1877 Mar 17 UT06:45 Dennett (England) found that the S.cusp showed traces of an atmosphere. NASA catalog weight=2. ALPO/BAA weight=2.
Heywood of Wheatville, Ohio, USA, using a 2" refractor under fair seeing conditions, saw a misty light on the dark limb (similar to Cameron's 1978 catalog TLP 239). The effect had narrowed down on the 30th. Cameron comments : "old moon in new moon's arms?". Cameron 1978 catalog TLP ID=242 and weight=1. ALPO/BAA weight=1.
On 1982 Dec 18 at UT 15:00? Arsyukhin (Moscow, Russia, 3" reflector) found that the northern cusp was protruded onto the dark side as a blue thread. The Earthshine was brown in colour. The Cameron 2006 catalog ID=191 and weight=2. The ALPO/BAA weight=2.
On 1982 Dec 18 at UT 15:00? Arsyukhin (Moscow, Russia, 3" reflector) found that the southern cusp was protruded onto the dark side as as a blue thread. The Earthshine was brown in colour. The Cameron 2006 catalog ID=191 and weight=2. The ALPO/BAA weight=2.
On 1990 Feb 28 at UT 00:05-00:13 D. Darling (Sun Praire, WI, USA, 3" refractor, c36) observed Aristarchus "flare up several times 2x > before". Cameron suspects that this is due to cloud cover reflectivity on the limb of the Earth. The Cameron 2006 catalog ID=391 and the weight=0. The ALPO/BAA weight=1.
On 1990 Feb 28 at UT 00:05-00:13 D. Fryback (Madison, WI, USA, 8" reflector) noted that Lambert crater looked like a 9th magnitude star- like point of light. The Cameron 2006 catalog ID=391 and the weight=0. ALPO/BAA weight=1.
Leibnitz Mountains 1955 May 24 UT 21:30-22:00 Observed by Firsoff (Somerset, England 6.5" reflector, x240, seeing = very good). "Changing lights over a period of time, lunar aurora? Beyond cusps were 2 bright pts. 1 was sparkling and dancing and weaker intensity. Then a faint beam detached itself & shot up vertically, becoming more intense but faded at the base. Total length @ 160 km. Endured for > 2 s. Due to telescope spider or lunar aurora?" NASA catalog weight=4 (good). NASA catalog ID #593.
On 1981 Jan 09 at UT 00:30-00:45 D. Darling (Sun Praire, WI, USA, 12.5" reflector, seeing=8/10, transparency clear, but Moon low at 7 deg above the horizon) found that despite Aristarchus being seen to be bright in Earthshine, it was not as bright as Menelaus and Manilius. Cameron 2006 catalog ID=121 and weight=1. ALPO/BAA weight=1.
On 1981 Jan 09 at UT 00:30-00:45 D. Darling (Sun Praire, WI, USA, 12.5" reflector, seeing=8/10 and the sky was clear - the Moon was at 7deg altitude though) saw that Manilius outshone Aristarchus - or was it that Aristarchus was especially faint tonight? Manilius could be seen even when the illuminated part of the Moon was in the eyepiece. The Cameron 2006 catalog ID=121 and weight=1. The ALPO/BAA weight=1.
On 1981 Jan 09 at UT 00:30-00:45 D. Darling (Sun Praire, WI, USA, 12.5" reflector, seeing=8/10 and the sky was clear - the Moon was at 7 deg altitude though) saw that Menelaus outshone Aristarchus - or was it that Aristarchus was especially faint tonight? Menelaus could be seen even when the illuminated part of the Moon was in the eyepiece. The Cameron 2006 catalog ID=121 and weight=1. The ALPO/BAA weight=1.
In 1965 Jul 02 at UT 04:20-05:50 Albert and Welch (Azuss, CA, USA, 8" reflector, x375) and Emanuel (West Covina, CA, USA, 4.5" reflector) observed 4th magnitude star-like flashes to blotches in Aristarchus, in ashen light. Cameron says that this is independent confirmation and also that the date in MBMW is 7/1/65 which is local time + 2nd UT. The Cameron 1978 catalog ID=881 and weight=3. The ALPO/BAA weight=3.
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.
