On 1941 Mar 31 UT 03:15 Barcroft (Madera, CA, USA, 6" reflector)
observed Aristarchus in Earthshine - Haas thought it must have been
unusually bright. The Cameron 1978 catalog ID=486 and weight=3. The
ALPO/BAA weight=2.
On 1959 Sep 5 UT 19:13-19:45 Rule (London, UK, 3" refractor,
x130, seeing = excellent) observed in Aristarchus a star like
point with intermittent flares ups in brightness, reaching about
8-9 in magnitude.The cameron 1978 catalog ID=718 and weight=1.
The ALPO/BAA weight=1.
South Pole 1997 Apr 10 UTC 20:45 Observed by Livesey (Scotland, 65x33,
Seeing Antioniadi II, Transparency : Thick Haze Alto Stratus, windy)
"Two bright spots seen - one on southern tip of crescent and 2nd way
over on the dark side of the S. limb. Earthshine seen, but no
features". Probably these are just peaks making it into sunlight -
though one of them was of considerable distance from the tip of
the cresecent (was this the peak of eternal light?). So therefore
the ALPO/BAA weight=1 i.e. it is worth checking out - however we
may not be able to tell for sure until the libration matches
up too.
On 1788 Dec 02 at UT 04:35 Schroter (Lillienthal, Germany) noted that
Aristarchus was extraordinarily bright, like a star. The Cameron 1978
catalog ID=51 and the weight=4. The ALPO/BAA weight=3.
On 1983 Jun 14 at UT22:10-23:15 R. Mosely (Coventry, UK, 3"
refractor, x38, seeing IV-V) observed a limb brightening near
Olbers, though the cdrater itself was not visible in Earthshine.
By 22:30 the glow seemed to spread a little vurther to the
north. The ALPO/BAA weight=1.
On 1983 Jun 14 at UT22:10-23:15 R. Mosely (Coventry, UK, 3"
refractor, x38, seeing IV-V) observed a limb brightening from
the vicinity of Pythagoras to the north pole cusp. The ALPO/BAA weight=1.
1977 Apr 23 UT19:30-22:45 Foley (10.75" Newtonian and 4.5"
refractor, seeing II, transpaency excellent) saw som every large
variations in the brightness of Aristarchus whereas other
features in Earthshine remained stable. Aristarchus was seen to
be blue/violet. ALPO/BAA weight=2.
On 1990 Aug 26 at UT 02:30-03:30 W. Cameron (Sedona, AZ, USA, 8"
reflector, x110 and x220) observed that Proclus and Piccolomini craters
both had a pink colour inside them. At a higher magnification of x220
Piccolomini was still pink and it was stronger on the central peak's
wesern side. The cameron 2006 catalog ID=407 and the weight=3. The
ALPO/BAA weight=1 as the Moon was not above the horizon at the date and UT given.
On 1990 Aug 26 at UT 02:30-03:30 W. Cameron (Sedona, AZ, USA, 8"
reflector, x110, x220, seeing=good) observed that the north wall of
Proclus crater was the brightest part of the crater, indeed very
bright. Proclus and Picolomini had pink colours inside them. CED
brightness measurements were as follows: "Proc. at 100x 4.0, 4.0; at
200x 3.4, 3.4; Theop. 3.5, 3.9; 3.5; Herc. 2.5, 2.75; 3.5; Atlas 2.8,
2.5, 3.0; Posidonius 3.0." The Cameron 2006 catalog ID=407 and the
weight=3. The BAA/ALPO weight=1 as the Moon was not above
the horizon at the UT given.
On 1990 Aug 26 at UT 02:30-03:30 W. Cameron (Sedona, AZ, USA, 8"
reflector, x110 and x220, seeing=good) observed that the west wall of
Theophilus crater was red (on terminator). However Posidonius was also
on the terminator and no colour was seen elsewhere along the
terminator, however Proclus and Piccolomini had pink interiors. At a
higher power of x220 a prismatic effect was seen on the terminator in
Theophilus and opther craters - "even on W rim of a crater due W of
Theoph.". CED measurements of Theophilus... 3.5, 3.9, 3.5. The Cameron
2006 catalog ID=407 and the weight=3. The ALPO/BAA weight=1
because the Moon was below the horizon at this time.
Near Desseilgny in Mare Serenitatis (29E, 25N) 1971 Feb 01 UT 19:40-
20:15 Observed by Persson (Hvidore, Denmark, 2.5" refractor, x100, S=G)
"Obscur. (blurred & dark) starting between Plinius & Menelaus moving
towards Posidonius. Normal after 2 min. A little crater (white spot)
periodically disappeared for several secs regularly every few min.
There was haze above onlt this spot. A tiny crater SE of it was invis.
till 2015h then became clear & steady. Color was reddish-brown.
Drawing. (Apollo 14 watch)." NASA catalog weight=2 (low). NASA catalog
ID 1293.
On 2012 May 26 UT21:21 J. Moeller (Syracuse, NY, USA, using a
Konica Minolta DIMAGE Z5 digital camera, f/7.1, 1/250 sec
exposure, ISO-50, 69mm focal length, digital zoom x3) captured
a hand held image of the Moon in daylight. On the SW limb of
the dark side of the Moon a bright spot can be seen. This has
a brightness comparable to that of Mare Serenitatis. There is
also a fainter dark blurred marking further inside the dark side.
ALPO/BAA weight=1.
On 1972 Dec 11 at UT22:28 Cernan, on board Apollo 17, saw a flash on
the east rille in Mare Orientale (88W, 20S) as he orbited the Moon. The
Cameron 1978 catalog weight=1354 and the weight=3. ALPO/BAA weight=2.
Agrippa 1966 Nov 19/20 UT 23:58-00:14 Observed by Bartlett
(Baltimore, MD, USA, 5" reflector x283, S=4, T=5) "Faint
bluish tinge seen at base of NW wall beneath landslip" NASA
catalog weight=4. NASA catalog ID #995. ALOPO/BAA weight=3.
Cassini E 2002 Dec 11 UT 16:30-18:46 Observed by Knott (Liverpool,
England, 216mm Newtonian, x216, red and blue filters used) seeing III,
transparency good) "Observations carried out of the area extending from
the Alpine Valley to the Crater Cassini. At 17:12 a pin point bright
flash was seen NW of the rim of the crater E in white light. A 2nd pin
point flash was also seen at 18:18, this time thru a blue filter. The
2nd flash was also seen on the NW rim of the crater E. The observer
does not think this was a TLP as the seeing was III, but the flash was
so bright as to be startling. Other peaks within the Alps were bright
but were much less so in red and ble filters, where the rim of the
crater E. NW edge was very bright in all filters, including white
light. Incoming cloud prevented further observation." BAA Lunar Section
report.
