In 1825 Apr 22 at UT0030 Argelander (England) and Gobel (Koburg,
Germany) saw the following in the vicinity of Aristarchus: "Points of
light in center. In low magn. appeared as a small star, somewhat
scintillating. At higher magn. became larger & diffused. (date 1824 ?
Ref. refers to a ref. dated 1824 -- If so age would have been 23rd"
Cameron 1978 catalog ID=107 and weight=5. ALPO/BAA weight=3.
On 1989 Apr 10 at UT01:30-02:00 D. Darling (Sun Praire, WI, USA, 12.5"
reflector, x64, seeing excellent) observed that Earthshine was not as
good as the previous night "~1/4 north shore looked unusually bright compared to other similar
features. BAA Lunar Section observation. ALPO/BAA weight=0.
In 1855 Jun 20 at UT 21:00 T.W. Webb (England) observed a trace of
twilight (Cameron says also seen by Gruithuisen, Henry and others at
times). Webb gives a low weight to his own observation, saying "for
want of better optical means". The Cameron 1978 catalog ID=130 and
weight=1. The ALPO/BAA weight=1.
Observations made by Challis of Cambridge, and N. Pogson of Hartwell,
both of the UK. Before the occultation, Saturn's rings were
distorted. A dark border was seen around the Moon. Just before
re-appearance a sea green colour was noticed. Cameron 2006
catalog extension ID=5 and weight=2-5. ALPO/BAA weight=1.
On 1975 Mar 18 at UT17:30 M.Kidger (Winterbourne Down, Bristol, UK,
60mm refractor, x36, very good conditions with a very sharp image and
the sky was almost perfectly clear apart from a very few small clouds).
In Mare Crisium it was observed that only a ray of Proclus could be
seen to cross the floor - normally there are at least four craters
visible inside mare Crisium on good nights and at least one being
visible under bad conditions. So despite it being very clear and the
image quality being good, the observer found it odd that no craters
were visible on the floor of mare Crisium. This is a BAA Lunar Section
report. The ALPO/BAA weight=2.
On 1969 Jul 20 at UT09:30 Whelan (Wellington, New Zealand, 10"
and 6" reflectors. Other observers involved were: Mackrell
(New Zealand, 6" reflector) and Spellman (4" reflector)
observed Maskelyne crater undergoing a whitish glowing
brightening. Shadowy filling of whole crater. Apollo 11 watch.
The Cameron 1978 catalog ID=1179 and the weight=3. The
ALPO/BAA weight=2.
Posidonius 1969 May 23 UT 11:35-12:45 Observed by Osawa (Hyogo-ken,
Japan, 8" reflector x286) "W.(ast. ?) rim of crater was yellow in
integ. light, brownish to deep yellow in filter, with no blink.
Hue seen thruout obs. (true ground color? or seeing ? or true LTP?)
thin clouds. (Apollo 10 watch)". NASA catalog weight=3 average. NASA
catalog ID #1141.
On 1970 Apr 13 at UT09:00-09:03 Whelan (Walters, New Zealand, using a
10" reflector) observed Menelaus to have a deep red cloud that seemed
to surge upward from outside the southern edge of the crater wall and
disperse around the outside edge, spreading out on reaching Mare
Serentiatis. All clear again though by 09:03UT, (Apollo 13 watch).
Drawing supplied. Cameron 978 catalog ID=1246 and weight=3. ALPO/BAA
weight=3.
On 1988 Jul 21 at UT 01:00? an Unknown observer (name and geographical
position not given in the cameron catalog) detected a darkening on the
floor of Proclus crater - this was also seen by other observers - some
of whom were making observations independently. The Cameron 2006
catalog ID=330 and the weight=1.
On 1941 Jan 06 at UT04:00 Barcroft (Madera, CA, USA, 6"
reflector) saw an anomalous shadow in Arzachel crater. Cameron
1978 catalog ID=482 and weight=3. ALPO/BAA weight=3.
Flash seen in Ptolemaeus (A?) - possibly a meteor. Cameron 1978
catalog weight=1. Cameron 1978 catalog ID=863.
Proclus 1970 Jul 11 UT 20:35-20:45 Observed by Dean, Jamieson,
Sparks (Ruislip, ------, England, 6" relector x156) "Dean saw
something in Proclus, alerted Jamieson who saw nothing unusual
at 2043h, but tho't Secchi was quite bright. At 2035 Sparks saw
Proc. fluctuate. Red & blue filters showed some reduction in
brightness. E. edge showed darkening, but not as dark as in
shadows. 10 min later, returned to normal. (Sparks confirmed
Dean)." NASA catalog weight=5. NASA catalog ID #1267. ALPO/BAA
weight=3.
1970 Jul 11 UT 20:35-20:45 During a TLP alert for Proclus, Jamieson
saw nothing unusual, but found instead that Secchi was quite bright.
NASA catalog weight=5 (very good). NASA catalog ID #1267. ALPO/BAA
weight=1.
On 1988 Jul 22 at UT 02:15-04:00 P.W. Foley (Kent, UK, 11"
reflector) made a sketch of a dark area of the (East) floor of
Proclus that revealed a large anomalous dark region - there
should be no shade here when the sun is at an altitude of above
50 deg!. BAA lunar section archives reveal similar dark shadings
- however on this night it was a different shaped dark area. The
appearance was confirmed by several observers. Foley reported
that the region affected stretched from Proclus to Theophilus.
The TLP was seen in the USA too by D, Darling as early as
01:31UT and by others on his TLP network - brightness
measurements of the "c.p." were 3.5 and the remainder of the
floor was 5.5. However the observers did not all agree on the
same position for this dark area. The Cameron 2006 catalog ID=
331 and the weight=2. The ALPO/BAA weight=2.
On 1994 Apr 19 at UT 00:00 P. Kursewicz (Epping, NH, USA) observed a
dark patch surrounding Picard crater. The ALPO/BAA weight=1.