Heywood of Wheatville, Ohio, USA, using a 2" refractor under fair seeing conditions, saw a misty light on the dark limb (similar to Cameron's 1978 catalog TLP 239). The effect had narrowed down on the 30th. Cameron comments : "old moon in new moon's arms?". Cameron 1978 catalog TLP ID=242 and weight=1. ALPO/BAA weight=1.
Proclus 1955 May 25 UT 19:30 Observed by Firsoff (Somerset, England, 6.5" reflector x240, seing=very good) "E. (IAU?) wall equally bright in red and green filters, dull in blue, invisible in violet. (in p.c. time given is 0730UT, but must have been 7:30PM loc. time." NASA catalog weight=4 (good). Cameron 1978 catalog ID=594 and weight=4. The ALPO/BAA weight=3.
Om 1990 Mar 01 at UT 00:59-02:20 D. Darling (Sun Praire, WI, USA, 3" refractor, x36) observed that Aristarchus could barely be seen, but at 02:15 UT it brightened by about two times. Note that brightening might refer to Lambert - it is worded in an ambiguous way in Cameron's catalog). The Cameron 2006 catalog ID=392 and weight=0. The ALPO/BAA weight=1.
Om 1990 Mar 01 at UT 00:59-02:20 D. Fryback (Madison, WI, USA, 8" reflector) observed that Lambert was a star-like point, but later saw it brighten up (02:15UT) by two times (note that this brightening might refer to Aristarchus - it is worded in an ambiguous way in Cameron's catalog). The Cameron 2006 catalog ID=392 and weight=0. The ALPO/BAA weight=1.
On 1991 Jan 29 at UT17:56-18:01 A.C. Cook (Frimley, UK, 20cm reflector + image intensified CCD camera, transparency moderate to very poor) observed that Aristarchus was fainter than a nearby magnitude 7.3 star (SAO 146315) and may have varied in brightness and size. However the image intensifier output was quite grainy. No obvious signs of impact flashes or cosmic rays seen during a visual inspection of the video tape recorded. Foley commented that from UT 18:53-19:10 the Earthshine was strong with the naked eye and Aristarchus was bright as expected. The Cameron 2006 catalog ID=418 and weight=0. The ALPO/BAA weight=1.
On 1991 Jan 29 at UT17:56-18:01 A.C. Cook (Frimley, UK, 20cm reflector + image intensified CCD camera, transparency moderate to very poor) observed that a bright spot near Griomaldi appeared to vary in brightness - however a possible explanation was found because the image intensifier was found to vary in sensitivity across its imaging surface. The Cameron 2006 catalog ID=418 and weight=0. 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 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.
Proclus C region 1985 May 23 UT 17:41 Photographed by Kolovos (observer from Thessoloniki, Greece, observing site near Bafra Serrain, Greece, 4"refractor, seeing excellent) "Observer took a series of expousres on a portable scope of the Moon. On one of them a very bright slightly elliptical spot was seen. Spot was very close to the Proclus C crater. Upon analysis it was claimed that the spot of light had rotated the direction of illumination of shadows in adjacent craters - however subsequent analysis casts doubt on this. Papers on this report were published in Icarus. Rast and Maley suggested that it was sun glint off a spinning US ex-military weather satellite that just by chance came across the field of view of the Moon a few tens of seconds around the time of the photographed flash. Was this a coincidence or not? If it were a satellite sun-glint then the satellite would have to be tumbling incredibly fast in order for the flash to be so sharp in the photograph - so the satellite explanation is not completely 100% confirmed." The Cameron 2006 catalog ID=273 and the weight=5. The ALPO/BAA weight=2.
In 1949 May 02 at UT 03:30-04:00 Barcroft (Madera, CA, USA, 10" reflector, x96) observed in Aristarchus crater, in Earthshine, a dull glow -- silvery phosphorescence.This was not visible for 30 min prior. Cameron comments that this is a confirmation of Wilkins TLP from a few hours earlier? The Cameron 1978 catalog ID=519 and weight=5. The ALPO/BAA weight=2.
In 1965 Jul 03 at UT 04:25-05:34 Emanuel (West Covina, CA, USA, 4.5" reflector) observed 4th magnitude star-like flashes and pulsations coming from Aristarchus. Cameron says this confirmed and that the date in MBMW is 7/2/65 which is local time = 3rd UT. The Cameron 1978 catalog ID=882 and weight=3. The ALPO/BAA weight=3.