On 1997 Apr 14 at UT 20:00-22:00 F. Paolo (Legnano, Italy)
photographed a lunar flare on the lunar limb.
Alphonsus 1965 May 08 UTC 05:47-05:59 Observed by McLaria
(Huntsville, Alabama, USA, 16" reflector, S=9) "Light flashes
on c.p. color detected by Trident M.B." NASA catalog weight=5.
NASA catalog ID #875. ALPO/BAA weight=5.
On 1982 Dec 22 at UT 19:20-20:10 J-H Robinson (Teighmouth, Devon, UK,
10" reflector, x150, seeing=IV-V) could not distinguish between Messier
and Messier A. The tail of these features was very bright - two
telescopes were used. Moore (Selsey, UK, 12" reflector, seeing=III)
could see Messier A but found Messier itself obscured - just see the
west wall and thought that the comet like tail was unusual as it did
not appear divided. The Cameron 2006 catalog ID=192 and weight=5. The
ALPO/BAA weight=3.
Limb North? 1881 Jul 04 UT 00:30 Observed by Several observers
(Lebanon, CT, USA, naked eye, alt @ 10 deg) "2 pyramidal protruberances
on upper limb (dark?). Points were darker than rest of moon's face then
slowly faded away (atm ? moon very low)" NASA catalog weight=? NASA
catalog ID #223.
Alphonsus and limb 1967 Apr 17 UTC 21:30 Observed by Wise (England,
6.5" reflector, x90) "3 dark patches (Alphonsus) prominent. Suspected
red patch (blink ?). (indep. confirm. of Cross 1h later?)." NASA
catalog weight=3 (average). NASA catalog ID #1024.
Plato 1967 Apr 17 UTC 21:30 Observed by Wise (England, 6.5" reflector,
x90) "Suspected a blink, (red?)" NASA catalog weight=2 (low). NASA
catalog ID #1025.
On 1967 Apr 17 UT 21:30 Observed by Wise (England, 6.5" reflector, x90)
saw a brilliant object nr. E(ast. ?) limb (West Lim IAU?) for 15m.
Check on star maps neg. (indep. confirm. of Cross 1h later?)." NASA
catalog weight=3 (average). NASA catalog ID #1024.
Daniell 1983 Jun 18 UT 22:06-22:25) P.Madej (Huddersfield, UK,
77mm refractor, x83,x166, seeing II-III, transparency fair).
Noted on the inside W eall a faint red rose like glow (with a
diameter? about it). The red glow varied in brightness with a
period of about 2 minutes. It looked somewhat brighter at x166.
The glow was still visible when the observation ended at 22:15
ALPO/BAA weight=1.
Vallis Alpes 1983 Jun 18 UT 22:01-22:23 P.Madej (Huddersfield, UK,
77mm refractor, x83,x250, seeing II-III, transparency fair).
After studying the whole length of this valley, the observer saw
a change in "albedo" and a small change in colour of the valley
floor near to the Plato end. This colour was not seen in a
yellow Wratten 15 filter but was noted in a purple Wratten 35
filter, and was strong in a red filter. Also the crater
Trouvelot was not seen at x250 with a x2 Barlow.Wratten 25.
ALPO/BAA weight=1.
On 1988 Feb 25 at UT20:00? P.W. Foley (Kent, UK, 12" reflector) found
that Aristarchus was very bright (especially in the UV end of the
spectrum) despite other features not being seen in Earthshine. The
cameron 2006 catalog ID=318 and the weight=1. The ALPO/BAA weight=1.
On 1889 Jun 06 at 22:00 UT Lade of France (8" refractor) saw two
extremely bright spots (Plato B & D). Cameron 1978 catalog ID=262 and
weight=2. ALPO/BAA weight=1.
On 1993 Jun 27 at UT 19:55-20:21 and 20:24-21:04) D. Kane (England? UK,
4" refractor) discovered that the central peak of Alphonsus crater was
very bright. The central peak was also brighter in red than in blue
light. However G. North (Herstmonceux, UK, 6" reflector, x135, seeing
V-III) and M. Cook (Frimley, UK, 4" reflcrctor, x10, seeing=III)
observed that the central peak was normal, however they did not use
filters. The Cameron 2006 catalog ID= and weight=3. The ALPO/BAA
weight=2.
Proclus 1972 Aug 17 UT 20:05-21:10 Observed by Haiduk (13.25E, 52.5N,
60mm refractor, S=1, T=3) "Well visible bright area at the NE wall, end
of event uncertain for seeing became poor" Hilbrecht & Kuveler Moon &
Planets (1984) Vol 30, pp53-61.
Plato 1886 Sep 06 UT 19:00? Observed by Valderama (Italy?) "Streak of
light on dark floor of crater in shadow. (sunlight between peaks on
walls?)" NASA catalog weight=0 (most unlikely to be a TLP). NASA
catalog ID #251. ALPO/BAA catalog weight=1.
Plato 1967 Apr 18 UT 03:10-04:00 Observed by Kelsey
(Riverside, CA, USA, 8" reflector x300, S=8, T-4-5). "Streak
on floor showed slight enhancement in red filter comp. to
blue. Later, a 2nd streak formed. Probably the sun shining
thru a valley in the rim. Red enhancement permanent? (Wise
suspected a blink here 6h earlier)." NASA catalog weight=3.
NASA catalog ID #1027. ALPO/BAA weight=1.
In 1824 Jul 04 at UT23:00? Emmett (England, UK) observed a star-like
light on the rim (in the dark). The Cameron 1978 catalog ID=100 and the
weight=3. The ALPO/BAA weight=2.
On 1867 Apr 12 at UT 19:30-21:00 Elger (Liverpool? UK, 4" aperture
telescope) observed Aristarchus in Earthshine "grew fainter 7th mag.
star; much fainter in last 15 min. & barely perceptible at 9PM. Had
seen something similar on former occ." The Cameron 1978 catalog ID=152
and the weight=4. The ALPO/BAA weight=2.
Linne 1868 Jul 28 UT 20:00? Observed by Tacchini (Palermo, Italy)
"Shadow not so marked-had a light penumbra, indicated a feeble cavity.
Other craters had a black shad. On 29th appeared completely white.
Crater normal on 26th. (letter to Madler Sep. 16, 1868)." NASA
catalog weight=4 (high). NASA catalog ID #159.
On 1989 Feb 15 at UT 03:15-03:30 M. Dixon (Palenque Ruins, Mexico, 7x35
binouculars) observed a point of light that was very bright in or near
Mare Humorum. It was visible for 5 minutes then vanished. The Cameron
2006 catalog ID=353 and weight=1. The ALPO/BAA weight=1.
On 1952 Feb 05 at UT 05:10 J.Carle (USA, 8" reflector, x180)
observed the following in Plato: "A shadow in a depression, or
a cloud, or an optical illus.? Oval dark area nr. center,
disappeared in 15m clear & prominenet at first then vanished.