Herschel 2005 Aug 13 UT 00:07-00:29 Observed by Daniel del Valle
Hernandez (Aguadilla, PR, 8"SCT, x225, S=7, T=4) "Interesting
configuration of shadows with umbra and penumbra. Effect seemed to
reduce over time." An ALPO report. The ALPO/BAA report=2.
2009 Apr 13 UT 18:55-20:00 J. Adee (UK) and later A. Jarwaski (UK) saw
Mons Pico to be incredibly bright. Adee reported naked eye visibility,
though this does not show up in later CCD images. Jarwaski saw another
nearby Mt very bright as well. This has been assigned an ALPO/BAA
weight of 1, though I suspect it is just normal for Pico to get quite
bright at sunrise.
Patches of brightness seen in the area between craters Aratus and Joy.
Seemed to the observer to be perhaps slightly brighter than one would
expect - the observer thought that their observation only barely
constitured a TLP but decided to send the report in anyway. This
has been assigned an ALPO/BAA weight of 1.
Plato 1918 May 20 UT 18:00? Observed by Markov (Russia) "Brightness in
shadow of the light sector & 1 spot" NASA catalog weight=3 (average).
NASA catalog ID #369. ALPO/BAA weight=2.
On 1983 Sep 15 at UT 05:20-05:24 Louderback (South Bend, WA, USA,
8" reflector and 3" refractor, seeing poor) found that the west wall of
Eimmart was unusually bright (8.3) and apparently it was almost as
bright as the "WEBS(of Aris?) at its brightest". The crater was
apparently normal again on Sep 20 and 26. The Cameron 2006 catalog ID=
228 and the weight=3. The ALPO/BAA weight=2.
Alpetragius 1889 Sep 4 UTC 02:30-03:00 Observed by E.E. Barnard (Lick
Observatory, CA, USA, 36" refractor x150, x700) "Shadow of CP diffused
& pale. Entire inside of crater seemed filled with haze or smoke. Shad.
of E.wall was black & sharp. CP & floor seen thru haze. No other
craters showed this appear. (date&time rep't=Sep3, 1830L.T)." N.B. Sun
above the horizon at 02:30 - sun sets at Lick at 02:37! NASA catalog
weight=4 (good). NASA catalog ID #264. ALPO/BAA weight=3.
Plato 1952 Apr 04 UT 02:45 Observer: T.A.Cragg (Mt Wilson, CA,
USA, 31cm reflector, x420, seeing fairly good, transparency
fair) - Obscur. of floor (seen a few hours after Wilkins & Moore
obs. confirm.?) " - indeed Haas in Stolling Astronomer 2002 Vol
45, p29 states that Cragg was amazed to see Plato's floor with
absolutely nothing on it! He was able to draw details elsewhere
in other features. NASA catalog weight=5. NASA TLP ID No. #551.
ALPO/BAA weight=2.
Eratosthenes 1954 May 11 UTC 20:00 Observer: Catermole (UK, 3"
refractor) "Central peak invis. tho surroundings were sharp".
NASA catalog ID #563, NASA weight=4 (high). ALPO/BAA weight=2.
Plato 1982 Nov 24 UT 22:00-23:30. K.P. MArshall (Columbia, 12"
reflector, x100, x200, x480, seeing III, reasonably steady, but
some turbulence. No craters could be seen on Plato's floor,
despite observing conditions being acceptable. The floor was
evenly toned, and the walls were sharply defined. By 23:10 there
was a suspicion that the central craterlet was there, but he
could not quite make it out, even with averted vision. ALPO/BAA
weight=1.
On 1988 Jul 23 at UT03:07 D. Darling (Sun Praire, WI, USA, 12"
reflector, x150, seeing = 6/10) discovered that the dark area on the
floor of Proclus, seen earlier by UK observers was still present, but
less so (?) and the shape changed. When viewed through a green filter
it was less distinct. "Change with two other filters. Polarizer gave a
circular shape with a knot on SE side & W58 in White." The measured
brightness of Proclus was 9 on three sides and 8.5 on its west rim. The
floor was 5.5, but the dark spot was 4. Alphonsus, Bullialdus,
Copernicus, Eratosthenes, Plato and Ptolemeaus were all normal. The
Cameron 2006 catalog ID=332 and the weight=1. The ALPO/BAA weight=1.
Tycho observed by G. North (UK) seen to have greyness
inside parts of its shadow. Confirmed by J.D. and M.C. Cook
Possibly light scattered of illuminated wall into shadow
or highland starting to break through the shadow.
ALPO/BAA weight=2.
On 1972 Apr 22 at UT 17:30-18:15 Iwanoff (60mm refractor, 1000mm focal
length,transparency 3 out of 5 and seeing 3 out of 5, located at 53deg
5' N and 8deg 45'E) At Censorinus a diffuse bright area, greater than
the crater itself, yellow to white in colour. Published in Hilbrecht
and Kuveler, Moon and Planets, 30 (1984) p53-61. ALPO/BAA weight=1.
Dawes 1973 Feb 12-23 UT 22:30-01:20 Observed by Porter (Narragansett?,
RI, USA, 6" reflector x96, S=9, T=0-4, alt=55-75deg?) "Brightening of
some of permanent pts. monitored while others stayed steady & normal
brightness. (Other nites' obs. suggest that he saw end of dimming event
& return to normal). Distinct fluctuations." NASA catalog weight=4
(good). NASA catalog ID #1361.
On 1981 Sep 08 at UT 21:28-21:34 P. Madej (Huddersfield, UK, seeing
III-IV and trasnaparency good) observed a light orange transparent
cloud extending from the north east inner corner across over the floor
of Plato. Camero comments that this report was confirmed by 3 othr
observers. The shape of this clud varied. The Cameron 2006 catalog ID=
153 and weight=4. The ALPO/BAA weight=3.