On 1990 Jun 27 at UT02:17-03:00 D. Darling (Sparta, WI, USA, 3" refractor, x36) reported that the crater had "Flared up at 0225 as a point of light then went down" - the effect was fairly brief. Earthshine was quite clearly seen and all features elsewhere were normal. The Cameron 2006 catalog ID=405 and the weight=0. The ALPo/BAA weight=1.
On 1971 Jul 26 at UT 21:40-22:05 daSilva (Paranaiba, Brazil, 13" refractor, x224, seeing=good and transparency=fair) observed two brilliant points in Aristarchus - the right one was the more brilliant of the two. The observer says that this was not a TLP, but is similar to other reports (Apollo 15 watch). The Cameron 1978 catalog ID=1300 and weight=1. The ALPO/BAA weight=1.
------------ On 1971 Jul 27 at UT 18:30 Miranda (Piaui, Brazil, 4" refractor, Moon at 70deg altitude) observed Beaumont to have a curious brilliance in its interior: suspected a change (Apollo 15 watch?). The Cameron 1978 catalog ID=1301 and weight=2. The ALPO/BAA weight=2.
McClure vicinity 1976 Apr 04 UT 19:36-2009 Observed by McKay (England, 3" refractor, x160), Savill (England, 10x50 binoculars), Moore (Sussex, England, 15" reflector, x360, seeing II), Buss (England, 6" reflector), Brady (England, 8" reflector), Ross (England), Foley (Kent, England, 12" reflector) "Noted a fuzzy, glowing spot at 1936h at 160x. 2 min later, spot grew larger & flashed up to very bright. Changed power to 106x, & 80x, still vis. Spot faded 10 m later, then suddenly flashed up again. 5 m later it faded again & disappeared at 1959h. At 2006h returned to fuzzy, glowing spot then disappeared at 2009h, never to reappear. Some obs. confirmed, others did not. Photos afterward don't show anything, nor did blink aftwerward." Moore though nothing unusual. NASA catalog weight=5. NASA catalog ID # 1431. ALPO/BAA weight=3.
On 1885 Feb 19 at UT 19:00-20:00, Gray of England?, saw a small crater (in it?) that was dull red with vivid contrast. The Cameron 1978 catalog ID is 247 and the weight=3. The ALPO/BAA weight=3.
On 1965 Oct 30 at UT 0200 Eastman (Palos Verdes, CA, USA, 12" reflector) observed a brightening in Aristarchus in ashen light. The photographs that were taken show it. The phenomenon was seen each lunation since July. The Cameron 1978 catalog ID=908 and weight=5. The ALPO/BAA weight=2.
On 2009 Mar 01 at UT 18:50-21:00 G. Smith (East Yorkshire, UK, 127mm Maksutov Cassegrain telescope with zoom eyepiece and later a Plossl eyepiece) observed an area between Plato and Sinus Iridum to be glowing as a bright nebulous patch. It was brighter than anything else in Eartshine. A change in eyepiece did not affect the appearance of the nebulous patch. The patch had faded somewhat by 21:00UT. The observers brother attempted to observe the patch through a 114mm reflector at 20:30UT but the optics were of poor quality and the effect was not seen. BAA observers were alerted, but only after the event had faded - they made observations from 22:00-23:46 UT but failed to detect anything unusual in the region concerned. The ALPO/BAA weight=1. This may have been a mis-identification with Aristarchus - however we cannot be 100% sure.
In 1965 Jul 04 at UT 03:53-05:59 Gridley, Welch (West Covina, CA, USA, 4.5" and 8" reflector, seeing=excellent), Albert (CA, 8" reflector, x375) and Emanuel (8" reflector) observed star-like flashes in Aristarchus crater. Cameron says this confirmed and that the date in MBMW is 7/3/65 which is local time = 4th UT also but is in error due to misreading of handwriting. The Cameron 1978 catalog ID=883 and weight=3. The ALPO/BAA weight=3.
