Southern cusp obseved by H.Hill (UK) on 1985 Sep 12 UT0435-0455. Solar Selenographic colongitude=241.3. Observer saw an extremely attenuated cusp extending well beyonf the Moon's prime meridian. There were also dusky ill-defined stips along the Earthlit limb nearby. Note that this is almost certianly not a TLP but is worth checking out if the libration and solar colongitude is similar, just to verify that this is what the Moon normally looks like. ALPO/BAA weight=1.
Harpalus 1969 May 19 UT 21:20-22:00 Observed by Marcomede Rangel Nunes and Julio Dias Nogueira (Rio de Janeiro, Brazil, 18" refractor). "Brightening in crater (inexperienced observers). (Apollo 10 watch)." NASA catalog weight=0. ALPO/BAA weight=1. NASA catalog ID #1126.
On 1988 Apr 20 at UT02:06-03:00 D. Fryback (Madison, WI, USA, 8" reflector, S=3-4) commented that Aristarchus crater looked like a "city from high above "glowing under a cloud". Spain (Fairfield, KY, USA, 8" reflector, S=VG) detected a streak and flashes but reports that the crater was not "glowing", though it was the brightest feature in the Earthshine, but Kepler and Copernicus were bright too. Aristarchus was brighter in shorter exposures than in longer exposures. The Cameron 2006 catalog ID=326 and weight="confirmed". The ALPO/BAA weight=2.
On 1990 Mar 29 at UT 19:00 L. Todd (England?) observed that Aristarchus in Earthshine was very clearly seen and appeared to blink occasionally. Foley (Kent, UK) also notcied variations in Aristarchus. The Cameron 2006 catalog ID = 396 and the weight=1. The ALPO/BAA weight=1.
On 1992 Apr 06 at UT00:45-02:03 G. Johnson (Swanton, MD, USA, 3.5" refractor, x36) observed Aristarchus in Earthsine, but at a higher magnification is appeared as a diffuse star. However the crater was not seen later. D. Darling (Sun Praire, WI, USA, 3" refractor), D. Weier and F. Graham (Pittsburgh, PA, USA, 7" reflector, photographs), observing at 01:24UT could not see the crater. The cameron 2006 catalog ID=443 and the weight=0. The ALPO/BAA weight=1.
On 1847 Dec 11 at 18:00UT Hdgson (Eversley, UK, x80 refractor and 40x reflector) observed in Plato (Though it might have been Cape Agassiz or Teneriffe Mts) a bright spot of about a 1/4 the angular diameter of Saturn that varied intermittently and was at all times visible on the night side of the Moon. The following day he glimpsed the same spot rhough clouds. From his drawing the spot was ~5' below the true N. point & near the following limb (IAU E. limb) Cameron comments that Plato fits the angular distance better than the other two candidates unless there was a large northern libration. The Cameron 1978 catalog ID=125 and weight=3. The ALPO/BAA weight=3.
In 1865 Jan 01 at UT 18:00-18:30? Grover (England? or USA?, seeing = good and transparency = clear) observed south east of Plato at the foot of Mt Blanc a small bright spot like a magnitude 4 star - slightly out of focus. This bright speck remained unchanged for 30 minutes. The Cameron 1978 catalog ID=137 and the weight=3. The ALPO/BAA weight=2.
On 1969 May 20 at UT 21:00-22:00 Bury (France, 4" refractor) observed Aristarchus to be very bright, as an elliptical bluish spot at 21:00UT. This observation was made during the Apollo 10 watch. The Cameron 1978 catalog ID=1128 and weight=5. The ALPO/BAA weight=2.
On 1969 May 20 at UT 21:10-22:30 Marcomede Rangel Nunes and Julio Dias Nogueira (Rio de Janeiro, Brazil, 18" refractor) Harpalus brighter than Bouguer - this was during the Apollo 10 watch and Cameron comments that the observers were inexperienced. The Cameron 1978 catalog ID=1129 and weight=0. The ALPO/BAA weight=1.
On 1988 Apr 21 at UT 01:28-04:00 D. Fryback (Madison, WI, USA) took a series of photographs - Aristarchus was a luminous patch and in one photograph a red spot (Cameron suspects marks on the film). is seen near Aristarchus. Strangely though when looking through the telescope, the crater was not excessively bright. D. Spain (Fairdale, KY, USA, 3.5" reflector?, x60) observed a narrow white streak of mag 5-6 of duration 0.5 sec that covered 160-320km near the centre of the Moon at 01:53UT. A similar streak happened but the direction was different. Next 2 small red flashes were seen at 02:00 and 02:01UT of magnitude 7 (<1sec) in the vicinity of Aristarchus. The cameron 2006 catalog ID=327 and the weight=1.
On 1988 Apr 21 at UT 01:53 D. Spain (Fairdale, KY, USA, 3.5" reflector?, x60) observed a narrow white streak of mag 5-6 of duration 0.5 sec that covered 160-320km near the centre of the Moon at 01:53UT. A similar streak happened again but the direction was different. Next 2 small red flashes were seen at 02:00 and 02:01UT of magnitude 7 (<1sec) in the vicinity of Aristarchus. The Cameron 2006 catalog ID=327 and the weight=1.
On 1969 Jul 19 at UT 1845-18:47 Pruss and Witte (Bochum, Germany, 6" refractor x36 and binoculars) saw brightenings in the north west wall of Aristarchus for 3-7 seconds of about 1 magnitude over the background. From orbit at UT 18:46 the Apollo 11 crew Armstrong, Aldrin, and Collins (in orbit around the Moon and using the naked eye) were asked to take a look at Aristarchus after Earth-based reports of TLP activity. Armstrong reported (after the solar corona had set, on the night side) that probably Aristarchus "to be considerably more illuminated than the surrounding area. It just has - seem to have, a slight amount of flourescence to it". Collins reported a moment later: "Looking out on the same area now. Well at least there is one wall of the crater that seems to be more illuminated than the others. I am not sure that I am actually identifying any phosporesecence, but that definitely is lighter than anything else in the neighborhood". Houston then asked if the crew could detect any colour and if the inner wall was the inner or outer part? Aldrim commnted that it was the inner wall and Collins mentioned thatno colour was incolved. The Cameron 1978 catalog ID=1165 and weight=5. The ALPO/BAA weight=3.
On 1969 Jul 19 at UT 19:30-21:30 Gervais (Lodure, France, 4.5" refractor?) saw the whole region of Aristarchus and its environs as brighter than normal. Two photographs were obtained. The Cameron 1978 catalog ID=1156 and weight=5. At UT 20:30-20:55 Oliver (Spain, using a reflector) found the Aristarchus to have brightened by about 1 magnitude. From UT 20:12-20:30 the crater had been normal. The Cameron 1978 catalog ID=1167 and the weight=2. At UT 21:00-00:35 P. Mourilhe Silva (Rio de Janeiro, Brazil, 19.5" refractor) saw Aristarchus as a very bright elliptical shape which extended to the north like a bridge between two points. Jose M. L. da Silva and Ronaldo Mourao (Rio de Janeiro, Brazil, 13" refractor) saw a brightening on the north west wall from 21:24-23:22UT intermittently but cont'd. Wall was extraordinarilly bright, along NW wall brighter. Moseley (Armagh, Northern Ireland, UK, 10" refractor) detected an unusual bright, along north west wall, brighter than normal in Earthshine and brighter than crater. It was not constant, but pulsated irregularly with frequency of 20 seconds and amplitude 0.75-1.0 magnitudes. No colour seen or obscuration though lokked for. Clouds interrupted observations. Vasquez (Valparaiso, Chile, 12" reflector) saw it as a very luminous point of magnitude 1. Wairy Cardoso (Rio de Janeiro, Brazil, 12" reflector and 18" refractor) noted a bright. 1s??? The Cameron catalog ID=1168 and the weight=5. The ALPO/BAA weight=4.