On 1988 Jul 24 D. Darling (Sun Praire, WI, USA, 12" reflector,
x150, S=7/10, T=3) observed the following in Proclus: "At 0213
the previously observed gray area was 1/3 of July 22 and V
shaped and fanned out across the floor. Could see hint of knot
seen before. Craters named in 7/23/88 (#319) were all normal
this time too". Is it possible that this report refers to the
crater "Gray" rather than "Proclus" as the column field suggests
in the Cameron catalog? The Cameron 1978 catalog ID=333 and
weight=5. The ALPO/BAA catalog weight=2.
On 1988 Jul 25 at UT03:15 H. Davis (Madison, WI, USA) stated that
Proclus was normal apart from a "slightly darker area in SW (Ast) SE
(IUE) corner." The Cameron 2006 catalog ID=334 and the weight=0. The
ALPO/BAA weight=1.
Posidonius 1952 Jul 03 UT 19:13-19:27 Observed by Dzaplashvili,
Ksanforalif, Negrelishvili (Georgia, Soviet Union, 13" reflector,
polarimeter, S=clear) "Making polariz. mess. of it. Aristotles.
Eudoxus. & Aristillus. only Pos. gave higher rdgs. & oscillated while
others gave repeatedly same results. 40 other times Pos. was normal.
Never had seen such behavior Table gives deflections. Obs. repeated 2X
Obs. from 1843-1947h." NASA catalog weight=5. NASA catalog
ID #552. ALPO/BAA weight=5.
Proclus 1990 Mar 09 UT 00:12-00:13 Observed by Marie Cook (Frimley, UK,
3.5" Questar telescope) observed a "long plume of light" the brightness
was the same as the wall region. It went from the southern rim about
half of the way across to the centre in the "northerly". The plume
feature was not seen at higher magnifications. Change in brightness
also noted. The Cameron 2006 catalog ID=394 and the weight=1. The
ALPO/BAA weight=1.
Aristarchus 2014 Dec 04 UT 03:14-03:15 M.P. Homan (Grand Rapids,
MI, USA, Nikon P520 x48) 11 digital images taken. These show
possible blue colour in the Aristarchus area e.g. on the ray
between Herodotus an Aristarchus. ALPO/BAA weight=1.
Proclus 1975 May 24 UTC 22:00 Observed by P.W. Foley (Kent, UK)
"Brightenings(?). Seen by more than one obs. ? Foley recorded a ray
projection on photos, but not seen vis. by others." NASA catalog
weight=3? (average?). NASA catalog ID #1405.
On 1994 Apr 23 at UT02:41 D. Fryback (Madison, WI, USA) observed a
starlike flash in Alphonsus crater. The ALPO/BAA weight=2.
Aristarchus 1972 Apr 25 UTC 19:15-19:20 Observer Ventzke (located at
48.67N, 12.00E) - diffuse brightening on inner N. wall, reddish. 60mm
refractor used. Ref. p53-61 of Hilrecht & Kuveler Moon & Planets vol
30, 1984.
On 1975 Mar 24 at UT22:28-22:19 P.W. Foley (Kent, UK) observed
vivid blue/green in Aristarchus. The ALPO/BAA weight=3.
On 1975 Mar 25 at UT19:59-20:02 P.W. Foley (Wilmington, Dartford, Kent,
UK, 30cm Newtownian) observed blueness along the inner southern wall of
Plato. This is a BAA report. The ALPO/BAA weight=1.
On 1980 Jan 01 at UT 00:10-00:21 A.C.Cook (Frimley, UK, 12" reflector,
Wratten 29 and 44A filters, Seeing II-III and transparency poor-
moderate) suspected that the floor was slightly brighter in blue light
than in red. No such effect was seen earlier at 23:54-23:57. Cameron
2006 catalog ID=81 and weight=3. ALPO/BAA weight=1.
On 1985 Jul 01 at 02:00-03:00 UT K. Marshall (Medellin, Columbia)
observed thatTorricelli B was very bright - verified using a C.E.D. No
colour was seen though. the Cameron 2006 catalog ID=279 and the weight=
4. The ALPO/BAA weight=3.
Aristarchus 2015 Mar 03 UT 23:58 Brendan Shaw (UK) saw a flash
on the NW rim of Aristarchus on his computer screen - the camera
was working in the near IR. Seeing was not very good at the
time. Unfortunately this flash occurred in between imaging
sessions. No other flashes seen, despite looking. The observer
considerd the possibility that it might have been a cosmic ray
detection, but cannot say for sure. The ALPO/BAA TLP weight=1.
Grimaldi 1839 Jun 24 UT 22:00? Observed by Gruithuisen (Munich,
Germany) "Smokey, grey mist". NASA catalog weight=4 (high). NASA
catalog ID #117. ALPO/BAA weight=3.
On 1983 Oct 19 at UT 21:09-23:40 G. North (Bexhill on Sea, UK, seeing
III) found Aristarchus crater to be slightly blue in colour, and very
bright, despite the fact that no colour was seen elsewhere on the Moon.
At 22:08UT Foley (Kent, UK, 12"reflector, seeing II) obtained an
extremely high CED brightness measurement and also picked up a "blue-
violet" cast, especially inside the west rim, furthermore he saw noe
detail in it. The Cameron 2006 catalog ID=230 and the weight=5. The
ALPO/BAA weight=3.
In 1959 Nov (Day unknown) at UT 21:15-22:15 Bradford (South Shields,
UK, 15" reflector, x480) observed in Plato: "Cocealed by a dusky cloud.
Appeared to be stream or smoke. No change in 1h. Following week no
trace. (SR Nov 5, SS Nov 18. Says he obs. at time of unmanned landing,
but there were none in Nov.) Similar to #722". The Cameron 1978 catalog
ID=726 and weight=2. The ALPOS/BAA weight=2.
On 1994 Apr 24 at UT 03:50 R. Manske (Waunakee, WI, USA) found that the
Cobra Head appeared to have an obscuration on the top eastern half. The
ALPO/BAA weight=2.