Posidonius 1821 Apr 07 UTC 18:00? Observed by Gruithuisen (Munich, Germany) "Small bright crater in it was shadowless. Schroter also saw it shadowless several X" NASA catalog weight=4 (good). NASA catalog ID #87. ALPO/BAA weight=3.
On 1881 May 04 at UT 20:00? Trouvelot (Meudon, France) observed an unexplained light inside Eudoxus crater. The Cameron 1978 catalog ID=222 and the weight=3. The ALPO/BAA weight=3.
On 1994 Apr 17 at UT02:00 R. Zit (Madison, WI, USA) whilst observing a grazing lunar occultation, found that Aristarchus (and the surrounding region) was glowing in Earthshine. This was confirmed by D. Weier (Madison, WI, USA) at 02:00 UT also. The ALPO/BAA weight=1.
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 1984 Jul 04 UT 22:08-23:09 Foley (12" reflector, Kent, UK) found that Censorinus gave a low brightness CED reading of 58%, despite all other measured points on the Moon as being normal. M. Cook (Frimley, UK) found Censorinus to be extremely dull compared to Proclus. J.D. Cook (Frimley, UK) found Censorinus to be quite dull, barely above background levels. The Cameron 2006 catalog ID=246 and the weight=4. The ALPO/BAA weight=3.
On 1984 Jul 04 at UT 22:05-23:09 Richardson (Swinton, Yorkshire, UK, seeing=VE) found that a peak west of Theophilus crater had a deep blue colour, and this was strange because no colour was seen elsewhere on the Moon. Foley (Kent, UK, 12" reflector), once alerted, found a dome east of Kant? to be blue, and likewise no colour was seen elsewhere on the Moon. Cameron 2006 catalog ID=246 and the weight=4. The ALPO/BAA weight=3.
On 1984 Jul 04 UT 22:08-23:09 Foley (12" reflector, Kent, UK) found that Torricelli B was a much lower brightness than was expected and this remained the case for the rest of the lunation. The Cameron 2006 catalog ID=246 and the weight=4. The ALPO/BAA weight=1.
Proclus 1877 Mar 21 UT 20:00? Observed by Barrett (England?) described in NASA catalog as: "Brilliant illum. -- not from sun". NASA catalog weight=2. NASA catalog event ID=#188. ALPO/BAA weight=1.
On 1964 Jun 17 at UT 04:15-05:01 Cross et al. (Whittier, CA, USA, 19" ? reflector, S=7-8) observed near Ross D: "Gas cloud. Motion". The Cameron 1978 catalog ID=818 and weight=4. The ALPO/BAA weight=4.
Albategnius 1972 Jun 18 UTC 19:20-19:25 Observed by Schnuchel (13.25E, 52.5N, 20x60 binoculars?) "Bright area at the inner N wall, diminution of brightness well observable" S=4 T=4. Ref: Hilbrecht & Kuveler Moon & Planets (1984) Vol 30, pp53-61.
Proclus 1972 Jun 18 UTC 20:50-21:15 Observed by Kern (8.75E, 48.25N, 60mm refractor) "Yellow to white bright pattern at the NW wall, visible only occasionally" S=4, T=3 Ref: Hilbrecht & Kuveler Moon & Planets (1984) Vol 30, pp53-61.
Censorinus 1984 Jul 05 UT 21:05-21:25 Observed by Cook (24" reflector with line scan photodiode array at Mill Hill observatory, London) "Two line scan photodiode array images were taken which used the motion of the Moon to build up an image. The first image at 21:25UT did not include all of Censorinus, but the part that it did include was not very bright. The 21:25UT image did include all of Censorinus and the crater was bright, including the part that was just visible in the previous image. Possibly the seeing was worse at 21:05? and this could explain the brightness descrepency, but it is worth checking again by taking images at the same illumination conditions" BAA Lunar Section report. At 21:17 M. Cook (Frimley, UK) found Proclus to be brighter than Censorinus (more so than the previous night) and obtained variable readings for Censorinus. Cameron 2006 catalog ID=247 and weight=3. ALPO/BAA weight=2.
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.
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.
On 1965 Jul 08 at 01:00?UT a white streak was seen in Grimaldi, extended towards the limb. This was observed by Rubens de Azevedo, et. al., Brazil. The Cameron 1978 catalog ID=884 and weight=3. ALPO/BAA weight=2.