4 of 14 spots nr. center continuously seen while remaining
ones seen only momentarily. (seeing?) Drawing includes sketch
on March 7. His sketch shows 18 spots, 13 same as here". The
Cameron 1978 catalog ID=549 and the weight=2. The ALPO/BAA
weight=2.
Alphonsus 1966 Nov 22 UT 03:17-03:40 Observed by kelsey (Riverside, CA,
USA, 8" relector x300) "Seen first with (Eng.) moon blink, red filter
but not in the green. Not seen at 03:42h" NASA catalog weight=4 (high).
NASA catalog ID #998.
On 1990 Aug 30 at UT02:11-02:36 D. Darling (Sun Praire, WI, USA, 3"
refractor, x90, seeing conditions: "at,. boiling") noted a coloured
area on the west wall of Copernicus that was unusual in appearance -
however other craters along the terminator had a similar effect. There
was also a "dazzling bright spot on the E. rim and he witnessed 6
flashes from the lighted part of Copernicus over a very short time
interval. Cameron comments that the colour may well have been dur to
chromatic aberation because a refractor was used. The Cameron 2006
catalog ID=408 and the weight=0. The ALPO/BAA weight=1.
On 1990 Aug 30 at UT 02:11-02:36 D. Darling (Sun Praire, WI, USA, 3"
reflector, x90, atmosphereic conditions: boiling) found "N rim of Proc.
bright interior uniform gray". The Cameron 2006 catalog report is
slight unclear as the description for thnis 1990 Aug 30 TLP also
includes Copernicus and Censorinus in the list of TLP craters. So one
description which might refere to Copernicus, could possibly have been
meant for Proclus, namely: "Dazling bright spot on E rim. Rotated
eyepiece but no change. N rim of Proc.......". The Cameron 2006 catalog
ID=408 and weight=0. The ALPO/BAA weight=1.
Copernicus 1932 Mar 16 UTC 18:45-19:30 Observed by Barker (Cheshunt,
England, 12.5" reflector, x310) "Term. from Cop. to lat.20S was misty &
hard to define. Rest was usual sharp definition. Mistiness cleared at
1930. Cleaned his eyepiece & prism but it persisted." NASA catalog
weight=3 (average). NASA catalog ID #402.
On 1989 Feb 16 at UT02:46-03:01 D. Darling (Sun Praire, WI, USA, 3"
refractor, x140, seeing=6/10) found that the brightness of the rim of
Proclus was 9.0 (normal?). The Cameron 2006 catalog ID=354 and the
weight=0. The ALPO/BAA weight=1.
On 1882 May 27 ay UT 20:00 an unknown observer (10" reflector) saw a
bright luminous ray near west (astronomical?) wall on floor of Plato.
Cameron suggests sunlight between peaks?. The Cameron 1978 catalog ID=
233 and weight=0. The ALPO/BAA weight=1.
Ross D 1966 Nov 23 UT 04:50-05:02 Observed by Cross (Whittier,
CA, USA, 19" reflector, x250 & 2390, S=4-5 (sometimes 6), T=4,
excellent contrast) Activity level 5, eastern third of Ross D's
circumference possibly partly obscured. ALPO/BAA weight=1.
On 1987 Oct 03 at UT 01:0?0-02:00 R. Manske (Brooklyn, WI, USA, 8"
reflector, x226) observed sunlight glinting of the walls in spectacular
display of colours. White (even gold) was seen at the centre, and blue
on the top most part of the rim. The white (or gold) band was thin in
comparison to other bands. The observer suspects that this effect was
terrestrial atmosphere related. Cameron 2006 catalog ID=307 and weight=
0. ALPO/BAA weight=1.
On 1964 Jan 24 at 20:00? Scarfe (UK) obtained spactra showing
luminescence? The Cameron 1978 catalog ID=796 and weight=5. The
ALPO/BAA weight=3.
Near Hyginus 1959 Sep 13 UT Observed by Bradford (S.Shields,
England, 15"? reflector), Feist, Lovas (Hungary), Moore, Wilkins
(Kent, England, 7" refractor, x500) "Obliterated by a hovering
cloud (Feist disagrees). Budapest obs. saw a cloud at 21:02:30,
lasting 5 m. Moore & Wilkins saw burst of light & dust cloud at
21:02:35 (confirm.) Drawing by Lovas." NASA catalog weight=5 and
catalog ID #722. The ALPO/BAA weight=1.
Littrow, 1959 Sep 13 UT Observed by Bradford (S.Shields,
England, 15"? reflector), Feist, Lovas (Hungary), Moore, Wilkins (Kent,
England, 7" refractor, x500) "Obliterated by a hovering cloud (Feist
disagrees). Budapest obs. saw a cloud at 21:02:30, lasting 5 m. Moore &
Wilkins saw burst of light & dust cloud at 21:02:35 (confirm.) Drawing
by Lovas." NASA catalog weight=1 and catalog ID #722. The ALPO/BAA
weight=1.
Plato 1906 Mar 06 UT 22:00? Observed by Fauth (Germany? 6" refractor)
"Color (brightness?) greatly enhanced as it was to be on the next
nite" NASA catalog weight=3 (average). NASA catalog ID #324.
On 1990 Jan 08 at UT00:55 D. Weier (Sun Praire, WI, USA, 12.5"
reflector, x159) observed an "anomalous black bar across Aris. Nearly
digonal to terminator." The nearby crater Prinz had curious shadow
patterns, perhaps related to the rising sun projecting shadows from the
eastern rim and "reflected down"? "At 0224 W wall had a break in it & a
diffuse glow where it should not be. Manske thinks it was Earthshine
effect. At 0305 Weier saw Manske's bar - with diffused light and
flicker like an aurora - like a gas with electric charge. At 0325 saw a
strange glow in Aris. but may be due to atm. though thought it to be a
LTP. Darling had never seen such effects before (flickering implies a
medium in it)." The Cameron 2006 catalog ID=387 and the weight=3. The
ALPO/BAA weight=3.
On 1980 Jul 23 at UT22:00 G.W. Amery (Reading, UK, 8" reflector, x144
and x207, seeing=III-V and transparency=fair) found that the interior
shadow was a light grey. BAA TLP coordinator (Foley) suggests that this
was light reflecting from the illuminated walls? Cameron 2006 catalog
TLP ID=102 and weight=1. ALPO/BAA weight=2.