On 1989 Jun 17 at UT 06:33-07:16 R. Manske (Sun Prairie, WI, USA, 1"
refractor) sketched a nebulous spot near to Herodotus crater that at
06:49 (when he tried some filters out) was visile through red, blue and
yellow filters, though it was slightly fainter through the red filter.
The Cameron 2006 catalog ID=366 and the weight=3. The ALPO/BAA weight=2.
1982 Mar 08 Daniell UT 22:49-22:57 P.Madej (Hudersfield, UK) -
A colour and brightness anomaly was seen a TLP alert was put
out. Cameron 2006 catalog extension weight=165 and weight=3.
ALPO/BAA weight=2.
On 1971 Apr 09 at UT 22:30-23:05 N. Brown (Huntington, York, UK, 37cm
reflector, x252) noted that the bands in Aristarchus were noticeably
more prominent in blue light than in red. This has no entry in the 1978
Cameron catalog. It has an ALPO/BAA weight of 2.
On 1977 Dec 24 at UT 19:30-23:20 P.Foley (Kent, UK, 12" reflector).
CED Brightness changes were noted in the central peak and the west
wall. The following features remained relatively steady in comparison:
Proclus, Mon Pico north peak, Mons Piton and Censorinus. Cameron 2006
catalog ID=19 and weight=4. ALPO/BAA weight=3.
On 1983 Oct 20 at UT23:40 P. Moore (Selsey, UK) observed that
Aristarchus was brighter than normal (as measured with a CED) and much
more so that Censorinus, Menelaus, and Proclus craters (in turn).
Cameron comments that Moore is a very experienced observer. The
Cameron 2006 catalog ID=231 and the weight=4. The ALPO/BAA weight=2.
Aristarchus 1966 Aug 01 UT 00:50-01:20 Observers: Moore,
Moseley, Corvan (N.Ireland, 10" refractor) - "Eng. moon blink
detected color (red?) on SW wall. Tel. link got other vis.
confirm, & also another moon blink."NASA catalog ID=#960,
weight=5. ALPO/BAA weight=4.
On 1977 Mar 04 at UT 20:55-21:18 JH Robinson (Teighmouth, Devon, UK,
26cm reflector, x200, Wratten 25 and 44a filters, seeing steady,
transparency varies from fair to very poor and cloud eventually halted
observations). Copernicus was very indistinct. All other features
examined were normal. This is a BAA Lunar Section observation. ALPO/BAA
weight=2.
On 1977 Mar 04 at UT 20:55-21:18 JH Robinson (Teighmouth, Devon, UK,
26cm reflector, x200, Wratten 25 and 44a filters, seeing steady,
transparency varies from fair to very poor and cloud eventually halted
observations). The floor of Fracastorius is significantly brighter in a
red filter than in a blue filter. This is a BAA Lunar Section
observation. ALPO/BAA weight=1.
On 1975 Mar 27 at UT22:30-01:45 P.W. Foley (Wilmington, Dartford, Kent,
UK, 30cm Newtownian) observed blueness along the inner southern wall of
Plato, though the centre of the activity was offset on one side. This
is a BAA report. The ALPO/BAA weight=1.
Plato 1944 Sep 03 UTC 03:40 - A.W. Mount (Fort Worth, TX, USA,
Conditions good, seeing 6/10) saw a small white bright point of
light appear suddenly close to the W. wall of Plato glowed
briefly as by far the most conspicuous object in the lunar field
of view and vanished quickly after approximately 2 sec. It was
star-like in appearance and was stationary on the Moon's surface
- about magnitude 6? Angular diameter of the flash was <= 1".
Observing conditions good enough to see the central craterlet in
Plato. 20cm reflector used. Ref. DJALPO Vol 45, p28 Spring 2003.
On 1963 Nov 01/12 at UT 22:30-03:00 P. Moore (UK, 12" reflector)
observed something unusual in Aristarchus/Copernicus/Kepler -
the Cameron catalog is not very clear which. The Cameron 1978
catalog ID=779 and weight=5. ALPO/BAA weight=1.
On 1963 Nov 01 at UT 00:20-00:35 Kopal and Rackham (Pic du
Midi, France, 24" reflector) observed in Kepler an
enhancement in red light at 672.5nm and 545.0nm. Luminescence
~86% +/-3% of background. According to the Cameron catalog,
Moore(12" reflector, UK) noted something unsual between 22:30
and 03:00 but this might apply to Kepler, Coperncius, and/or
Aristarchus and that was seen 23:30-03:00? - the catalog is not
very clear. The Cameron 1978 catalog ID=779 and weight=5. The
ALPO/BAA weight=4.
On 1963 Nov 01/12 at UT 22:30-03:00 P. Moore (UK, 12" reflector)
observed something unusual in Aristarchus/Copernicus/Kepler -
the Cameron catalog is not very clear which. The Cameron 1978
catalog ID=779 and weight=5. ALPO/BAA weight=1.
On 1980 Sep 24 at UT 21:13-23:50 P.Moore (Selsey, UK) at 22:45 saw loss
of detail in the north west wall, especially in red light, but also
slightly in blue light too. By 22:48 there was activity on the crater
floor i.e. the four bright spots were visible in white light but not in
red. In blue the central spot was seen and there were dark radial
streaks to the south wall and south east. At 22:50 there was a loss of
detail. Other craters were normal. At 23:08 the floor was dark in red,
but some details were visible in blue. the effect had finished by
23:35. At21:34 J-H Robinson found Plato to be normal and no blinks,
though floor clearer in red than in blue, however the floor detail had
gone by 21:57. Blair suspected a dusty patch in north of Plato,
especially in red light. at 21:57 and it started spreading at 21:13,
then east at 21:15 and then north. Though it faded at 21:25 but was
back again at 21:35, and Moon blink colour filters still gave a
reaction at 21:50 - the TLP remained strong until 23:50UT. The Cameron
2006 catalog ID=110 and weight=5. The ALPO/BAA weight=4.