On 1975 May 18 at UT2115-2145 C. Lord (St Annes-on-sea, Lancashire, UK, 76mm f/16 refractor, x170, Wratten 25, and 44a Moon blink filters used, Transparency 4.5/5, no wind, S=F). The west flank of Maginus, and the interior, appeared to be partly obscured. No other features in a similar position along the terminator were obscured. No colour blink was detected with the filters, though a pronounced red/white light blink was noted; the device employed a N.D. x4 filter. By 21:45UT the floor was no longer obscured and only Magninus G was masked in a white haze; however immediately adjacent to the terminator was an ill defined misty patch lying where the outer flank of maginus would have been visible. The rest of the terminator was sharp. The obscuration was only seen to advantage in blue and int. light, and the blue/int blink was only very slight. Findlay and McDonnell observed 21:30-23:00 using a 25cm refractor (Seeing II- III) but failed to see anything unsual. NASA catalog weight=3. NASA catalog ID #1407. ALPO/BAA weight=2.
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.
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.
Piton 1961 Jan 25? UTC 00:00? Observed by Schneller (Cleveland, Ohio, USA, 8" x53) "Red obscuration concealing peak, @10mi sq (if near SR, date is 27th; ancilary data given for 27th -- date not given)" NASA catalog weight=3 (average). NASA catalog ID #731.
Alphonsus 1968 May 05 UTC 20:00 Observed by Farrant (Cambridge, England, 8" reflector, x220, Seeing: Good). "Did not see gray patch SE (ast. ?) of c.p. Noted W. (ast. ?) dark patch was invis. while S. one was seen easily, emerging from shadow. On 7th all seen easily, emerging from shadow. On 7th all 3 clearly vis. with the darkest one the invos. one on 5th." NASA catalog weight=3 (average). NASA catalog ID #1071.
Proclus 1984 Jul 06 UT 20:29-20:43 light green spot observed by Madej (England) in the central region. No colour seen elsewhere. At 20:10 Foley (Kent, UK, 12" reflector) had seen a small extending of darkening in the south east floor (not present 2 hours before) and a lot of fine detail - though everything was normal again by 22:50UT. At 22:15 Amery (Reading, UK) found a large dark spot on the south east floor. Other observers: J and A.cook (Frimley, England) could not confirm but their seeing was IV and tranparency was poor" Mobberley found no colour and also no detail on the floor. BAA Lunar Section Report. Cameron 2006 catalog ID=248 and weight=3. ALPO/BAA weight=3.
On 1979 Sep 29 at UT10:00-12:00 S. Turner (Maryborough, Australia) observed a strong beacon like flash in white light that moved back and forth in the east wall of Plato (very bright) and Mons Pico. tried changing eyepiece and the field of view, but this wasn't the cause of the effect. A check at 11:07UT did not show the effect, but it was back again by 11:18UT being more pronounced at Mons Pico than the east wall of Plato. SSW of Mons Pico was also blinking slightly. At 11:32 the blinking effect was irregular 5-10 sec and this continued until 12:00UT. Cameron 2006 catalog ID=71 and weight=0 but she suggests atmospheric scintillation as a cause. ALPO/BAA weight=1.
On 1979 Sep 29 at UT10:00-12:00 S. Turner (Maryborough, Australia) observed a strong beacon like flash in white light that moved back and forth in the east wall of Plato (very bright) and Mons Pico. tried changing eyepiece and the field of view, but this wasn't the cause of the effect. A check at 11:07UT did not show the effect, but it was back again by 11:18UT being more pronounced at Mons Pico than the east wall of Plato. SSW of Mons Pico was also blinking slightly. At 11:32 the blinking effect was irregular 5-10 sec and this continued until 12:00UT. Cameron 2006 catalog ID=71 and weight=0 but she suggests atmospheric scintillation as a cause. ALPO/BAA weight=1.
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 1972 Jun 19 UT 21:40-22:30 Observed by S.A. Jones (Swansea, Wales, 12" reflector x150) and Moore (Selsey, England, 12.5" reflector x450) "Noted a bright area in the center. Moore noted nothing unusual & he tho't obs. saw one of permanent light patches" NASA catalog weight=0 (very low). NASA catalog ID # 1336. ALPO/BAA weight=1
Knopp of Paysandu, Uruguay on 1885 Feb 22 at 23:00-23:30? UT saw a definite light, looking like Saturn in Cassini?. The previous night he had seen red patches in the crater. Cameron's 1978 catalog ID=348 and weight=4. ALPO/BAA weight=2.
