from the eyepiece optics. Cameron 2006
extension catalog ID=282 and weight=0. ALPO/BAA weight=1.
Plato 1870 Feb 18 UTC 00:00? Observed by Gledhill (Halifax, England,
9" refractor) "Illum. of another group of craters different from group
in Aug. & Sep. obs. (date is F18 if phase is similar to Ap 1870)
NASA catalog weight=2 (low). NASA catalog ID #164.
Mare Crisium 1962 Jul 19 UTC 07:30 Observed by Wildey & Pohn (Mt
Wilson, CA, USA, 60" reflector + Photometer) "Photometric meas. showed
change in brightness from Vmag=3.46 to V=3.07, where av. mag. for that
age=3.26, or a brightening of .58 mag." NASA catalog weight=5 (very
high). NASA catalog ID #763.
Plato 1938 Jun 15 UTC 08:00 Observed by Haas? (New Mexico?, 12?"
reflector) "NW. end of floor had intensity I=2.0, but on 7/15/38, I=
3.7, conditions similar." NASA catalog weight=4 (high). NASA catalog ID
#439.
Plato 1971 Dec 05 UT21:00-21:10 D.B.Taylor (Dundee, UK, 10"
refractor, conditions poor and turbulent). Observer suspected
colour orange colour near bright spot on north wall. Observation
ceased due to being clouded out. ALPO/BAA weight=1.
On 1965 May 18 at UT 03:00-03:30 Cragg (Mt Wilson?, CA, USA, 6"
refractor?) observed a TLP (no feature nor description given in
the Cameron 1978 catalog) on the Moon. The Cameron 1978 catalog ID=877
and weight=4. The ALPO/BAA weight=1.
Mare Crisium 1962 Jul 19 UTC 09:48 Observed by Wildey & Pohn (Mt
Wilson, CA, USA, 60" reflector + Photometer) "Photometric meas. showed
change in brightness from Vmag=3.46 to V=3.07, where av. mag. for that
age=3.26, or a brightening of .58 mag." NASA catalog weight=5 (very
high). NASA catalog ID #763.
On 1990 Jan 13 at UT 22:15-23:05 J. Pedler (Bristol, UK, seeing=III and
transparency=excellent, no spurious colour) detected a blue region on
the north of Aristarchus, varying in sharpness/diffuseness. The crater
rim in this region could not be descerned. Eleswhere the crater rim was
normal as too were other features. When a Moon blink device was used,
no colour blink was detected, however through the blue filter the
suspected area was bright and the crater rim indistinct. Whereas
through the red filter the area looked perfectly normal. At 22:30UT the
effect had vanished and everywhere was normal. The Cameron 2006 catalog
ID=388 and the weight=5. The ALPO/BAA weight=3.
Messier & A 1972 Aug 27 UT 08:51-09:21 Observed by Hansen (LeMoore, CA,
USA, 6" reflector, x200) "Perculiar thread of shadow connecting the 2
craters. Sun's elev. @ 6deg. Drawing (possibly a high peak on E.wall of
A casting a shadow?)" NASA catalog weight=1 (very low). NASA catalog ID
#1342.
Area of darkness overlapping NW rim. It was visible through
this area of obscuration. Sketch. Cameron 2006 extended catalog
ID=376 and Cameron weight=3. ALPO/BAA weight=2.
On 1944 Mar 12 at UT 23:00 H.P. Wilkins (Kent, UK, 8.5" reflector)
observed that Plato appeared incomplete - the central crater had it's
north wall obscured. cameron comments that maybe this was due to the
low altitude of the Moon? The Cameron 1978 catalog ID=491 and
the weight=4. The ALPO/BAA weight=2.
Darling, alerted by Keyes saw Aris >> brighter obj on moon (as
it normally is) Comet ray & N rim of Herod. >> could see no
detail - Aris. except two bands, moon was pale yellow (low alt.)
with halo around it. Nothing unusual elsewhere. Cameron 2006
catalog extension ID #384 and weight=0. ALPO/BAA weight=1,
just in case there is some merit in this report?
Darling, alerted by Keyes saw Aris >> brighter obj on moon (as
it normally is) Comet ray & N rim of Herod. >> could see no
detail - Aris. except two bands, moon was pale yellow (low alt.)
with halo around it. Nothing unusual elsewhere. Cameron 2006
catalog extension ID #384 and weight=0. ALPO/BAA weight=1,
just in case there is some merit in this report?