On 1963 Nov 02 at UT 00:00? Scarfe (Cambridge, UK) observed a spectral
line dpeth anomaly? The cameron 1978 catalog ID=780 and weight=5. The
ALPO/BAA weight=4.
On 1980 Sep 24 at UT21:34 J-J. Robinson (Teighmouth, Devon, UK, 10"
reflector, x200, seeing=III) found, using a Moon Blink device, that
Fracastorius blinked on the northern side in the red filter. Cameron
2006 catalog ID=110 and weight=5. ALPO/BAA weight=3.
On 1963 Nov 01 at UT 00:20-00:35 Kopal and Rackham (Pic du
Midi, France, 24" reflector) observed in Kepler an
enhancement in red light at 672.5nm and 545.0nm. Luminescence
~86% +/-3% of background. The Cameron catalog says that Moore
saw something between 23:30 and 03:00, but it is not clear
what exactly, or whether it was Copernicus, Kepler, or
Aristarchus? The Cameron 1978 catalog ID=779 and weight=5.
The ALPO/BAA weight=5.
On 1975 Mar 27 at UT22:30-01:45 P.W. Foley (Wilmington, Dartford, Kent,
UK, 30cm Newtownian) observed blueness along the inner southern wall of
Plato. This is a BAA report. The ALPO/BAA weight=1.
On 1975 Mar 28 at UT22:30-23:42 P.W. Foley (Kent, UK) observed
orange/red in Aristarchus. The ALPO/BAA weight=1.
On 1989 Jun 20 UT 0628-06:58 R. Manske (Sun Praire, WI, USA, 1"
refractor) discovered blue on the north west inner wall and red on the
south east outer wall. At 05:39 he could see the blue but not the red.
No colour was detected on Tycho, but he thought that he could detect a
pinkish colouration over the whole Moon. The Cameron 2006 catalog ID=
367 and the weight=1. The ALPO/BAA weight=1.
Aristarchus 1983 Oct 22 UT 22:00 G.W. Amery, (Reading, UK, Seeing
III-IV) found Aristrachus so bright that the CED was unable to
give a reading. The crater's interior was also diffuse in
appearance. The Cameron 2008 catalog ID=232 and weight=4. The
ALPO/BAA weight=3.
Aristarchus 1969 May 03 UTC 07:00? Observed by Smith, Gallivan
(Corralitos Observatory, Organ Pass, NM, 24" reflector, photos) "Bluing
around crater. Visible on monitor, but immeasurable in photos" NASA
catalog weight=5. NASA catalog ID #1125
On 1980 Sep 25 atUT 20:20-22:14 P. Moore (Selsey, UK, 15"? reflector,
seeing=III) found that Mons Pico was bright and had a reddish glow to
its south west. The Cameron 2006 catalog ID=111 and weight=0. The
ALPO/BAA weight=1.
On 1980 Sep 25 at UT20:20-22:14 P. Moore (Selsey, UK) noticed that the
central craterlet was more visible in red than in blue. There was also
a streak on the floor that was "shifted to S & W." The floor was dark
and Mons Pico was bright. Peters found Plato's floor (and central
craterlet) to be dark, and darker in blue than in red, however he was
suffereing from spurious colour at his observing site. Cameron 2006
catalog ID=111 and weight=0. ALPO/BAA weight=1.
On 1980 Sep 25 at UT 20:20-22:14 Peters (Kent,UK, x240 and x120,
seeing=III) observed Proclus to have an orange tint, however there was
a lot of spurious colour in the area. The Cameron 1978 catalog ID=111
and weight=0. The ALPO/BAA weight=1.
2004 Aug 31 UT 22:30-22:35 C. Brook (Plymouth, UK) looked at Gassendi
and noted a slight chestnut brown colouration in the dark area on the
crater floor to the north of the central mountain leading to Gassendi
A. It lasted for about two minutes during 22-30 hrs UT to about 22-35
hrs UT (observer unable be more precise). Used 60mm OG x120. Seeing
quite steady trans good. Checked Gassendi again at 23hrs UT to 23-05.
No sign of colour. Also area mentioned earlier seemed lighter now. No
colour on Aristarchus. Plato floor dark -no sign of craterlets. Seeing
good with just slight tremor. Trans good 60mm OG x120 used. The
ALPO/BAA weight=2.
On 1956 Dec 19 at UT 00:00? an unknown observer apparently saw a TLP
somewhere on the Moon. Cameron gives the reference for this as an
unnamed AGU meeting. The Cameron 1978 catalog ID=659 and weight=0. The
ALPO/BAA weight=1.
On 1977 Oct 28 UT 19:25 V.M. Chernov (Soviet Union) observed that
Copernicus was brighter than normal i.e. brighter than Kepler but less
bright than Aristarchus. In January and February 1977 both Copernicus
and Kepler were of the same brightness. The ALPO/BAA weight=1.
Plato 1869 Aug 23/24? UTC 23:00-01:00? Observed by Gledhill? (Halifax,
England, 9" refractor) Group I of craterlets (as designated by several
famous obs. before) exhibited notable illumination, accompanied by a
single light on a distinct spot. (if obs. similar to Ap 1870 obs. then
date =Au 23-24). NASA catalog weight=2 (low). NASA catalog ID #162.
On 1975 Dec ?? at 19:00UT P.W.Foley (Kent, UK), and possibly P. Moore?
(Selsey, UK) - unusual events were reported which might have been due
to minor structral changes. Albedo=76% (=7.6?). Cameron 1978 catalog
ID=1425 and weight=3. ALPO/BAA weight=1.
Aristarchus 1978 Nov 16 UTC 19:40-19:45. Observer: Mark Kidger (UK, 6"
refractor x40, x133, x200, seeing poor-boiling) - saw the north wall of
Aristarchus to be an electric blue. No spurious colour was seen in
other craters (despite the conditions). No other observers were able to
confirm this due to the weather. ALPO/BAA weight=2.