On 1871 Nov 20 at UT 17:30-19:30 H. Pratt (UK) saw one of the most spectacular TLP obscurations that he had ever seen in Mare Frigoras. He observed a kind of haze around the north west (NE?) slopes of Plato. This effect was not seen elsewhere and all objects in Mare Frigoris were indistinct or veiled. By 18:30 the effect was modified and by 19:30 very little trace was seen. Ref. from Corliss.
Plato 1887 Feb 01 UT 18:00 Observed by Elger (England) "Ill-defined shadow of peaks of W.border-in contrast to sharpness of mts. outside it. Never seen before. Such phenomena occur on floor, but never on ramparts. (Drawing)." NASA catalog weight=4 (high). NASA catalog ID #254. ALPO/BAA catalog weight=1.
Plato 1916 Jul 8 UT 19:00? Observed by Markov (Russia) "Light on the shadow of the bands at the bottom (similar to #362)" NASA catalog weight=3 (average). NASA catalog ID #364. ALPO/BAA weight=2.
Copernicus 1939 Mar 29 UT 19:00-19:15 Observed by Wilkins (Kent, England, 6" reflector) "C.P. diffuse light spot, faint glow s as tho in a luminous mist (3h before SR) Some indication of E.terraces, then vanished." NASA catalog weight=4. NASA catalog ID #447. ALPO/BAA weight=3.
On 1960 Feb 06 at UT14:30 Morozov (Moscow, Russia) saw with the naked eye a bright point inmovable but with brightness variations in dark part of Moon, 3days past first quarter, 2days before SR! (says Cameron). Cameron 1978 catalog ID=728 and weight=3.
On 1965 Jul 08 at 01:00?UT a white streak was seen in Grimaldi, extended towards the limb. This was observed by Rubens de Azevedo, et. al., Brazil. The Cameron 1978 catalog ID=884 and weight=3. ALPO/BAA weight=2.
Plato 1976 Nov 30 UT 19:15 T. Flynn (Edinburgh, UK, 29cm reflector, Wratten 25 and 44a filters) observed that there were two whitish semi-circular tide like marks enclosing two dark patches adjoining the interior west wall The observer was puzzled because if these were two masses of spawning foot hills, then why would the cental areas, presumably the higher parts, be dark - when the contrary is usually the case? ALPO.BAA weight=1.
On 1992 Jun 09 at UT 18:52 G. Kolovos, Thessaloniki, 40.63111N, 22.9597W, height 28m, Greece) photographed two blue spots on the terminator region of the Moon in one of a series of Ektachrome film pictures. The rest of the Moon was a white-yellow colour. The ALPO/BAA weight=1.
On 1994 Apr 20 at UT 01:31 D. Darling (Sun Praire, WI, USA) found that Picard crater was surrounded by a dark nebulous patch - it was impossible to resolve detail inside this dark zone. The ALPO/BAA weight=1.
Copernicus 1976 Nov 30 UT 19:40 T. Flynn (Edinburgh, UK, 29cm reflector, Wratten 25 and 44a filters) observed that the Copernicus craterlet chains werebetter seen through a red filter than a blue. ALPO.BAA weight=1.
Purbach 1976 Nov 30 UT 19:40 T. Flynn (Edinburgh, UK, 29cm reflector, Wratten 25 and 44a filters) observed that the crater interior was better see through a red filter than a blue. ALPO.BAA weight=1.
On 1971 Jul 31 at UT 21:40 (18:40 local time?) Miranda (Plaui, Brazil, 4" Refractor, 80x, 160x, Moon 70deg in altitude) observed an intermittent and curious brilliance on top of a peak (with irregular reflection) north of Mons Hadley (5E, 27N). The Cameron 1978 catalog ID=1302 and weight=2. The ALPO/BAA weight=2.