On 1969 May 21 at UT 20:00-21:00 Brandli and Germann (Switzerland, 6" refractor) observed a slow orange-red blinking on the surrounding area of Aristarchus. It was seen less markedly the next night. Wald (Zurich, Switzerland) noted at 20:30UT that the crater was pink (Confirmation says Cameron) - this was during the Apollo 10 watch. The cameron 1978 catalog ID=1131-1132 and weight=5. The ALPO/BAA weight=4.
South Cusp 1969 Jul 19 UT 17:55-19:10 Observed by Dzapiashvili (Georgia, Soviet Union) "Saw an abnormally bright spot at end of S.cusp. Polariz. meas. at 8.3% at 1845-1847h (Apollo 11 watch?)" NASA catalog weight=5 (very good). NASA catalog ID #1164.
Theophilus 1969 Jul 19 UT 19:30-21:30 Observed by Fox (Notts. England, 6.5" reflector) and Ringsdore (England, 15" reflector). Fox saw intermittent glow in Theoph. for > 2h (time not given). Ringsdore confirmed. (Apollo 11 watch)" Confirmed by Baum 21:00-21:20UT. NASA catalog weight=5. NASA catalog ID No. 1166. ALPO/BAA weight=4.
Fracastorius 1973 Mar 09 UT ~19:57 Robinson (Devon, UK) saw a Moon Blink (colour) in this crater. This crater is long suspected of giving permanent blinks due to natural colour. The ALPO/BAA weight=1.
On 1966 Sep 20 at UT 03:22 Three Astronet observers (Phoenix, AZ, and Los Angeles, CA, USA) (independently?) reported flashes in Grimaldi crater. One observer was in Phoenix AZ, and another in Losa Angeles, CA, so probably not due to the atmosphere. Cameron comments that the astronaut Schmidt on Apollo 17 saw a flash in it while orbiting the Moon. the Cameron 1978 catalog ID=977 and the weight=5. The ALPO/BAA weight=4.
South Pole 2011 Apr 08 UT 19:30-20:00 A.Kemp (Mold, Flintshire, UK) observed that the Leibnitz peaks at the southern pole stood out sharply. However one of the peaks was “shining like a spot light. So bright that I couldn’t make out its shape”. – image clear and steady with excellent transparency and seeing in the 70mm f/13 refractor (25mm and 10mm eyepieces). Inspections during the above time period revealed no changes in brightness. Previous observations of this area had never shown such an unusual brightness, and Arthur likened the brightness to “a maximum brightness of Venus shining amongst 2nd magnitude stars”. The observer was an experienced observer. ALPO/BAA weight=2.
Mare Crisium 1826 Apr 12 UT 20:00 Observed by Emmett (England?) "Black moving haze or cloud". NASA catalog weight=2 (low). NASA catalog ID 109. ALPO/BAA weight=1.
Lunar volcano, seen on the dark side, as bright as a 6th magnitude star,
A bright spot was seen. Cameron 1978 catalog ID=40 and weight=3. ALPO/BAA catalog weight=2.
On 1969 May22 at UT2045-2105 Wald (Zurich, Switzerland) observed the pinkish colour in Aristarchus was less marked tonight. The astronauts were alerted and at 22:12 reported no activity but could see the crater and Earthshine was strong near the terminator. Apollo 10 watch, spacecraft far from the terminator. The Cameron 1978 catalog ID=1134 and the weight=2. The ALPO/BAA weight=2.
Atlas 1969 May 22 UT 21:20-21:40 Observed by Germann, Wild, Vieli (Zurich, Switzerland, 6" reflector) "Rim towards the sun was bright. Part of time was interrupted. (Apollo 10 watch)" NASA catalog weight=3 (average). NASA catalog ID #1135.
Theophilus 1969 Jul 20 UT 18:40 Observed by Delaye, Thinon, Donas, ? ourdan (Marseilles, France, 10" refractor x60) "Saw a flash on the c.p. of mag 1.0, duration 0.1s, no color. (meteor?) (Apollo 11 watch)". NASA catalog weight=1 (very low). NASA catalog ID #1174.
On 1984 Jul 05 at UT 00:00-01:25 Marshall (Medelin, Columbia, seeing=II) observed that Censorinus was much less bright than Proclus (confirmed by CED readings). Cameron 2006 catalog ID=247 and weight=3. ALPO/BAA weight=1.
On 1984 Jul 05 at UT 00:00-01:25 Marshall (Medelin, Columbia) found Proclus to be much brighter than Censorinus (which of the two was abnormal is a question) - though he thought that Censorinus looked dull. The Cameron 2006 catalog ID=247 and weight=3. The ALPO/BAA weight=1.
On 1969 Jul 20 at UT 19:55-20:10 Delaye, Thinon, Donas, and Jourdran (Marseilles, France, 10" refractor, x60) saw between 19:55-20:04UT Aristarchus to be bright and in it pulsations with 10 sec duration. At 20:05UT it's spot brightened, at 20:08:50-20:35:50UT brightening and pulsations of variable duration. At 20:55:50UT just a feeble flash. Cameron comments that this is probably not atmpsheric effects as the period is too long - also it was during the Apollo 11 watch. The Cameron 1978 catalog ID=1175 and th weight=3. The ALPO/BAA weight=3.
Mare Crisium 1826 Apr 13 UT 20:00 Observed by Emmett (England?) "Black moving haze or cloud" NASA catalog weight=2 (low). NASA catalog ID = 109. ALPO/BAA weight=1.
Knopp of Paysandu, Uruguay on 1885 Feb 21 at 23:00-23:30? UT saw red patches in the crater. Reddish smoke or mist. The observer says several others had seen a star like point there that night. Cameron's 1978 catalog ID=348 and weight=4. ALPO/BAA weight=3.
Theophilus 1969 Jul 21 UT 19:30-21:45 and 21:00-22:00 Observed by Fox (Newark, England, 6.5" reflector,) and Baum (Chester, England, 4.5" refractor) (S=6, T=4) "At wall, adjacent to Cyrillus was a redish glow, then obscur. (Fox). Baum saw intermittant white-blue shimmering as if glowing thru dust glowing & upsurge in brightness on c.p. Gradually faded to normal at 21:20. 1st time ever seen by him tho. obs. since 1947. Image sharp, no haziness. (indep. confirm. of activity, but details differ, but same time, Apollo 11 watch)." NASA catalog weight=5. NASA catalog ID #1180. ALPO/BAA weight=3.
Mons Piton 2022 Aug 04 UT 19:41-20:10 T. Smith (Codnor, UK, 16inch Newtonian, x247, Seeing IV) mountain was very bright and red around its eastern slopes. An examination of the bright and contrasty Proclus crater revealed that to be relatively colour free compared to Piton. An examination of other features, north and south along the terminator revealed some tinge of coloiur but not as strong as on Mon Piton. Mons Piton examined with a yellow filter at 19:50 and still showed red along the eastern side, other features along the terminator had no colour through the filter. Video images by. A.Cook (Newtown, UK) made earlier at 1929 & 19:40 UT, (in the SWIR (1.5-1.7 microns) did not reveal Mons Pico as especially bright - but resolutioin was poor. A friend of Smith, phoned up the next day to say that they saw a mountain on the limb exhibiting red on the 14th August. Probably the redness was due to atmospheric spectral dispersion as the Moon was low, and it was especially visble on Mons Piton as this is an exceedingly contrasty object on the terminator. ALPO/BAA weight=1.