Moon 1967 Apr 21 UTC 02:30-09:30 Observed by Dunlap et al (Corralitos
Observatory, Organ PAss, NM, USA, 24" reflector + moonblink) "UV excess
relative to red & visual images. Greatest (30%) at subsolar pt. nr.
limb, grading down to 0% at term. Seen Apr 22 also with a gradient of
10% at term. to 25-30% at subsolar pt. (137 deg long). Filters well
balanced. Neg. (normal) on Apr. 20 & 23rd. Bandpass 3700-4900A on image
enhancement & filter equip. (coincided with Lyrid meteor shower. They
had seen this phenom. many times since. NASA catalog weight=5 (very
high). NASA catalog ID #1039.
On 1977 Apr 29 at UT21:40-23:20 an unknown UK observer reported a TLP
in Gassendi crater. The following are reports by observers attempting
to confirm activity: J.W. Napper (Didcot, UK, 30cm reflector, x287,
Wratten 25 and 44a, conditions clear 5+) received a telephone alert
call at 22:00 but the sky was cloudy until 22:30. An initial look
revealed nothing unusual, then at 22:54 he observed a colour blink just
inside the north wall, appearing bright in red and normal in blue or
white light. No loss of detail seen and the effect lasted only 2
minutes. A sketch was made. However the observer stresses that the very
bad seeing casts some doubt on this observation. L. Fitton observed
using a 8.5" reflector, with Moon blink device at x200, seeing was I-
II. All areas negative, including Gassindi from 21:40-21:55 and again
22;00-22:25 and finally 22:50-23:30 negative. Mike Brown (Huntington,
York, UK, 30cm reflector, x220 and x350, seeing 3-4/5, and transparency
5/5) - observed from 22:00-23:25UT no colour seen, nor obsecuration,
all filters negative, despite seeing a lot of fine setail inside this
crater.
Gassendi 1976 Oct 04 UT 20:55-20:58 Observed by Robinson (Devon,
England) - observer noted that the east outside wall was bright in red
and normal in blue. Note that the Moon was 30 deg above the horizon at
the time of the observation. The crater returned to normal at 20:58.
Also seen by Moore (Selsey, UK) and Foley (Kent, UK). At 21:25-21:50 D.
Sims (Dawlish, UK, 25cm reflector, x300, seeing IV and some cloud at
times) noticed a possible obscuration over the southern part of
Gassendi. He had been observing earlier at 18:40-19:30 but had not
detected a TLP in Gassendi then. 22:11UT Robinson notices that the spot
outside the east wall is again bright in red., though by 22:25 it had
faded and was gone by 22:28UT. The Cameron 1978 catalog further
quotes: "Vivid red spots & general red color seen around rim by 2 obs.
At 2209h blood red small area was seen. 1 h later the most westerly
(IAU?) of the peaks had become hazy white all other areas were sharp.
(Indep. confirm.)." Cameron 1978 catalog weight=5 and catalog ID #1454.
The ALPO/BAA weight=3.
On 1987 Oct 04 at UT 02:20 D. Darling (Sun Praire, WI, USA,
12.5" reflector, x170, S=8, VG, T=5) obtained the brightest
measurement he had ever recorded on the northern rim of
Proclus. Brightness 9 and adjacent plain was of brightness
6.5. The Cameron 2006 catalog ID=308 and the weight=3. The
ALPO/BAA weight=2.
Gassendi 1966 May 01 UT 19:30-00:21 Observed by Sartory (UK,
8.5" reflector, x500, S=G), Moore, Moseley (Northern Ireland,
12.5" reflector x350, S=E) and by Corralitos Observatory
(Organ Pass, NM, USA, 24" reflector + moon blink) "Eng.
moonblink & obscuration, also vis. confirm (Moore & Moseley
alerted by Sartory. Corralitos MB did not confirm. - but they
may not have been observing at the ame time?)." NASA catalog
weight=5. NASA catalog ID #932. ALPO/BAA weight=4.
On 1980 Jul 24 at UT02:00 F. Graham (East Pittsburgh, PA, USA, 6"
reflector) took some photos (albeit out of focus) that showed a bright
spot on the west rim. Cameron comments that this spot was sharp
compared to the rest of the photograph, so was probably a photographic
artifact. The effect was not seen in the finder scope. The Cameron 2006
catalog ID=103 and weight=2. The ALPO/BAA weight=1.
Aristarchus 1966 May 01 UT 21:55-22:45 Observed by Paterson,
Brown, Sartory, Ringsdore (England, 12" reflector x252 for the
former and 8.5"? reflector for the latter) "Eng. moon blink
system detected red spots with vis. by all but Ringsdore. Brown
saw intense white spot NW of crater wall" NASA catalog weight=5.
NASA catalog ID 933. ALPO/BAA weight=4.
In 1949 Nov 03 UT 01:06 J.Bartlett (3.5" refractor, x100) noted that
the floor of Herodotus was very dark, the east wall was very bright,
and the floor contained a central bright peak. The BAA/ALPO weight=3.
Aristillus 1972 Dec 17 UTC 21:50-22:20 observed by Berger (51.5N, 9E,
60mm refractor, T=2, S=3) "Diffuse bright cloud in the NE corner of the
crater" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53-
61.
Aristarchus 1919 Jun 10 UT 19:00-19:30 Observed by Lapshin
(Russia) a "Greenish-yellow light shone from inside the crater
for 1/2 hr. after which it returned to normal. Violet tint on W.
bank & surrounding area & the dark color of the saddle & dark
spot were distinct. Term. slightly E. of Herodotus. (Ast. E)=IAU
W." NASA catalog weight=3. NASA catalog ID #372. ALPO/BAA
weight=3.
Plato 1906 Mar 07 UT 22:00? Observed by Fauth (Germany? 6" refractor)
"Color (brightness?) greatly enhanced as on the previous nite" NASA
catalog weight=3 (average). NASA catalog ID #324.
Moon 1967 Apr 22 UT 02:30 Observed by Dunlap et al. (Corralitos
Observatory, Organ Pass, NM, USA, 24" reflector) "UV excess as in #
1029. Gradient was 10# at term. to 25-30$ at subsolar pt. (153 deg
long)." NASA catalog weight=5 (very high). NASA catalog ID #1031.
On 1980 Jul 24 at UT22:10-22:55 P. Moore (Selsey, UK, 15" reflector,
x360 and x400) found an area just south east of the central peak (and
upto the wall) to be quite dark in blue light, but normal brightness in
red light or in white light. All other features were normal colour-
wise. At 22:55UT Tycho was normal again. Cameron 2006 catalog ID=103
and weight=4. ALPO/BAA weight=3.
On 1982 Dec 27 at UT 23:00 M. Price (Camberley, Surrey, UK, Seeing=III
and transparency=good) observed that Piazzi-Smyth was brighter than Mon
Piton at 23:00. Photographic atlas was checked to verify that this was
abnormal. The Cameron 2006 catalog ID=193 and weight=4. The ALPO/BAA
weight=2.