On 1988 Jul 31 at UT 07:09-08:10 D. Darling (Sun Prairie, WI, USA,
12.5"reflector, seeing=7/10 and T=3) did not detect the dark region on
the south east floor of Proclus (the TLP from a few days earlier), but
did see 2 "linear mounds". The Cameron 2006 catalog ID=335 and the
weight=0. The ALPO/BAA weight=1.
In 1962 Sep 16 at UT08:05 Spirad (Victoria, B.C., Canada, 48"
reflector) obtained a spectrum with a UV emission, in H & K lines
compared to Jupiter and Mars. II-AO plates, 6A/mm dispersion.
Fraunhofer lines much shallower than planetary ones. (whole
Moon). The Cameron 1978 catalog ID=770 and weight=5. The ALPO/BAA
weight=4.
On 2013 Dec 19 N. Longshaw (Oldham, UK, Seeing III, TAK FS 78
APO Refracror) observed a diffuse area east of the central
peak of Geminus, to be sepia/brownish tint. The ALPO/BAA
weight=3.
On 2011 Jan 21 at 22:30UT N.Longshaw (UK, 4" Achromatic
refractor, x128 & x160, Seeing III, transparancy average)
suspected on the eastern edge of Geminus, on the border of the
crater filled shadow and the eastern illuminated rim, a
brownish, almost speia hue. This extended for a short distance
from the floor shadow into the illuminated rim width and spanned
from the north to the south of the crater. For a comparison,
Cleomedes was checked but nothing unusual was noticed in its
shadow. The observer notes that Elger also saw a warm brown or
sepia tone. ALPO/BAA weight=1.
On 1959 Nov 17 at Ut 22:00 an unnamed observer saw a light in Plato.
The Cameron 1978 catalog ID=725 and weight=1. The ALPO/BAA weight=1.
On 1989 Jun 21 at UT07:03-07:27, R. Manske (Sun Praire, WI, USA, 1
"refractor) found the colours pink and blue on Aristarchus, like the
previous day, however this time there was also an orange tinge on the
"back"" (North?) rim of Sinus Iridum and the same too on mare Crisium,
all the way past Plato, in the direction of Cassini. This colour was
not seen at higher magnifications. The Cameron 2006 catalog ID=368 and
the weight=0. The ALPO/BAA weight=1.
On 1989 Jun 21 at UT 07:03-07:27 R. Manske (Sun Praire, WI, USA, 1"
refractor) saw orange on Cassini all the way past Mare Imbrium edge,
Plato etc - maybe atm. At high power (8mm eyepiece) & no filter. Saw no
hint of color (due to smearing at high power?)." The Cameron 2006
catalog ID=368 and the weight=0. The ALPO/BAA weight=1.
On 1989 Jun 21 at UT 07:03-07:27 R. Manske (Sun Praire, WI, USA, 1"
refractor) saw orange on Mare Imbrium edge all the way past Plato upto
Cassini - maybe atm. At high power (8mm eyepiece) & no filter. Saw no
hint of color (due to smearing at high power?)." The Cameron 2006
catalog ID=368 and the weight=0. The ALPO/BAA weight=1.
On 1989 Jun 21 at UT 07:03-07:27 R. Manske (Sun Praire, WI, USA, 1"
refractor) saw orange on Plato all the way past Mare Imbrium edge upto
Cassini - maybe atm. At high power (8mm eyepiece) & no filter. Saw no
hint of color (due to smearing at high power?)." The Cameron 2006
catalog ID=368 and the weight=0. The ALPO/BAA weight=1.
On 1989 Jun 21 at UT 07:03-07:27 R. Manske (Sun Praire, WI, USA, 1"
refractor) saw orange on the north? wall of Sinus Iridum and over a
large part of the north of Mare Imbrium - "maybe atm. At high power
(8mm eyepiece) & no filter. Saw no hint of color (due to smearing at
high power?)." The Cameron 2006 catalog ID=368 and the weight=0. The
ALPO/BAA weight=1.
On 1963 Nov 04 at UT 00:00? Scarfe (Cambridge, UK) observed a spectral
line dpeth anomaly? The cameron 1978 catalog ID=781 and weight=5. The
ALPO/BAA weight=4.
Plato 1971 Apr 13 UT 03:30-04:30 W. Cameron (Greenbelt, MD,
USA, 36" reflector & 6" grating) "spectrum obtained showed an
extra absorption line at 4908+/-4A & possibly another. No other
of 6 spectra of other features on the plate show it. No other of
20 spectra of Plato, including another on the same nite show it.
Further reduction & analysis remain to be done." NASA weight=5.
NASA catalog ID=#1291. ALPO/BAA weight=5.
Proclus 2001 Nov 04 UTC 07:00-07:43 "Robin Gray of Winneucca, Nevada,
U.S.A. reported a contrast effect and brightening in the crater
Proclus. Using a 15.2 cm refractor he conducted a Moon blink search
with Wratten 25a and 38a blue filters. His report goes as follows:
Moon Blink carried out. In Red 25 Proclus looked nearly the
same as in white light. Through the Blue 38a filter, however, only the
brilliant lit south east wall was clearly visible. The northeast wall
was very dim with this filter. With no filters the NE and SE wall were
brilliantly lit, the SE wall was almost as bright as Aristarchus. A
thread like strip along the NW wall, possibly the rim of the crater,
was also brilliantly illuminated. The interior of the crater was a
featureless stygian black with the exception of a brilliant (intensity
9) thread of light that ran parallel to the illuminated east wall.
Whether this was an L.T.P. or an optical effect of atmospheric
turbulence is unknown, did not see anything similar elsewhere along the
terminator though" ALPO/BAA weight=3.