On 1991 May 21 at UT05:30-06:15 J. Green (Orangevale, CA, USA, 11" reflector) photgrapphed a broad bright band stretching east and north of Cassini crater in 3 exposures taken 10 minutes apart. This photographic sequence shows a gradual widening towards Cassini and by the 3rd exposure the band is touching (and then obscuring) Cassini. A "fan" was visible in the north east and WSW directions, later this was seen as rays and this was even seen in the view finder of the camera. Cameron comments that this might be lens flare but suspects that it would not have been seen in the view finder. The Cameron 2006 catalog ID=427 and the weight=5. The ALPO/BAA weight=2.
Hyginius Cleft 1966 Jul 25 UT 04:40 observed by Kelsey (Riverside, CA, USA, 8" reflector, x300) "Points at opposite ends of cleft were very brilliant in red Wratten 25 filter & very dull in blue Wratten 47 filter. Richer uncertain if real LTP." NASA catalog weight=1. NASA catalog ID #957.
North of Bessel 1969 May 1969 May 23 UT 22:54. Nelson Travnik (Observatorio Flammarion, located at 45.58W, 21.87S, f/15 10cm refractor, Kodak Tri-X, 1/15 sec exposure, sky conditions excellent). Dark spot photographed just north of Bessel - could be a photographic defect?. ALPO/BAA weight=1.
Plato 1887 Nov 23 UT 20:00? Observed by de Speissens (France?) "Luminous triangle on floor. Klein says it was sunlight affect. (but similar to Klein's own obs., #190. Fort says never seen before nor since)." NASA catalog weight=0 (very unlikely). NASA catalog ID #256. ALPO/BAA weight=1.
Plato 1895 May 02 UT 20:45, 23:45 Observed by Brenner and Fauth (Germany?) "Streaks of light (Brenner) bright parallel bands in center Fauth (indep. confirmation?)." NASA catalog weight=5. NASA catalog ID #284. ALPO/BAA weight=1.
On 1965 Sep 03 UT03:00-05:00 D.Harris (Located near Whittier College, Whittier, CA, USA, using a 10" f/8.2 Newtonian reflector, x78 & x208, seeing 5-6, transparency 2-0) observed a ridge obscured SSW of Ross D. No drawing was made, only a written description. "Ridge not visible near crater; possible white patch 1/3 Ross D diameter" The ridge is the wrinkle ridge extending NNE from Ross D, a well established often visible feature. Harris comments that this was not one of the better TLPs seen near Ross D, and there were no independent observers, neverless he was ceratin of this being a TLP, and it was consistant with other activity seen near this crater between 1964 and 1970. Cameron 1978 catalog ID 891 and weight=3. ALPO/BAA weight=2.
Censorinus 1969 May 24 UTC 21:10-22:15 Observed by Jean Nicolini (Sao Paulo, Brazil, 12" reflector) "It was brighter than Proclus between 2130-2145h. A very tiny cirrus veil present & Censor. appeared less bright & Proc. continued to look normal. Weather worsened at 2215h. (Apollo 10 watch)." NASA catalog weight=2. NASA catalog ID #1144. ALPO/BAA weight=1.
On 1979 Dec 27 at UT 05:32 D. Louderback (South Bend, WA, USA, 6" reflector x240, seeing=3-6/10 and T=4) noticed "2 small high-sun areas nr. Eimmart - brightening around Mare Crisium, except for interior of Proclus - in blue light. They were brighter than 2 spots on Cap. Agarum rated 8.5 & Proc. 9. Not as bright next night. Probably a real blue light brightening". Cameron 2006 catalog ID=79, location on Moon: (70E, 23N) and weight=4.
Piton 1960 Nov 27 ? UT 00:00? Observed by Schneller (Cleveland, OH, USA, 8" Reflector, x53), "Red obscuration concealing peak, @10m2 (if near SR, date is 27th; ancillary data given for 27th -- date not given)." NASA catalog weight= 3. NASA catalog ID #731. ALPO/BAA weight=2.
Theophilus 1978 Nov 08 UT 20:49-22:00 Observed by J.D. Cook (Frimley, 12" reflector, 6mm Ortho eyepiece, seeing III-IV) Orange discolouration seen on ESE crater floor. Moon blink tried, but no blink detected. By 21:10 the effect had lessened, but was still orange. By 21:50-21:58 the effect was smaller and perhaps more on the SE of the floor. Colour confirmed by Foley. Fitton may also have been observing. At 22:00 A.C. Cook observed and commented that a darkish, perhaps brown-orange colour seen - but suspected it was probably spurious colour - but by now the seeing was V. J.H. Robinson, whilst doing a Moon Blink sweep of several features, including Theophilus, had not noticed anything unusual 18:50-19:10. By 22:30-22:35UT, he still could not detect a blink, but noticed intermittent darkining on the shaded area on the E. floor, but seeing was now IV. The darkening was more noticeable in blue than red light. BAA Lunar Section observation. 2006 Cameron catalog ID #40 weight=3. ALPO/BAA weight=1.
On 1972 Feb 23 at UT0010-0035 Fornarucci (Garfield, NJ, USA, 6" reflector, x250, seeing=fair and transparency=3.5). Shading usually visible west of it was not seen. Cameon comments that the albedo must have been at 5, where normally it is 4.5 and the nearby plain is 5). Cameron 1978 catalog ID=1322 and weight=2. ALPO/BAA weight=2.
Observer made a drawing over a period of 30 minutes. Upon examining drawing, and comparing with photos made under similar illumination was struck by the abnormality of a a small white blob in the north east corner of the shadowed floor. There should be no raised topography between the wall and the central peaks that could give rise to this. The making of the sketch overlapped with an earlier drawing made by Rony de Laet (Belgium) which did not show this blob. Subsequent attempts to find sketches/images at very similar illumination angles have failed to show the blob in the north east corner of the chadowed floor. ALPO/BAA weight=3.
On 1980 Jan 26 at UT21:35-22:25 Blair (Refrewshire, Scotland, 10" reflector, 83-276x, seeing=III-IV and transparency poor) discovered a bright spot on the north rim and through filters it "flashed" green, red and blue. Clouds interupted observing, but when they cleared the effect was still present. Other craters did not show this effect. Cameron catalog ID=83 and weight=4.
Plato 1964 Nov 14 UT 01:00? Observed by Bartlett (Baltimore, MD, USA, 4" refractor?) "Peak on E. wall brilliant white, strong blue band at inner base; on S. wall was a small, bright red spot." NASA catalog weight=4. NASA catalog ID #864. ALPO/BAA weight=3.
Birt 1955 Apr 15 UT 03:20-05:00 Observed by Capen (California Seeing=Excellent) "Small craters between Birt & wall were invis. at times under excellent seeing, while craterlets on w.side were continually obs." NASA catalog weight=4 (high). NASA catalog ID #586.
On 1990 Apr 04 at UT 21:30-21:50 B. LeFranc (France?) reported observing a white flame effect in Copernicus crater (sketch made) - though Foley comments that the actual location was east of the crater. The Cameron 2006 catalog ID=398 and the weight=2. The ALPO/BAA weight=2.
La Hire 1887 Feb 02 UTC 20:00? Observed by Klein (Cologne, Germany, 6" refractor) "Intense yellow streak that cast shadows around neighboring features". NASA catalog weight=4 (good). NASA catalog ID #255.
Posidonius 1970 Apr 15 UT 21:05-22:10 Observed by Wanderley Nazareth (Sao Paulo, Brazil, reflector) "Intermittant pulsation. Drawing 20S interval for pulsations. (too long for atmospheric aberration? Apollo 13 watch)." NASA catalog weight=3. NASA catalog ID #1254. ALPO/BAA weight=3.