On 2004 May 02 at UT03:24 M. and L. van Son (Bremerton, WA, May 1st
7:24PM PST) saw a naked eye flash on the Moon. The observers were
glancing up at the Moon in daylight when they saw a bright white flash
(observer and his wife together) in the upper/mid Mare Serenitatis
region, west of the crater Posidonius. "Larger than how Venus appears".
"It was a quick flash like white, intense lightning. I'm not sure how
to report degrees of arc but if the face we see is 900, and we start
from the east then the flash occurred about 225 arc seconds to the
west. This was observed by the naked eye, with clear skies between us
and the moon." The observers checked for signs of aircraft vapour
trails but could not see any. There is a possibility that it could have
been sun glint from an Iridium satellite, but this needs to be checked
out and usually these last longer than the observed effect. It would be
useful to obtain whole Moon images under the same illunination and
libration so that we can judge this observation properly. The ALPO/BAA
weight=4.
Cobra Head 1966 May 02 UT 20:05 Observed by Sartory (England, 8.5"
reflector x400) "Eng. moon blink detected red spots, seen visually
also". NASA catalog weight=4 (good). NASA catalog ID #934.
Gassendi 1966 May 02 UT 20:18-20:19 Observed by Sartory (England, 8.5"
reflector x400) "Eng. moon blink detected red spots, seen visually
also." NASA catalog weight=4 (high). NASA catalog ID #935.
Aristarchus 1982 Jul 03/04 UTC 20:55-01:08 Observed by Foley (Kent, UK,
Seeing Antoniadi III) "Brightness variance" - CED 3.6-4.1-4.9. When the
crater was dark it had a slate-blue-grey interior. Moore found the
crater to be exceptionally bright and this was confirmed by J.D. Cook
(CED 3.8-4.1). The Cameron 2006 catalog ID=174 and weight=5. The
ALPO/BAA weight=3.
S. of Aristarchus 1951 Sep 13 UTC 14:00? Observed by Osawa (Japan, 6"
reflector) "Bownish-red color, blue on NW rim of A." NASA catalog
weight=3 (average). NASA catalog ID #546.
On 1982 Jul 03/04 at UT 20:45-01:08 J.D. Cook (Frimley,
Surrey, UK) found the Mare Frogoris area, north of Plato was
pink at 20:45UT. Saxton found flashes in Mare Frigoris and
near thye Alps. The Cameron 2006 catalog ID=174 and the
weight=5. The ALPO/BAA weight=2.
Interior craterlets could not be seen and some of the walls and
exterior features were fuzzy. ALPO/BAA weight=1.
Plato 1873 Apr 10 UTC 21:00? Observed by Schmidt (Athens, Greece, 6"
refractor) "Under high sun, 2 faint clouds in E. part of crater."
Aristarchus, Schroter's Valley, Herodotus 1967 Apr 22 UT
21:45 Observed by Darnella (Copenhagen, Danemark, 3.5"
refractor) & Coralitos Observatory (Organ Pass, New Mexico,
USA (24" reflector + Moonblink). "Red pts. suspected in same
areas as in #1030, but seeing was bad. (confirm by Schobel?).
Corralitos MB did not confirm" NASA catalog weight=5. NASA
catalog ID #1033. ALPO/BAA weight=2.
Gassendi 1976 Oct 04 UT 21:30 P. Moore (Selsey, UK, x400,
seeing poor) observed redness in the c.p. area. The ALPO/BAA
weight=1.
On 2009 Jan 09 at UT 20:00 P. Brierley (UK) took a CCD image of the
Aristarchus area - P.Grego upon examining this comments that he thinks
that Schiaparelli crater looked "muted in brightness -- it is normally
quite bright to look at". Though Grego comments that it might have
something to do with the image processing aplied to the image. The
ALPO/BAA weight=1.
On 1964 Jan 27 at 21:00? Scarfe (UK) obtained spactra showing
luminescence? The Cameron 1978 catalog ID=797 and weight=5. The
ALPO/BAA weight=3.
Eratothenes 1954 Jul 14 UT 04:18-05:00 Observed by Bartlett (Baltimore,
MD, USA, 5" reflector, x150, S=4, T=3) "Violet glare on E. wall bright
spot (EWBS)" NASA catalog weight=4 (high). NASA catalog ID #565. ALPO
/BAA catalog weight=3.
Manilius 1968 Nov 04 UT 00:15-00:30 Observed by Jean et al. (Montreal,
Canada, 4" refractor, 6" reflector) "Extremeley bright flash on Men. &
Man. each." NASA catalog weight=2 (low). NASA catalog ID #1101.
Menelaus 1968 Nov 04 UT 00:15-00:30 Observed by Jean et al. (Montreal,
Canada, 4" refractor, 6" reflector) "Extremeley bright flash on Men. &
Man. each." NASA catalog weight=2 (low). NASA catalog ID #1101.
Alphonsus 1966 May 03 UTC 21:30 Observed by Smith (England, 10"
reflector) and Corralitos Observatory (Organ Pass, NM, USA, 24"
reflector, Moonblink) "Reddish patches. Not confirmed by Corralitos MB
(but in their report they give the feature as Gassendi)." NASA catalog
weight=2. NASA catalog ID #936. ALPO/BAA weight=1.
On 1987 Mar 13 at UT 20:52 M. Mobberley (Suffolk, UK, S=VG) obtained
some video that shows variation in Aristarchus crater e.g. ä visual
oddity in the SE corner" (Foley was interpreting the video). H.Hatfield
took some film of the TLP (Unstudied yet). The Cameron 2006 catalog ID=
301 and the weight=5.
On 1987 Mar 13 at UT 20:52 M. Mobberley (Sussex, UK) found that Mons
Pico varied in its north east section. This was recorded on video tape.
The Cameron 2006 catalog ID=301 and weight=5. The ALPO/BAA weight=2.
Madler 1940 Sep 16 UT 02:10 Observed by Haas (New Mexico? USA,
12" reflector?) "Bright spot on S. rim was I=5.8 comp. with 8.9
on Aug 17 (see #470)." NASA catalog weight=4. NASA catalog ID #
473. ALPO/BAA weight=2.
Plato 1967 Apr 24 UT 02:50 K.Simmons (Jacksonville, FL, USA, 10"
reflector) observed a large bright (intensity 6.5) oval area on
near the central floor. According to Ricker and Kelsey (ALPO
selected area coordinators) this is unusual. ALPO/BAA weight=1.
On 1969 Sep 25 at 19:00?UT Azeau (Paris, France, 12" reflector, x100,
Seeing = good, altitude=20 deg) observed during an eclipse brilliant
points for 30 minutes in Ross. Cameron says that the date given
originally (16th Sep) was wrong because the age was 5 days and not full
Moon. There was however a peumbral eclipse on Sep 25th at 20:10 (max).