On 1992 May 20 at UT 11:15 D. Weier (Sun Prairie, WI, USA,
naked eye and 7x50 binouculars, sky conditions excellent)
noted that Aristarchus and, an area, were very bright to the
eye. In binoculars the feature was quite sharp and distinct,
"> anything else on the Moon". When observing please try using
your eyes alone and then a small aperture and low
magnification. The Cameron 2006 catalog ID=447
and the weight=2. The ALPO/BAA weight=1.
On 1980 Aug 29 at UT07:32 D. Loudernack (South Bend, WA, USA, 8"
reflector, x140) found the south wall to have a broad dark band (only
visible in red light) at its base that covered nearly all of the
southern half of the crater. The brightness reading was 8.4 (in blue
light) and 4 (in red light). Cameron 2006 catalog ID=107 and weight=3.
ALPO/BAA weight=3.
In 1937 Apr 29 at UT 09:30 Firsoff (Glastonbury, UK, 6" reflector and
filters) observed a slight greenish colour (Cameron says colour of
ground? no TLP?). The Cameron 1978 catalog ID=420 and Weight=4. The
ALPO/BAA weight=3.
Plato 1877 Jul 29 UTC 02:00?-02:30 Observed by Gray (England?) "S. of
crater a bright streak that disappeared at 0230" NASA catalog weight=3
(average). NASA catalog ID #196.
On 1958 Nov 01 at UT 00:00 a TLP was seen on the Moon (location and
observer not given). The Reference for this is Palm, 1967. The Cameron
1978 catalog ID=702 and weight=0. The ALPO/BAA weight=1.
1999 Jan 07 UT 01:57 C. Brook (Plymouth UK, 65mm refractor,
x125, seeing good) found this mountain unusually dull. In
contrast, Mons Pico, Montes Teneriffe, Montes Spitzenberg,
were all normal. ALPO/BAA weight=1.
Theophilus 1965 Jul 18 UTC 08:52-09:01 Observed by Cross, Ariola
(Whittler, CA, USA, 19" reflector, x450, S=4, T=3) "Red spots;
ruby red within a pink area on c.p." NASA catalog weight=5. NASA
catalog ID #885. ALPO/BAA weight=4.
On 1980 Aug 31 at UT 08:00? D. Louderback (South bend, WA,
USA, 8" refletor x140) found the north wall to be very bright
in red light (this is not normal as it is usually bright in
blue - according to Cameron). The brightness was 9.7 (red) and
9 (blue no filter)compared to Eimmart's 8.7. Louderback
thought that they observed an orange-yellow tinge. Cameron
2006 catalog ID=108 and weight=3. ALPO/BAA weoght=2.
Triensecker Rille 1915 Jul 03 UTC 00:00? Observed by Markov (Russia)
"Several spots changed their shapes compared with Gordeenko's depiction
on 5/23/12 see #339; which cannot be explained by light variations."
NASA catalog weight=3. NASA catalog ID #356.
Alphonsus 1964 Oct 27 UTC 05:18-06:10 Observed by Hall, Johnson,
Weresulk (Pt. Tobacco, MD, USA, 16" reflector x400, S=5-7). "Red spot.
Pink glow detected with Trident MB & seen visually too." NASA catalog
weight=5. NASA catalog ID #863.
On 1982 Aug 11 at UT03:30-04:15 Mobberley (Suffolk, UK) obtained a
photograph and made a sketch that revealed a needle-like shadow from
the west wall to near by the central craterlet - the latter was quite
clearly visible. What were not visible were the other four craterlets.
The Cameron 2006 catalog ID=183 and weight=4. The ALPO/BAA weight=2.
Alphonsus 1958 Nov 03 UT 02:30-03:30 Observed by Kozyrev,
Ezerski (Pulkova Observatory, Crimea, Ukraine, 50" reflector,
23A/mm spectrograph) UT03:00-03:30 "C.p. redder than rest;
emiss. spect. in 4756A, 4100, 3950A (C3), 5165, 5130A (Swann
bands) 3 spect. over 3.5 h. Image of c.p. weakened in viol.
light on spect. Noted visual decrease in brightness & reddish
glow. Decrease in bright, & unnusual white color(at 0300h-
0330h). Sudden decrease in vis. bright. Spect. started --
gave norm. Spect. (0330-0340h), conditions almost identical to
Alter's on Oct. 26, 1956. Nothing seen on Nov. 2-3" NASA catalog
weight=5. NASA catalog ID #703. ALPO/BAA weight=5.
On 1981 Sep 20 at UT 08:00-09:40 D. Darling (Sun Praire, WI, USA,
12.5" reflector, x342, seeing=excellent) detected the small crater on
its western rim But not on the eastern floor. This was odd because both
are equal in size, furthermore smaller craters could be seen and the
Moon was at a high altitude above the horizon, so seeing not a problem.
Cameron 2006 catalog ID=154 and weight=3. ALPO/BAA weight=1.
Aristarchus 1978 Oct 23 UT 06:30-06:34 V.A. Sage (Bristol, UK,
10.25" reflector, x250, Wratten 44a and 25, seeing II) noted
that Aristarchus was surrounded by a dark area in the blue
filter. They did not regard this as a TLP at the time. However
because Aristarchus is surrounded by blue material in real life,
this should have been brighter? For this reason, despite the
observer regarding this as a negative TLP, an ALPO/BAA weight=1
has been applied.
On 1981 Dec 19 at UT 01:00-05:00 E.V. Arsyukhin (Moscow, Russia, 3"
reflector) observed that Plato was consdierably brighter than
Aristarchus by several times. The image quality was very clear. The
Cameron 2006 catalog ID=161 and weight=3. The ALPO/BAA weight=2.
On 1977 Nov 03 at 22:13UT P.W. Foley (Kent, UK, 11" reflector, x285)saw
some flickering in Gassendi (Clouds on limb - according to Csmeron?).
The Cameron 1978 catalog ID=18 and weight=1. The ALPO/BAA weight=1.
On 1891 Sep 25 at UT 20:00 Pickering, based at Arequipa, Peru, and
using a 12" reflector, saw in Schroter's Valley and the vicinity
"Varitions in vapor column. Time estimated from given colongitude)."