Plato 1969 May 26 UT 20:30-21:05 Observed by Farrant (Cambridge, England, 8" reflector, x160, S=G) "Had misty portion of SW(ast. ?) floor from 2030-2105h at which time it was gone. Clearly seen, had ill-defined boundaries & was an easy obj. to see. Alt.=33 deg. (Apollo 10 watch)." NASA catalog weight=3. NASA catalog ID No. 1148. ALPO/BAA weight=1.
Proclus 1989 Jul 13 UT 21:04-21:13 Observed by M.Cook (Frimley, UK, 90mm Quastar Cat., Seeing III, transoparency hazy) and by Moore (Selsey, England) "Following an alert call by Miles concerning the crater Proclus looking different, Cook observed a circular dark patch that filled about half of the eastern half of the crater floor. To cut down the glare a blue filter was then used and a slightly less dark area was seen extending from this in a southerly direction. 8 rays were seen. The dark patch was confirmed by Patrick Moore. However David Darling (USA) who observed a few hours later on 1989 Jul 14 at 03:28 UT could not see this dark patch." BAA Lunar Section observation. The Cameron 2006 catalog ID=370 and weight=?. The ALPO/BAA weight=2
Scarcely a trace of nebulae tonight. As long as to June 10 at 2000UT? A little blackness remained. (P. Moore thinks it was a LTP, WSC it was a permanent feature?) Drawing. Seen by Nevelius Emmett, J. Boroughbridge, England. The 2006 Extension catalog by Cameron assigns an ID No. of 4 and a weight of 1. 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.
Aristrachus 1966 Jul 29 UT 03:40 Observed by Simmons (Jacksonville, FL, USA, 6" reflector x192, S=7, T=4-5) and Corralitos Observatory (Organ Pass, NM, USA, 24" reflector + Moonblink) "Spot on S.wall vis. only in red filter, brightness 8deg. Slightly brighter than surrounding wall. No confirm. Says it might be part that reflected better. Not confirmed by Corralitos Obs. MB." NASA catalog ID #968. NASA catalog weight=1 (very low).
Aristarchus 1975 Dec 14/15 UT 17:05-00:30 Observed by Foley (Dartford, England, 12" reflector, S=II) and Moore (Sussex, UK, 15" reflector x250 S=IV) and Argent and Brumder (Sussex, UK). In early sunrise conditions, W. wall was less brilliant than usual -- matched only by Sharp, Bianchini, & Marian. Extraordinary detail could be seen on this wall. Also noted intense & distinctly blue color entire length of W. wall. 3 others corroborated detail, but not color. Moore found things normal & saw Aris. brightest at 2030-2125h tho Argent & Brumder made it < Proclus" NASA catalog weight=4. NASA catlog ID #1422. ALPO/BAA weight=1.
On 1938 Mar 13 at UT 04:00-06:00 Barker (Chestnut, England, UK) noted a slight reddish colour in Plato. However Fox (Newark, UK, 6.5" reflector, x240) saw none on the south east wall, but instead saw a yellowish glow on the southern floor at the same time (confirmation?). Appearently Fox saw the same effect on Apr 10, 11, and May 8-11, then on June 8-10. The Cameron 2006 catalog ID=432 and the weight=5. The ALPO/BAA weight=3.
On 1989 May 17 at UT Fabian (Chicago, IL, USA, 4" reflector, x35-x50 and 8" reflector) noted a pale blue colouration in the ridges situated west of Aristarchus and north of Herodotus craters, in the vicinity of the terminator (and on the night side). Aristarchus itself did not have any colour. Ďt was only area with such color though there were numerous others of similar elevation and relation to term. The colour was seen in a 4" Cassegrain telescope, but when an 8" reflector was used at 02:30UT, even with the same eyepieces. Cameron comments that maybe the larger telescope spread the colour out? The sketch that Fabian suplied, suggested to Cameron that the TLP was located at Herodotus, and the ridge was part of Schroter's valley - Cobra Head. The Cameron 2006 catalog ID=364 and the weight=2. The ALPO/BAA weight=2.
Aristarchus 1963 Oct 30 UT 01:50-02:15 Observed by Greenacre and Barr (Flagstaff, AZ, USA, 24" Clark Refractor) observed 2 ruby red spots - one just to the SW of the cobra's Head and the other on a highland area east of Vallis Schroteri. A pink colour formed coverting the SW rim of Aristarchus. Effects present with or without Yellow Wratten 15 filer. Similar effects checked for elsewhere on other craters but not seen. So presumed not to have been due to chromatic aberation or astmospheric dispersion. Effecta not seen in 12" refractor, but this may have been a resolution issue. The NASA catalog ID No. is #778. The NASA catalog weight is 5 (highly reliable). ALPO/BAA weight=4.
Proclus 1950 Jul 27 UT 02:56 Observed by Bartlett (Baltimore, MD, USA) described in the NASA catalog as: "C.p. of Proc. disappeared)" 5" reflector used at x100, NASA catalog weight=4. ALPO/BAA weight=2.
In 1962 Dec 09 at UT 07:42 Wildey and Pohn (Mt Wilson, CA, USA, 60" reflector) observed that Aristarchus was 0.80 magnitudes (x2) fainter than average for this age (photometric measurement) Vmag=3.80, average= 3.0. The Cameron 1978 catalog weight=5. The ALPO/BAA weight=2.
In 1962 Dec 09 at UT 07:36 Wildey and Pohn (Mt Wilson, CA, USA, 60" reflector) observed that Oceanus Procellarum was 1.13 magnitudes brighter than normal. Observation at sunrise and is abnormal if area measured was mare. If it were an east facing wall it would be normal. The Cameron 1978 catalog weight=5. The ALPO/BAA weight=2.
On 1992 Feb 16 at UT 01:05-01:35 P. Moore (Selsey, UK, 12.5" reflector, seeing=III) found the north rim area to be both very bright and misty - though he did not think it to be a TLP but wanted it to be recorded, just in case. The Cameron 2006 catalog ID=440 and the weight=1. The ALPO/BAA weight=2.
Herodotus 1950 Jul 27 UT 03:56 Observed by Bartlett (Baltimore, MD, USA) described in the NASA catalog as: "Pseudo c.p. in Herod. Drawings. (Similar to NASA catalog event #523)" 5" reflector used at x100, NASA catalog weight=4. ALPO/BAA weight=3.
Aristarchus-Herodotus 1970 Apr 18 UT 20:14 Observed by MacKenzie (UK,2.5" refractor x45, seeing Antoniadi I) "Fairly strong blink in a spot 1/2 way between the 2 craters. Drawing (Apollo 13 watch). NASA catalog weight=2. NASA catalog ID #1257. ALPO/BAA weight=2.
Torricelli B 2002 Oct 18 UTC 20:56-21:59 Observer: G.North (UK, 8" reflector, x134, Seeing Antoniadi IV, Transparency good) - thought that Torricelli B was perhaps a little brighter than expected, especially when compared to Moltke and Censorinus based upon past recollection of relative brightnesses at this colongitude). Slight bluish tint seen as well. The ALPO/BAA weight=1.
Aristarchus 1963 Oct 30 UT 05:00-08:00 Observed by Greenacre and Barr (Flagstaff, AZ, USA, 24" Clark Refractor) a violet or purple-blue colour formed beyond the NW of Aristarchus. ALPO/BAA weight=2. This followed an earlier observation that night of two red spots and a pink glow.
Aristarchus and Cobra Head 1966 Jul 30 UT 06:35-07:29 Observers Ariola and Cross (Whittier, CA, USA). NASA catalog states: "S. part of Cobra Head nr. Herodotus was a red spot; also nr. Aris. & the fork of Schroter's Valley. Variations in phenom. color, 1st on S. rim of Aris., later on N. rim. Drawings". 19" x390 reflector used. NASA catalog weight=5. NASA catalog TLP ID No. #959. ALPO/BAA weight=4.