The Cameron 1978 catalog ID=1201 and weight=1. The ALPO/BAA weight=1.
On 1964 Jan 28 at 21:00? Scarfe (UK) obtained spactra showing
luminescence? The Cameron 1978 catalog ID=798 and weight=5. The
ALPO/BAA weight=3.
On 1950 Sep 26 at UT 02:52, 03:10 Reid (Montreal, Canada, 6" reflector
x48) and Venor (Montreal, Canada, 12" reflector) observed a
brightening, fading, and brightening in Aristarchus crater during
totality. There was a phosphorescent glow (date not given but times
match this eclipse). cameron suggests that this is a confirmation
report. The cameron 1978 catalog ID=538 and weight=5. The ALPO/BAA
weight=3.
On 1975 May 25 at UT 05:00-06:00 an unknown US observer took a
photograph of a lunar eclipse that shows Aristarchus gleaming white.
The Cameron 1978 catalog ID=1406 and weight=5. The ALPO/BAA weight=2.
On 1975 May 25 at UT 05:00-06:00 an unknown US observer took a
photograph of a lunar eclipse that shows a bright spot on the east
(IAU?) rim of mare Serenitatis (Romer?). The Cameron 1978 catalog ID=
1406 and weight=5. The ALPO/BAA weight=2.
On 1903 Apr 11 at UT 23:44 Zlatinsky (Russia) observed the following
for Tycho? or Aristarchus?: "Dur. a lunar eclipse a bright extension of
lunar (rays?) in shadow for 30m until mid-ecl." was seen. W.W. Magness
(England, UK, 3" refractor) also saw two bright streaks of light,
either side of the uneclipsed crsecent of the Moon. The Cameron
1978 catalog ID=217 and weight=2. The ALPO/BAA weight=2.
Aristarchus 1968 Mar 14 UT 01:32-02:06 Observed by Olivarez, Maley,
Etheridge (Edinburgh, TX, USA, 17" reflector, x125 + Moon Blink) and
Corralitos Observatory (Organ Pass, NM, USA, 24" reflector, Moon Blink)
"S=5 (F-G) for the TX observations. "Trident Moon Blink on S. wall
creet & c.p. & white spots in crater. No color seen vis. Blink not seen
earlier or later. Other craters blinked some but not as strongly.
Only Aris. areas blinked when Moon blink was moved around. Observers
consider blinks real. Alt. of moon was 50 deg. Drawings. Corralitos
say they did not confirm, but they rep't Copernicus, not Aris." NASA
catalog weight=5 (very high). NASA catalog ID #1062.
On 1912 Apr 01 at UT 22:00-23:00 LeRoy (France?) during a
partial eclipse, observed Tycho to be visible as a very bright
spot standing out in the slate grey shadow. Apparently only
Tycho was seen during the elipse. The mid eclipse point was at
22:14UT. The Cameron 1978 catalog ID=236 and the weight=1. The
ALPO/BAA weight=1.
On 1906 Aug 04 at UT 12:30-13:30 Ward (England?) observed during a
lunar eclipse Aristarchus to shine conspicuously. Cameron says that UT
time is on the new system (as opposed to local time) with the mid
eclipse at 13:00UT. The cameron 1978 catalog ID=325 and the weight=1.
The ALPO/BAA weight=1.
1924 Aug 14 UT 20:00 Herodotus observed by Chernov (Russia, 2"
refractor?). Weak luminescence seen in mid lunar eclipe.
The Cameron 1978 catalog ID=390 and weight=3.
The ALPO/BAA weight=2.
On 1978 Sep 16 at UT 18:28-18:57 G.Searle (Concord, Sydney, NSW,
Australia, 8" reflector, x100, x160, S=III) observed a bright star-like
point on the western (IAU) edge of Mare Tranquilitatis (x100) that
appeared unlike any other crater and a check of the location revealed
no suitably bright crater in that region (from a map?). Changed to a
higher power (x160) and it was still there, but not as conspicuous.
Observer thinks that this may have been due to the Moon's low altitiude
(16 deg) and the seeing. At 18:35 he compared it to the brilliant
crater Proclus and found the star-like point to be 75% of the
brightness of Proclus. Ken Wallace (Australia) had been taking photos
and observed the object at 17:37.5UT. The object gradually faded over
the next 15 minutes and by 18:52UT could only be seen in averted vision
at x100. By 18:57UT it was gone. The Cameron 2006 catalog ID=38 and
weight=5. The ALPO/BAA weight=2.
On 1942 Aug 26 at UT 04:00 Haas (New Mexico?, USA, 12"
reflector?, very clear sky and good seeing) observed (during an
lunar eclipse) found an unmistakable lightening of a dark albedo
area in Atlas. This area returned to normal darkness during the
4 houres after Atlas re-entered sunlight. Cameron says that the
mid eclipse was at 04:00. The Cameron 198 catalog ID=489 and
weight=4. The ALPO/BAA weight=2.
On 1978 Sep 16 at UT19:30 R. McKin (Colchester, Essex, UK, 216mm
reflector and binoculars) observed that Aristarchus, in the lighter
region, during the lunar eclipse, was duller than usual but no less
conspicuous than expected. The Cameron 2006 catalog ID=38 and weight=5.
The ALPO/BAA weight=1.
On 1964 May 26 UT 04:10-04:35 Bartlett (Baltimore, MD, USA, S=5, T=5).
observed that Aristarchus had a strong blue-violet glow on the east
wall and EWBS, with a strong violet tinge on the nimbus. Crater was
hazy, could not focus it in red, green or blue light. The Cameron 1978
catalog ID= and weight=4. The ALPO/BAA weight=2.
On 1984 Dec 07 at UT 19:30-23:30 M. Mobberley (St Edmunds, UK,
seeing=IV-V, transparency=good, spurious colour seen) found 2
bright pathces on the east rim on alternate sides of a bright region.
The band from the central 16km wide region was dark on the east side.
Foley (Kent, UK, 12"reflector, seeing=II-III) found Aristarchus to be
not as bright as normal, apart from the band that Mobberley found (1
hour later). The dark regions were a murky green colour (bright through
green, blue and yellow filters and dark through red and orange
filters). Cook (Frimley, UK, transparency=excellent, CCD camera used)
found a bright "bulge"on the eastern side. Apparently data suggests
that the band was brighter in red than in near IR light. Cook's
calibrated brightness measurements suggest that there was no change in
brightness over the crater with time. Two other bright points were
seen: one at the Cobra's Head and another half way between the east rim
of Aristarchus and passes Herodotus. Wratten 29 (deep red), Wratten 87
(near IR) and combined Wratten 29 and Wratten 87 were used. In the red
Wratten 29 filter the brightness falls at22:20 at Shroters valley and
then rises in the bright ray. They return to normal at 22:30UT. There
was however a lot of measurement noise from the brightness readings of
points B and D. The Cameron 2006 catalog ID=256 and the weight=5. The
ALPO/BAA weight=3.