Cameron 1978 catalog ID=273 and weight=1. ALPO/BAA weight=1.
On 1882 Apr 11 at UT 21:00 Williams (England, 6.5" reflector) observed
Plato at sunset (date Cameron gives is calculated from #229) and saw a
curious phosphorescent glimmer in the crater where he had seen a
luminous milky appearance before. at sunrise. The cameron 1978 catalog
ID=230 and weight=3. The ALPO/BAA weight=3.
On 1979 Sep 15 at UT01:53 P.Madej (Newsome, Huddersfield, UK,
158mm reflector, x72 and x110, seeing II, transparency fair?)
saw a small circular area of grey or white in the dark south end
of Copernicus.The area showed up better through a Wratten 15
yellow filter, but was not seen at all through a purple Wratten
35 filter. P.W. Foley (Kent, UK), confirmed this but thinks that
it is normal. Cameron 2006 catalog ID=68 and weight=1. ALPO/BAA
weight=1.
On 1963 Nov 10/11 at UT 23:35-00:32 Kopal (Pic du Midi, France, 24"
refractor) observed a TLP in Copernicus. Cameron says that the date
maybe a misprint, should be 11/1/63? - sunset terminator at 25W and
Copernicus in dark. The Cameron 1978 catalog ID=782 and weight=0. The
ALPO/BAA weight=1.
On 1963 Nov 10/11 at UT 23:35-00:32 Kopal (Pic du Midi, France, 24"
refractor) observed a TLP in Kepler. Cameron says that the date maybe a
misprint, should be 11/1/63? - sunset terminator at 25W and Copernicus
in dark. The Cameron 1978 catalog ID=782 and weight=0. The ALPO/BAA
weight=1.
On 1989 Jun 28 at UT 08:39-09:00 D. Darling (Sun Praire, WI, USA,
3" refractor, x36) discovered that at this time Mons La Hire was the
brightest feature on the Moon. LaPrice was also very bright. Cameron
quotes that Darling recorded that LaHire had a brightness of 7.0 and
LaPlace=7.5. Darling did not think that this was a TLP. The Cameron
2006 catalog ID=369 and weight=0. The ALPO/BAA weight=1.
On 1989 Jun 28 at UT 08:39--9:00 D. Darling (Sunpraire, WI, USA, 3"
refractor, x36) noted that promontorium LaPlace was very bright.
LaHire brigtness was 7.0 and LaPlace was 7.5. Darling suspects
that this was not a TLP because "as did not have mother-of-perl
appearance as seen on Piton at times"The Cameron 1978 catalog ID=369
and the weight=0. The ALPO/BAA weight=1.
Grimaldi 1971 Jun 18 UTC 02:12-02:31 Observed by Jorgensen
(Denmark, 36" refractor, 60, 200x, seeing good) "Dark reddish
spot in SW part of crater. At 60x. Became clearer at 200x &
seen in midwest also. At 0331h phenom. clearest in west, while
S. region had faded. Air turb. & dawn ended obs. at 0331h.
Seen best in yellow filter, well in red, invis. in green &
blue." NASA catalog weight=3. NASA catalog ID #1298. ALPO/BAA
weight=3.
Closest parts of the Moon at Saturn appearing from
occultation were dull and hazy. Was this an effect of
the lunar atmosphere or a high haze and halo around the Moon?
Cameron's 2006 catalog extension gives this an ID No. of 3
and a weight of 1. The ALPO/BAA catalog weight is also 1.
On 1971 Feb 22 at UT 02:47-16:38 an Apollo ALSEP experiment
detected an initial gas event in Fra Mauro. Sharp 4 second
rise time, 1 hour delay time with 10 times increase in
intensity. Molecular weight was between 14 and 20. Could have
been Ne, Fl, O or H2O - the latter was thought best by
Freeman. Duration of event 13 hours. The Cameron 1978 catalog
ID-1284 and weight=5. The ALPO/BAA weight=5.
On 1986 May 05 G. North (Herstmonceux, Sussex, UK, 30" reflector) found
that the crater (floor?) Plato was featureless, even during the better
moments of atmospheric seeing conditions. A spectra was taken but
nothing unusual was seen. The Cameron 2006 catalog ID=284 and the
weight=1. The ALPO/BAA weight=1.
Reiner 1986 Jun 04 UT 09:15-09:33 Observed by Darling (Sun Praire, WI,
USA, 12.5" Newtonian x79, x40, x35, Seeing 6, sky clear and steady -
Moon 9deg above horizon). David Darling was out on the morning of 4
June observing the planet Mars. While studying Mars the crescent Moon
rose giving me a splendid view of the earthshine portion of the disk.
As the Moon rose higher into the sky he decided to turn the telescope
onto it to the earthshine region of the Moon. He made it a practice
to examine this region of the Moon to monitor for craters that appear
to glow under this light. While observing he became aware of a black
spot located in the sunlit portion of the Moon about 60 miles west of
the sunset terminator. At first he thought the black spot was a shadow
being cast by a large mountain or crater. When looking at his lunar
charts he could not locate any feature that would account for it. As he
continued to study the black spot he realized that it appeared darker
than any shadows on the Moon. It was at 4 June 1986 4:15 A.M. CDT or
9:15 U.T. when he first sighted the phenomena and it was at 4:25 A.M.
CDT or 9:25 U.T. that he realized he was seeing a lunar transient
phenomena event. It was at this time that he could start to see silvery
filaments or streaks in the black patch. Between 9:23 and 9:25 U.T. he
watched the black patch disappear. When the black spot had disappeared
he found that the location of the black spot was over the crater
Reiner. he estimated that during the L.T.P. event that area covered by
the black cloud was approximately 40 to 50 square miles. He also had
examined other formations on the Moon during this event and none were
exhibiting the same phenomena witnessed over the crater Reiner.