On 1975 Feb 23 at UT 18:00-00:24 P.W. Foley (Kent, UK, 12 inch reflector, seeing Good), noticed that Aristarchus was a slate-grey tinged with blue, and abnormally bright, fading at UT 18:47, and decreased activity at UT20:45 after a cloudy period. Blue was seen on the northern wall at UT19:00, but at 19:10 no colour, but instead an obscuration. All normal from UT 21:04-21:46 according to Foley. At UT19:00 G. Amery (Reading, UK, 10 inch reflector) noted shadowy grey near the shadow under the south wall, indistinct small area, no colour. At UT 20:00 activity increased. Colour negative fr. 150-300x till 21:10 (Hunt, Cambridge, UK, 2.5" refractor, seeing Poor-Very good). Negative fr. 20:20-21:00 in bad seeing, and very good seeing at 200x all negative (colour blink filters). From 23:45-00:20UT (Fitton, Lancashire, UK, 8" reflector). Turner of Sussex, UK with an 8" reflector, observed as well. (confirm. of activity earlier & neg. later). Cameron 1978 catalog ID=1397 and weight=5. ALPO/BAA weight=3.
On 1975 Apr 23 at UT 20:30 J-H Robinson (Teighmouth, Devon, UK, 260mm reflector, x200). Observer was observing since 20:30UT, at 21:00UT though they noticed red on the outside south wall of Aristarchus, a hazy ill defined area that was larger in a red filter than in blue filter, and outside east wall was bright in red. At 21:08UT the outside west wall of Aristarchus no longer gave a colour blink reaction, and at 21:22UT the colour blink on the southern end of the crater ceased, but the image blur remained (in both red and blue filters) despite the rest of the crater being sharp in detail. Observations ceased at UT 21:35 because the blurring at the southern end seemed to be normal and this was confirmed when checked with photographic atlases. Other craters such as Proclus, Pickering, Tycho, Gassendi, Copernicus, Alphonsus, Plato, Menelaus, Manilius, Linne and Theophilus, showed no colour blink reactions. However Picard had a red bright blink from 20:30-20:40 and the permanant blink on the N. Floor of Fracastorius was detectable. Also Plato floor shadings were clearer in red than in blue - intermittently. This is a BAA lunar section observation. No estimation of transparency or seeing is given, nor any comment on whether spurious colour was seen in any craters visually. ALPO/BAA weight=1.
On 1981 Oct 11 at UT 00:05-02:00 B.Hobdell (St Petersberg, FL, USA, 4" refractor, S=3 and T=5) observed a brightening on the floor of Plato. 4 bright spots appeared and vanished and there was a fith one in the centre that was very bright at times. At UT 00:14 the central spot became bright then was "followed by a haze permeating entire floor, heaviest in the northern quadrant. Came from 2 S peaks or white spots, shaped like a boomerang extending to presumed c.p. (c.c ?). White flashed at 0052 from it cloud changed shape - spread N. At 0136 brightening from c.c. area 0419 dissipated. All white spots seen at 0200. Its outer flanks seen clearly the whole time". The above is quoted from the Cameron 2006 catalog ID=155 and weight=3. The ALPO/BAA weight=3.
On 1981 Nov 10 at UT 07:54-08:22 D. Louderback (South Bend, WA, USA, 3" refractor and filters, seeing=2-3 and transparency=5) observed a blue light at the Cobra's Head, near Aristarchus, that fell back down to a normal brightness of 7. although the west wall (his point D) went down to 6.5 (this was 8 back on Oct 5). The Cameron 2006 catalog ID=158 and the weight=3. The ALPO/BAA weight=2.
On 1891 Sep 16 at UT 19:00? Pickering, based at Arequipa, Peru, and using a 12" reflector, saw in Schroter's Valley and the vicinity "Dense clouds of vapor apparently rising from its bottom and pouring over its SW wall torrds Herodotus. He says no activity till day after sunrise & ceases a few days before sunset. (Part of an extensive observing of only a few features under all aspects of lighting. Drawings and Phtos obtained." Cameron 1978 catalog ID=269 and weight=1. ALPO/BAA weight=1.
Gassendi 1972 Feb 27 UT 23:15-00:10 Observed by A.Kemp (Cheshire, UK, 8.5" reflector x286) "Suspicion of blink between Gass. c.p. & Gass A. Clouds prevented confirm. Hedley-Robinson didn't see anything unusual earlier (20:00-20:20)." Note that the duration of the event, or indeed precise UT at which it was seen is not given. NASA catalog weight=1. NASA catalog ID #1324. ALPO/BAA weight=1.
On 1985 Sep 27 at UT 20:55 M. Mobberley (Suffolk, UK) found that the brightness of Torricelli B varied and starlike points seen in the crater. There is no Cameron 2006 catalog entry for this TLP report. The ALPO/BAA weight=2.
On 1981 Oct 12 at UT 00:00?(?) B.W. Chapman (12cm refractor, Seeing II, transparency poor, Kingston-Upon-Thames, UK) found that Mons Pico was brighter in red light than in blue. Aristarchus for comparison was the same brightness in both filters. ALPO/BAA weight=1.
Interior bands were faint at 22:40 but sharper at 23:20. Observer noted some blue spurious colour to the north of Aristarchus but this had gone by 23:50.
Observer noted some variability in the brightness of Moltke and Torricelli B. This observation has an ALPO/BAA weight of 3.
Observer noted some variability in the brightness of Torricelli B and Moltke. This observation has an ALPO/BAA TLP weight of 3.
On 1983 Aug 22 at UT 05:44-06:33 D. Louderback (South Bend, WA, USA, 3"refractor, x150) found the brightness of Aristarchus (diffuse white patch) to be 7 to 7.5 but apparently it is normally 8-8.5, so fainter than normal. Another brightness reading found "brightening then nearly extinction at S. wall similar to changes seen on Eimmart before. Watched fluctuation compared to Cobra Head, they were similar but more pronounced at Aristarchus" especially in blue light compared to red (although there was a little brightness in red). Timings of these fluctuations were 7sec, 7sec, 9-10sec and 9-10sec. The latter two might have been seeing related as the crater enlarged up at these times. The observer felt that the Cobra Head appeared fainter than the previous year and had faded during the second set of brightness measurements. Cameron 2006 catalog ID=227 and weight=3. ALPO/BAA weight=2.
On 1983 Aug 22 at UT05:44-06:33 D. Louderback (South Bend, WA, USA, 3" refractor, x150) found that Mons Piton was still brighter in red light than in blue - the opposite was found in his July observations. The Cameron 2006 catalog ID=227 and the weight=3. The ALPO/BAA weight=2.
Aristarchus 1975 Feb 24 UTC 18:00-23:30 Observers (all in UK): Foley (Kent, 12" reflector), Gannon (Middlesex, 6" reflector), Peters (Kent, 8" reflector), Farrant (Cambridge, 8" reflector), Turner (Sussex, 8" reflector), Fitton (Lancashire, 8" reflector) - "(Foley) 1800h -- slate gray bluish on all of crater; blue at 1816h, fading at 1835h, no color on floor. At 1949h brillinance reduced, eyepiece tested at 1959h with result of elong. gray blur & afterward activity at reduced light level. Blue again at 2013h. (Gannon) at 1851h saw red tint on S.rim (instru.), neg. in white & filter lite till 2000h, (Peters) at S=P had impression of large faint blink on S.side, diffuse till 2000h, then seeing improved & saw darkish patch on S.wall -- darker in blue than red. Craters on limb were normal to 2017h, neg. at 2058h & 2130h, (Farrant) at 2000h, normal. At 2053h color in small area to W. of W. wall. (Turner) at 2230h-2300h got neg. (Fitton) at 2330h got neg. in white, seeing too poor for filters. Fitton & Farrant think obs. due to atm. effects. (activity earlier & none later confirmed)." NASA catalog weight= 5 (very good). NASA catalog ID #1398.