On 1963 Jul 06 at UT 23:00 (estimated) Chernov (Russia) observed in
Atlas 2 large spots that were not visible in penumbra after totality.
The cameron 1978 catalog ID=775 and weight=2. The ALPO/BAA weight=1.
On 1891 May 23 at 18:36-19:15 UT, Jackson of Sheffield, England, using
a 6" refractor, saw "1/2 hour before the end of a totl eclipse, a
region of the crater and just north of it, become conspicuous and
increased in brightness from then on" Cameron thinks this is just the
edge of the shadow and possibly normal. Cameron 1978 catalog ID=268 and
weight=0. ALPO/BAA weight=1.
In 1954 Jul 16 at UT 01:12 Chernov (Russia, 2" refractor, x33) observed
the following for Aristarchus: "Activity noted in it * in extension of
Moon's shadow on sky for 12 min during .17phase of ecl.(source gave
date as June 16, but ecl was July 16)". The Cameron 1978 catalog ID=566
and weight=1. The ALPO/BAA weight=1.
On 1978 Aug 19 at UT02:45-04:00 Porter (Naragansetts, RI, USA, using a
6" reflector, Seing = 6/10) noticed blue on the north east corner of
Aristarchus and an orange glow on the south east wall. They detected no
movement or change in brightness. The observer used both eyes, to make
sure it was not an eye defect, and three filters: red Wratten 25, blue
Wratten 82 and Violet Wratten 47. Porter found that the colours faded
for a duration of 5 minutes and then returned. Their right eye gave a
good view and using their left eye they suspected that it was 0.5 steps
brighter than the remainder of the crater. The suspected colour
remained visible, even under moments of good seeing conditions. The
colour eventually faded over time and was eventually gone. Porter
reportd seein gcolour here on the following night. Apparently other
bright spots showed no colour. Fitton suggests that the filters used
confirm that the south east wass was definitely red in colour. The
Cameron 2006 catalog ID=37 and the weight=0. ALPO/BAA weight=1.
Bright light seen during eclipse. Date given as 8th
but the Full Moon was on 6th according to Goldatine's
"New & Full Moon's"). ALPO/BAA catalog weight=1.
Cameron catalog weight=3. Cameron Catalog ID: 4.
Julian date 1096 Aug 06. Gregorian date 1096 Aug 12.
Observed by Bartlett (Batimore, MD, USA, S=4, T=5) "E.wall? blue
glare. He was uncertain @it. Couln't focus it. Herodotus
unaffected." NASA catalog weight=4. NASA catalog ID 581.
ALPO/BAA weight=2.
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th.
Cloud-like effect where light had been (on 8th). Cameron 1978 catalog
TLP ID No.=139 and weight=3. ALPO/BAA weight=2.
On 1905 Aug 15 at UT 03:30 Rey (Marseilles, France) observed Tycho
during a lunar eclipse to be visible, indeed it was described as
brilliant during the eclipse (mid eclipse 03:31UT). The Cameron 1978
catalog ID=322 and weight=1. The ALPO/BAA weight=1.
Proclus 1958 Aug 30 UT 06:30-06:45 Observed by Bartlett (Baltimore, MD,
USA, 4" reflector, x240, S=6, T=5) "Proc. Q. a bright spot on NE rim
apparently a crater presented a very abnormal aspect. Extraordinarily
large & at least 9 deg bright -- like EWBS on Aris. This spot is
subject to large unexplained variations. At 97 deg col. in July, Q was
also 9 deg bright but very small. At col.96 deg, 5 in May '58,
col.99deg in Feb.'50, & 96 deg in Nov. '55 it was not seen at all.
Assoc. with tonite was a distinct blue glare on NE rim, extending for
short dist. & @ 2x as far as S." NASA catalog weight=4 (high). NASA
catalog ID #894.
Plato 1967 Nov 17 UTC 18:36-18:50 Observed by Moore, Moseley
(Armagh, Northern Ireland, 10" refractor x260) "Faint blink
under SW wall. Nothing seen vis. Gone by 1839h. Reappeared at
1841, then gone by 1850h. Checks till 0200h were neg. Obs.
dubious of reality of phen." NASA catalog weight=2. NASA catalog
ID #1054. ALPO/BAA weight=1.
Aristarchus 1970 Jan 23 UT 07:00? Observed by Thomas, Rogers,
Corralitos Observatory (Organ Pass, NM, USA, 24" reflector, Moon blink)
"Bluing around the crater -- vis. in monitor but not photographed
due to clouds" NASA catalog weight=4 (high). NASA catalog ID #1233
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th.
Cloud-like effect where light had been (on 8th). Cameron 1978 catalog
TLP ID No.=139 and weight=3.
Proclus 1958 Jul 03 UT 06:18-07:15 Obsrved by Bartlett (Baltimore, MD,
USA, 5" reflector, x180, S=5, T=3) "Proc. C a remarkable phenom. of
which he is certain. At beginning of obs. C was 5 deg bright &
conspicuous -- its normal appearance at or nr. SS. At 0620 it suddenly
became dull so as to almost vanish. By 0640 C was very dull-- 3.5 deg.
An indep. check was made at 0715 with same instru. & it was still at
3.5 deg. Note C does not mean Proclus C but a notation system developed
by Bartlett for features in and around Proclus". Cameron's 1978
NASA catalog weight=4 (high). Cameron's 1978 NASA catalog ID #688.
ALPO/BAA weight=3.
In 1954 Jul 17 at UT06:50-07:15 Bartlett (Baltimore, MD, USA, S=
5, T=5-1) observed near Aristarchus: "Pale violet tint on
surface NE of crater, no color elsewhere". The Cameron 1978
catalog ID=568 and weight=4. The ALPO/BAA weight=1.
Aristarchus 1970 Jan 24 UT 07:00? Observed by Thomas, Rogers,
Corralitos Observatory (Organ Pass, NM, USA, 24" reflector, Moon blink)
"Bluing around the crater -- vis. in monitor but not photographe due to
clouds" NASA catalog weight=4 (high). NASA catalog ID #1233
Gassendi 1940 Sep 19 UTC 06:00 Observed by Haas (New Mexico,
12?" reflector) "Largest bright spot in SE part of floor, had I=
6.7, but 6 for last nite & 5.6 on others (see #'s 469, 472, &
474)." NASA catalog weight=4. NASA catalog ID #475. ALPO/BAA
weight=2.
On 1980 Mar 04 at UT10:30-10:34 D. Darling (Sun Prairie, WI, USA,
12.5" reflector, x344) detected a pin-point light in the shadowed area
of Mare Crisium that varied in brightness then faded. Cameron 2006
catalog ID=84 and weight=0. ALPO/BAA weight=1.