Darwin 1945 Oct 19 UT 23:23 - P.Moore (UK) saw 3 brilliant points of light on wall. 12" reflector used. NASA catalog ID # 495, NASA weight=3. ALPO/BAA weight=3.
Plato 1945 Oct 19 UT 23:24:30 Observed by Thornton (Northwich, England) described in the NASA catalog as: "Bright flashes on the floor near E.wall (meteor?) but others have seen flashes there too. time given is 1123, must be P.M., local time. MBMW gives date as Oct 19, which is wrong" Haas (more reliable account) in his 2003 article in Strolling Astronomer Vol 45, p28 states" 23cm x220 reflector used - "minute but brilliant flash of light seen just inside eastern border of walled plain Plato. Colour was said to be orange side of yellow. NASA catalog weight=4 & NASA catalog TLP ID No. #494. ALPO/BAA weight=3.
Aristarchus-Herodotus 1964 Sep 20 UTC 04:15-04:50 - Observers: Crowe & Cross (Whittier, CA, USA, 19" reflector x390) "Several red spots in area between the 2 craters. No change in phenom. so stopped observing" NASA catalog weight=5 (very good). NASA catalog ID #849.
Aristarchus 1959 Jan 23 UT 06:20 - Observer: Alter (Mt Wilson, CA, 60" reflector x700) "Brilliant blue in interior later turning white. Photos obtained. (MBMW has this entry twice for diff. dates because source gave UT date as 23rd.)" NASA catalog weight=5. NASA catalog ID = #712. ALPO/BAA weight=4.
nr.Ross D 1964 Sep 20 UTC 04:55-05:00 - Observers: Harris & Cross (Whittler, CA, USA, 19" reflector x250) "Opaque, outgassing, obscuration" NASA catalog weight=5 (very high). NASA catalog ID #850.
On 1976 Feb 14 at UT23:35-0053 LeCroy (Springfield, VA, USA, 4.5" reflector, x75, S=6 and T=4.5). A blue haze was seen on the east side of Aristarchus and red haze on the west side. At 00:00UT details were more clear and at 00:24UT Aristarchus and Herodotus, were seperated. At 00:34UT colours were gone. At 00:35UT blue was on Aristarchus and the area was bright, but was black in a red filter. At 00:53UT the features were clear and the colour gone and the brightness had decreased to 9. Cameron comments that the colour was not due to temp. inversion because of being dark in the red filter, implying a medium). The Cameron 1978 catalog TLP ID is 1428 and the weight=1. This is an ALPO report. The ALPO/BAA weight=1.
On 1977 Jan 04 at 16:25-17:30 Kozyrev (Pulkovo Observatory, Crimea, Ukraine, Soview Union) "Observed unusual processes on moon. Activity in progress at beginning of obs. Still vis. at 1710, gone at 1730h. Latharn & colleagues found no seismic activity at that timeunder a quick look". The Cameron 1978 catalog weight=4 and ID=1460. The ALPO/BAA weight=2.
On 1938 Jan 16 at UT 00:00 Barker (Chestnut, England, UK, 12.5" reflector) noticed that Plato crater had a brownish-gold veined surface, colour irregular - laid on a smooth floor. The Cameron 1978 catalog ID=430 and weight=3. The ALPO/BAA weight=2.
On 1985 Sep 28 UTC 20:54-23:52 P.W. Foley (Suffolk, UK) found (actually before 20:54 UT) brightness variance in Torricelli B. J.D. Cook (Frimley, UK) observed a brief blue coloured patch somewhere in the Torricelli B region, but could not pin it down precisely. At 22:50UT M.C. Cook (Frimley, UK, 30cm reflector, seeing III - occasionally V, transparency moderate to good) Found the crater to have an elongated appearance (in SSW-NNE direction) in white light, similar to the previous night. A bright elongated spot was seen on the NNE floor, close to where the wall should be. Not able to define the rim. There was a very dark surrounding area to the crater, similar to what it was on the previous night (roughly 1/4 brightness of Censorinus). 23:04UT brighter in yellow, then red, then blue. At 23:10 it was seen that blue filter dulled the crater - this was odd because both Censorinus and Proclus were brighter in blue, which is what he would normally expect. At23:15 UT Censorinus was brighter in blue, then yellow then red filters and some orange spurious colour seen to the south of Censorinus. At 23:23UT no spurious colour seen on Proclus or Censorinus. 23:46UT Torricelli B elongated as before, but a very faint ray might have been seen to the south west of the rim. This report is not in the 2006 Cameron catalog. The ALPO/BAA weight=3.
Plato 1966 Aug 01 UT 06:14 Observed by Kelsey (Riverside, CA, USA, 8" reflector x300) The wall from the S to the NNE wouldn't focus well though at least 4 craterlets on the floor were clearly seen (Ricker uncertain if real TLP. Cameron thinks it probably was -- similar to Bartlett's experience on Aris. NASA catalog weight=2. NASA catalog ID #961. ALPO/BAA weight=1.
Galvani B: On 2019 Sep 13 UT 23:26 K. Kilburn (Manchester, UK, BAA - ED80 refractor, x2 Barlow, Canon 550 DSLR) took a sequence of images from 23:25-23:27 UT. On one of the images, taken at 23:26UT there is a blue/green spot on Galvani B. There is a hint of a possible fade of the spot in the other images but this is not conclussive. Te spot might just be a cosmic ray event or a bright part of the crater rim coming into view under brief exceptional seeing for one frame only. We need simlar illumination, and if possible topocentric libtation images, under different atmospheric conditions to confirm this. It would be great if the images were in colour too. The ALPO/BAA weight=1.
On 1901? Nov 25/25 at 23:00UT Besanceas (France?) observed: "During lun. ecl. (mid-ecl. at 0118 on 26th) a bright area seen on moon. Another(?) obser. saw an obj. like a fiery comet leave the moon! (Date given by Midllehurst was 1900 but must be wrong-not FM then. FM in 1900 but no ecl. Partial ecl. on 10/27/01 at 0315. Ref. by M is wrong = 157)". The Cameron 1978 catalog ID=310 and weight=1. The ALPO/BAA weight=1.
On 1897 Jun 14 at UT 23:00 Pickering (Cambridge, Mass. USA) observed in "Schroter's valley and the vicinity variations in vapor colum. Break in col. toward F and eruption of crater D. 3.4 d after sunrise". The Cameron 1978 catalog ID=389 and the weight=3. The ALPO/BAA weight=2.
On 1938 Jan 17 Barker (Chestnut, England, UK, 12.5" reflector) noticed that Plato crater had a brownish-gold veined surface, colour irregular - laid on a smooth floor. It had extended further E than on the previous night. The ALPO/BAA weight=2.
Aristarchus 1978 Nov 15 UTC 19:10-22:15 Observed by Foley (UK) - Colouration seen - violet spot on north west interior. There was no colour on the crater floor from 19:10-20:05, but suddenly the floor colour changed to a slate blue-grey colour from 20:05-21:45UT. Colour was not detected elsewhere. CED brightness measurements taken - these were normal for Proclus, Mons Pico, Mons Piton and Tycho, but for showed that Aristarchus varied in brightness. Crater Extinction Device (CED) used. Seeing Antoniadi III, Transparancy Fair.
On 1981 Dec 12 at UT 00:31 P. Madej (Huddersfield, UK) saw some flashes between Plato and Mons Pico. The cameron 2006 catalog ID=160 and weight=3. The ALPO/BAA weight=2.