On 1990 Jan 14 at UT 01:14-01:55 M.C. Cook (Frimley, UK, seeing=poor)
observed that Aristarchus did not appear normal for this illumination.
the northern half of Aristarchus was "2x>" than the southern half of
the crater. There were two white patches of apron material near to the
crater Herodotus that were 50% of the brightness of the southern half
of Aristarchus. Furthermore the southern half of Aristarchus had a
circle - "dull patch on inner S wall with a bright point shining
through it. (Bartlett's EWBS?)". The Cameron 2006 catalog ID=389 and
the weight=4. The ALPO/BAA weight=2.
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th.
Cloud-like effect where light had been (on 8th). Cameron 1978 catalog
TLP ID No.=139 and weight=3.
Daniell 1894 Feb 23 UT 00:00? Observed by Krieger (Germany)
"Strong, brownish-red coppery hue." NASA catalog weight=4 and
catalog ID #281. ALPO/BAA weight=3.
1894 Feb 23 UT 00:00(?) Posidonius N. Wall observed by
Krieger (Germany) "Strong, brownish-red coppery hue." NASA
catalog weight=4 and catalog ID #281. ALPO/BAA weight=3.
Furnerius A 1983 Jan 02 UT 00:10 H. Hill (UK)
observed that this crater was piercingly bright,
which he thought was a bit unusual. ALPO/BAA weight=1.
Cleomedes 1991 Dec 23 UTC 22:50 Observed by Mizon (Colehill,
Dorset, UK, 8" f/6 reflector x216) "Oval or pear-shaped ashy
glow visible for 2 min, then vanished quite suddenly" - Ref.
personal communication received by BAA Lunar Section.
Peirce A (Swift=IAU name?) 1937 Dec 23 UTC 22:00 Observed by Wilkins
(England, UK, 12.5" reflector) "Obscuration on floor if crater. Crater
invis. (similar to #394, 396)." NASA catalog weight=4 (high). NASA
catalog ID #412.
Aristarchus 1970 Jan 25 UT 07:00? Observed by Thomas, Rogers,
Corralitos Observatory (Organ Pass, NM, USA, 24" reflector, Moon blink)
"Bluing around the crater -- vis. in monitor but not photographe due to
clouds" NASA catalog weight=4 (high). NASA catalog ID #1233
On 2005 Oct 21 at UT 13:07-14:27 R. Gray (Winnemucca, NV, USA, 15cm F/9
refractor, x228, seeing 4-5, transparency 5-6) observed a possible TLP
in Macrobius. His report is as follows: "Blinked Macrobius with Wratten
Filters Blue 38A and Red 29. Macrobius became almost invisible through
the Blue 38A and essentially the same as in white light through the Red
29. The interior of the crater was completely in shadow. The only part
of the east wall that was visible was an apparent high point still in
the sun and seen as a bright point of light. This faded into darkness
before 13:56UT. No sign of any illumination of the east wall crater
interior or the interior of the west wall was seen during the
observation period. The outer west wall was a rough looking,
complicated mix of deep shadow and illuminated sunlit terrain." The
observer concluded that there was not a TLP - although he did get a
filter reaction, this may have been due to the different densities of
the filters? ALPO/BAA weight=2.
Aristarchus 1957 Oct 13 UT 07:00?$ W.Haas, according to the 1978
NASA Catalog is supposed to have seen a bright spot of light --
"explosion" in this crater. Confirmation of activity
in Aristarchus - Three independent observations within 4 hours.
Cameron 1978 catalog weight=5 and TLP ID No.=676. Private
comunication with Haas shows that he recorded nothing unusual
on the 12th or 13th. Therefore an ALPO/BAA weight of 1 has
been given until this matter is cleared up.
Fracastorius 2022 Apr 21 UT 01:35-02:12 A. Amorim (Brazil -
90mm f/10 refractor, 25 & 10mm eyepieces ) observed visually a
little bright spot near the centre of the otherwise completely
shadow filled crater. The bright spot was surrounded by a coma
effect. Clouds intervened but by 02:12 the spot was no longer
visible, just a thin patch of light close to the crater's
centre. Observations started when the Moon's altitude was 15
deg and ended when it was 23 deg above the horizon. ALPO/BAA
weight=1.
On 1991 Jul 31 at UT 07:50 D. Louderback (South Bend, WA, USA, 3"
refractor) observed that the south floor of Aristarchus was wellow -
"almost gold, spilled over S wall on ray toward Herodotus". Cameron
comments that Bartlett often reported a yellow floor but not a spill of
the colour over to the external ray. Cameron also comments that
Louderback's refractor would refract more in blue light than in yellow,
therefore she did not think that it was due to chromatic aberation. The
Cameron 2006 catalog ID=431 and the weight=3. The ALPO/BAA weight=2.
On 1991 Jul 31 at UT 07:50 D. Louderback (South Bend, WA, USA, 3"
refractor) found that all of Mons Piton was "unusually dark". Points D,
C (E and S resp), usually brightest points, but this time were not
bright. "Whole mt was as dark as W wall usually is at this time. In
violet filter Piton disappeared completely, but was a little brighter
in red filter and points D & G showed. Color not seen by eye. No albedo
measured. Suggests red event." Cameron rules out chromatic aberation
from Louderback's refractor. The Cameron 2006 catalog ID=431 and the
weight=3. The ALPO/BAA weight=1.
Stochard of Dublin, Ireland, saw naked eye at 10:30UT on
1862 Nov 12 Aristarchus as extraordinarily bright as a bright
spot on the Moon. This was seen in daylight with the waning
crescent. Cameron 2006 extension catalog ID=6 and weight=3.
ALPO/BAA weight=2.
Callipus 1952 Sep 09 UT 21:00-21:20 Observed by Moore (England)
"Hazy broad line of light seen fr. NW wall to SE wall over shad.
floor. Gone next nite at 0120. He gave low wt. to obs. (sunlight
between peaks?)." NASA catalog weight=1. NASA catalog ID #553.
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 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.
Two observing times are given for two observers, 10:30-11:07 UT and
10:45-10:52UT. Castle (Rock Island, IL, USA, 8" 51x and 102x reflector)
found that the Proclus region was brighter than the rest of the
Earthlit region. They used averted vision at x102 and noticed that
Proclus was the brightest object in the center of a glowing area. The
size of the glowing area was three times that of the diameter of
Proclus in the E-W direction and 4-5 x the diameter in the N-S
direction. East of glow was not so well defined. Darling (Sun Praire,
WI, USA, 3" reftactor x56) noticed a brightening in the Earthshine in
this region and alerted Brit. but they were clouded out.Cameron 2006
catalog extension ID=410 and weight=1. ALPO/BAA weight=1.