On 1891 Sep 18 at UT 21:00 Pickering, based at Arequipa, Peru, and using a 12" reflector, saw in Schroter's Valley and the vicinity "Varitions in vapor column. Drawings. Time estimated from given colongitude)." Cameron 1978 catalog ID=271 and weight=1. ALPO/BAA weight=2.
Plato 1921 Nov 15? UT 20:00? Observed by Chernov (Russia, 2" refractor x94) "Temporary increase in brightness of the light band at bottom noted close to FM. Crater actively noted in Oct. 10." NASA catalog weight=1 (very low). NASA catalog ID #384.
E. of Pytheas in M. Imbrium 1970 Jun 19/20 UTC 23:54-00:23 Observed by Sendor-Mark (Szolnok, Hungary, 4" reflector x 200) "Bright spot nr. Timocharis (on E. Copernican ray?) decreased slowly for next 8min 19 sec. At 00:11:05 flared up. After 2nd decreasing, brightened again at 00:25:54 after which no variablity. Event was star-like < 3km. No events on 21st." NASA catalog weight=2 (poor). NASA catalog ID=#1262.
Lichtenberg 1955 May 07/08 UT 23:00-01:00 Observer: Jean Nicolini (Brazil). Ref: Azevedo (1962) NASA catalog weight=1, NASA catalog ID 590. ALPO/BAA weight=1.
Aristarchus 1975 Dec 19 UT 22:45 Observed by Foley (Kent, England) "Suspected anomaly in it", NASA catalog weight=1 (very low). NASA catalog ID #1424.
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 1975 Dec 19 at UT22:45 P.W. Foley (Kent, UK) suspected an anomaly in Aristarchus. Cameron 1978 catalog weight=1424 and weight=1. ALPO/BAA weight=1.
In 1942 Feb 02 at UT 18:20-19:15 Y.W.I. Fisher (Brussels, Belgium) a whitish glow near the Earthlit limb, near to Kepler (37W, 7N). The duration of the event was 55 min. The Cameron 1978 catalog ID=488 and weight=2. The ALPO/BAA weight=1. Ref. p220-221 IAU Symposium No. 14 - The Moon.
Plato - Hibbard (Orlando, FL, USA, 2.5 inch refractor, NASA catalog quotes: "Whole crater had a bluish tinge, (photos obtained but out-of-focus -- chrom. aberr?" - NASA catalog weight=1, NASA catalog ID 903. ALPO/BAA weight=1.
Aristarchus (Bartlett, 1965 Oct 12 UTC 02:15-20:25, 5 inch reflector x280) - NASA catalog quotes "Nimbus was only a dark violet hue". NASA catalog weight=4. NASA catalog ID #904. ALPO/BAA weight=1.
Gassendi 1967 Sep 20 UT 21:11-21:46 Observer: Moore & Moseley (Armagh, N.Ireland, 10" refractor, x254) "Faint blink & red glow SSW of c.p. at 2111h. At 2118 was fading & moving slightly N. Gone at 2110. At 2122h suspected blink close to SW of c.p. Gone at 2123h. At 2143 both obs. suspected a faint blink someway W of c.p. Lasted only 2.5m. Other craters examined with no LTP. Observers are dubious of regularity of phenom". NASA catalog weight=2. NASA catalog ID #1048. ALPO/BAA weight=1.
On 1992 May 19 at UT 01:00-02:05 P. Moore (Selsey, UK, 15" reflector, x260) saw at 01:25UT an unmistakable red-orange glow on the south and south-east rim with the "Spur". Apparently Chapman (Kent, UK) detected it easily. At 01:33UT the colour was barely visible. No TLP alert was issued because the souther edge of Mons Pico also exhibited a hint of colour, and anyway the seeing conditions were poor. Despite this no other features revealed colour. The Cameron 2006 catalog ID=446 and the weight=0. The ALPO/BAA weight=1.
On 1992 May 19 at UT 01:00-02:05 P. Moore (Selsey, UK, 15" reflector, x260) noted that the southern slope of Mons Pico had a tint of colour. No other features revealed colour apart from Aristarcus, where a TLP was going on. The Cameron 2006 catalog ID=446 and the weight=0. The ALPO/BAA weight=1.
On 1992 Feb 21 at 03:00-03:55UT C. Brook (Plymouth, UK, 3" refractor x116, seeing II) found that Janssen K was very bright. Cameron 2006 catalog extension ID=441 and weight=2. ALPO/BAA weight=1.
On 1993 Dec 31 at UT 05:00-07:40 S. Beaumont (Cambridge, UK, 12" reflector) "saw a patch of hazy light to NW (from c.p. alpha) at 0550 craters B & J shadow of alpha had not reached E wall yet, but at 0536 it did. Alpha > at 0550. Craters B & J to SE had faded, vanished at 0630. Hazy patch remained around peak, alpha low mainly to NE like a comet's tail. Slightly reddish fringe to E wall. (shown in sketch)". The above has been quoted in full from the Cmeron catalog because the catalog desription is slightly ambiguous and any attempted summary might make the description more unreliable. The cameron 2006 catalog ID=470 and the weight=3. The ALPO/BAA weight=2.
In 1790 Mar 03 at 22:00 UT Wilkins (England?) observed Herschel's 1787 lumninous point (Aristarchus) in the same place. The Cameron 1978 catalog ID=67 and weight=4. The ALPO/BAA weight=2.
Atlas 1969 Aug 01 UT 03:36-04:00 Observed by Pither (Nottinghamshire, England) NASA catalog reports: "Eng. moon blink in crater at 0336h close to E. wall, NE of central feature. Oval in shape & dirty brownish color & hazy. Started fading at 0345h but may have been due to dawn, Neg results on other features, (Apollo 11 watch)." 12" x450 reflector used. NASA catalog weight=3. NASA catalog TLP ID No. #1195. ALPO/BAA weight=3.
Gassendi 1966 Sep 02 UT 22:55-02:55 Observed by Moseley, Moore, Gill, Harris, Frost and Hall (Armagh, Northern Ireland, 10" refractor + Moon Blink, Seeing=fair) and by Cave (England using a Moon blink) "Eng. Moonblink sys. detected red glows on c.p. & around it; seen vis. too. (Corralitos obs.at the time? did not see anything?)" Note that the Arnagh observers were all using the same telesope, The observing times of M. Cave are not given but they saw a blink SW of the central peaks. NASA catalog ID 972. NASA catalog weight=5. ALPO/BAA weight=3.
Aristarchus 1969 Aug 01 UTC 04:40-05:38 Observed by C. Pamplona e J. Barbosa(Fortaleza, Brazil using 12" x235 and 5" x100 reflectors) - NASA catalog reports: "Enhanced area in SE wall, no pulsation, no color. Usually NW wall is brightest. After 0538h NW region was brightest again, (Apollo 11 watch, indep. confirm. ?)" NASA catalog weight=3. NASA catalog TLP ID No. # 1196. ALPO/BAA weight=2.
Gassendi 1966 Sep 03 UT 01:11-01:46 Observers: Moore (Armagh, N. Ireland, 5 & 12" reflectors), Moseley (Armagh, N. Ireland, 10" refractor), Corralitos Observatory (B.Middlehurst, Organ Pass, NM, USA, 24" reflector), Cave , Gill (UK? 6" reflector x365), "Eng. moon blink sys. detected red glows on c.p. & round it. Independently seen by Cave. Not confirmed by Corralitos M.B." NASA catalog ID#975, NASA weight=5. ALPO/BAA weight=4.
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.
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.
Alphonsus 1958 Nov 29 UTC 22:00? Observed by Wilkins (Kent, UK, 15" reflector) "Near site of Kozyrev's outbreak saw a circular patch, black pit center, & red, round masses all around it." NASA catalog weight=4. NASA catalog ID #708.ALPO/BAA weight=3.
On 1980 Sep 28 at UT05:00-07:00 W. Steed (Ocean City, MD, USA, 3" refractor, x45 and x220) detected a "tower-like" feature on the east rim of Mouchez crater, and appeared about 2-3x higher than other mountains nearby. The Cameron 2006 catalog ID=112 and the weight=1. The ALPO/BAA weight=1.
Near Aristarchus 1970 Mar 26 UT 17:00 Observed by Sekiguchi, Maisumoto (Tokyo, Japan, 36" reflector) "Pts. N & S of crater were brighter by 0.3 & 0.2 mag. respectively than normal -- far beyond limits of error. Color index (CI) also showed less depend. on phase by 0.1-0.2 mag. Did not show reddening dur. enhancement. Polariz. was less by 1-2%. Photog. photom. showed brightening over whole moon. Resolution = 2,3 km" NASA catalog weight=5 and catalog ID #1236. ALPO/BAA weight=3.
North of Kepler 1970 Mar 26 UT 17:00 Observed by Sekiguchi, Maisumoto (Tokyo, Japan, 36" reflector) "Photog. photom. showed brightening over whole moon. CI N. of Kepler enhanced by 0.5 mag. Resolution = 2,3 km" NASA catalog weight=5 (Very high). NASA catalog ID #1236.
Aristarchus 1971 Jun 13 UT 08:21 Observed by Bartlett (Baltimore, MD, USA, 4" reflector x51, x93, x121) "S. part of floor was brownish & granulated" NASA catalog weight=4 (high). NASA catalog ID #1296.
Gassendi 1971 Jun 13 UT 07:22-08:05 Observed by Raimundo Nonato da Silva (Parnaiba, Brazil, 9.5" reflector, x180) "At 0755h variation on W.(IAU?) edge of crater "brightness seemed to become a little darker" as it was gugacious (foggy?), Was not sure it was a LTP. Other features & it were normal from 0658- 0755h". NASA catalog weight=1. NASA catalog ID 1295. ALPO/BAA weight=1.
Aristarchus 1978 Nov 19 UT 22:40-23:05 Observed by Pedler (UK, 12.5" reflector, x200, seeing fair) Blue colour seen and could not focus on this part, where as other craters were nice and sharp in this filter. Aristarchus darker in red light. all other craters were normal in red. Attempts to change the eyepiece did not make any difference to the blue colour. Cameron 2005 catalog ID=43 and weight=4. ALPO/BAA weight=3.
1964 Jul 29 UT 05:40-06:06 Observed by Bartlett (Baltimore, MD, USA) "Nimbus only -- dark viol. hue. S.floor granulated, dull -- 6 bright. Faint yellow-brown tinge. Rest of crater 8." S=6, T=3- 2. NASA catalog weight=4. NASA catalog ID #838. ALPO/BAA weight=2.
Aristarchus 1978 Nov 20 UTC 03:00-05:00 Observed by Foley (Kent, UK, no spurious colour, Seeing Antoniadi II and transparency good.) - colouration seen: very bright violet spot on the north west interior. No brightness variations seen. The Cameron 2006 catalog ID=44 and weight=. The ALPO/BAA weight=3. ALPO/BAA weight=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.
On 1891 Sep 23 at UT 22:00 Pickering, based at Arequipa, Peru, and using a 12" reflector, saw in Schroter's Valley and the vicinity "Varitions in vapor column. Drawings. Time estimated from given colongitude)." Cameron 1978 catalog ID=272 and weight=1. ALPO/BAA weight=1.
On 1995 Apr 03 at UT 03:30 Unknown Observer (Transparency good) saw a darkening in the Cobra Head, Schroter's valley area of Aristarchus - the best example that he had ever seen. The Cameron 2006 catalog ID=474 and the weight=3. The ALPO/BAA weight=. Reference - BAA Lunar Section circular 1995 Oct, p125 and personal communication from David Darling to the BAA on 6/6/1995. Note it is uncertain whether this refers to the Clementine mission or to somebody who observed during the Clementine mission, or somebody with that surname. Anyway if it is the Clementine mission then the date is wrong - possibly the year should have been 1994? The Cameron catalogue does actually mention a TIFF on Clementine mission? The Cameron 2006 catalog ID=474 and the weight=3. I am assuming that the year should be 1994 and not 1995? The ALPO/BAA catalog weight=1 until we can find out what the correct date is?
Aristarchus 1964 Jul 31 UT 02:00-02:23 Observed by Bartlett (Baltimore, MD, USA, 5" reflector x180) "Deep ravine on E.glacis interrupted midway of its length by apparent break just below rim of craterlet assoc. with EWBS. Normally, ravine is seen continuous. Probable obscuration at pt, of break." S=7, T=5. NASA catalog weight=4. NASA catalog ID #834. ALPO/BAA weight=2.
Triesnecker 1966 Jul 10 UTC 02:00-02:15 Observed by Allen (Cambridge, England) and other observations by Corralitos Observatory (Organ Pass, NM, USA). Described in NASA catalog as: "Faint illum. of a ridge in shadow; faded quickly (in BAA judged dubious). Not confirmed by Corralitos MB." 12?" refractor (x280) used at Cambridge and at Corralitos 24" reflector. NASA catalog weight=1 (very low). NASA catalog TLP ID No. #956.
On 1996 Feb 12 at UT 07:30-08:27 J.Sandel (Caycee, SC, USA) noted a contrast effect inside Tycho at sunset. At 07:30UT there was a slight, but definite illumination of small areas of the crater floor west of the central; peak. Also seen by T. Ferrel (Lawrenceville, GA, USA, SCT C8). This was oval in shape and gray in colour - Ferrel noted some diffuseness. It brightened over 30 minutes. At 08:11UT a definite brightness fade noted in Tycho's central peak. The crater floor had increased illumination of entire crater floor. ALPO/BAA weight=3.
On 1944 Aug 12 at UT 04:00 H.P. Wilkins (Kent, UK, 8.52" reflector) observed that central craterlet in Plato was unusually bright and shows up as a bright white spot on his sketch - though this might have been artistic license in his sketch. His written notes refer to the unusual lack of a rim (especially the northern part) to this craterlet. The ALPO/BAA weight=2.
Aristarchus 1970 Jul 26 UT 15:00? Observed by Sekiyuchi (Tokyo, Japan, 36" reflector) "Polarimetric and photoeletric anomalies on Moon" NASA catalog weight=5. NASA catalog ID #1268. ALPO/BAA weight=5.
Herodotus 1969 Aug 09 UTC 03:00-04:03 Observed by Gomez (Sabadell, Spain) desribed in NASA catalog as: "Bright point on SE wall at 0300h, gone at 0322h. Brightened in blink device (Eng.) at 3:30:50, 3:41:36, 04:03:21" 12" reflector x155,x258,x388. Average weight=3 in NASA Catalog. ALPO/BAA weight=2,
Gauss 1968 Sep 18 UT 08:00? Observed by Chilton (Hamilton, Canada, 11" reflector) "Observing thru polaroid filter, E. (IAU?) wall was invis; but became vis. when filter was rotated, indicating refl. of polarized light. Same area examined since, but no such phenomenon." NASA catalog weight=3 (average). NASA catalog ID #1090.
On 1982 Jul 18 at UT 04:12-04:22 A. Ansari (Queen Mary College London, UK, a naked eye observation), upon examining the cresecent Moon, detected a bright flash from the Plato region. Two more flashes were seen at 04:22, about a second apart, and the latter was the fainter. The Cameron 2006 catalog ID=176 and weight=3. The ALPO/BAA weight=2.