Plato 1932 Apr 15 UT 06:57 Observed by A.V. Goddard & friend (Portland, Oregon, USA, 16" telescope, S=G steady) "Sudden appearance of a white spot like a cloud of steam (in appearance only), and in less than a minute it had spread in a NW direction, until it almost reached the rim of the crater" NASA catalog weight=4. NASA catalog ID #403. ALPO/BAA weight=4.
On 1969 Mar 27 at UT 18:42-18:47 Ringsdore (England, 15" reflector, x350), Moseley (Armagh, Northern Ireland) and P. Moore (Selsey, UK) observed nothing unusual in Alphonsus at 18:40UT, but at 18:45UT Ringsdore saw a blurring. At 18:43UT Mosely saw a reddush-orange patch and this was confirmed by Moore. NNW of the central peak, Mosely got a blink, but Moore did not because of too much stray light. The colour was like Jupiter's red spot, but less pronounced. The Cameron 1978 catalog ID=1118 and weight=5. The ALPO/BAA weight=4.
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.
On 1993 Jan 02 at UT 17:42 A. Dollfus (Meudon, France, 1m aperture telescope used) detected evidence for a dust cloud in Langrenous crater using CCD polarimetry. The ALPO/BAA weight=4.
On 1974 Jan 03 at UT 18:30 a Norwegian amateur astronomer, Hoydalsvik (Hakonsgate, in West Norway, 60mm refractor) photographed the Moon using High Speed Ektacrome (400ASA) film with good focus. The TLP was located on the southern slope of Sasserides H and was pink in colour with some bluish in it. The coloured area was circular with a diameter of 0.5 minutes of arc. Only one exposure was taken. The photograph was checked by the Institute of Theoretical Astrophysics, University of Oslo. Although they thought it was probably genuine (could have been an impact flash?) suggestions by the BAA lunar section favoured static electrical discharge on the film. It is uncertain whether the film was ever examined by a Photographic developing lab such as Kodak, who would be able to tell if it was real or an artefact. ALPO/BAA weight=1.
Tycho 1998 Feb 06 UT 22:48-22:54 R. Braga (Corsica (MI), Italy, 102mm f8.8 refractor, x180, with diagonal, Wratten 23A, 80A and an OR5 filter, seeing II, Transparency good). Observer noticed that the floor darkened towards the NW (IAU), particularly with the blue Wratten 80A filter. The ALPO/BAA weight=1.
Gassendi 1967 Oct 13 UTC 19:17-20:00 Observers: Henshaw (Mansfield, UK, 8.5" reflector x112) and Corralitos Observator (Organ Pass, NM, USA, 24" reflector) "Phenomenon (brightening ?) nr. NW (ast. ?) lasting for 3s. Cont'd for 45m but nothing else unusual, (nr. Gass or in it?). Corralitos MB did not confirm." NASA catalog weight=3 (average). NASA catalog ID #1050.
Plato 1968 May 07 UTC 20:48-21:05 Observed by Farrant (Cambridge, England, 8" reflector x220) "Red color No. of landslip in W. wall seen in blink & vis. Vanished by 2105h. Had not returned at 2125. (Moore has wrong date in his extended catalog.)." NASA catalog weight=3. NASA catalog ID #1074.
South of Copernicus 1972 Feb 24 UT 19:30-20:00 Observed by McConnell (England, 6" reflector, x195, seeing=good) "White spot just S. of Cop. about same size as Copernicus H (@ 5km), (there is a bright area or mt. SW of Cop. H)." NASA catalog weight=1 (very low). NASA catalog ID 1323.
On 1984 Jul 08 at UT 20:10-22:05 P. Moore (Selsey, UK, seeing IV-V) suspected that the floor of Proclus was slightly darker than normal. The Cameron 2006 catalog ID=249 and the weight=1. The ALPO/BAA weight=1.
On 1994 Apr 21 at UT 06:00 W, Cameron (Sedona, USA) detected a reddiah colour on Pronontorium Laplace, This is TLP event No. 9 in the ALPO Clementine LTP program Nov 1994. The ALPO/BAA weight=2.
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.
On 1982 Aug 01 at 00:00-01:00 K. Marshall (Medellin, Columbia, 12" reflector, seeing I-II) noted shading on the east floor of Plato that was apparently lighter than the rest of the floor and this was seen at both low and high magnifications. Foley notes that this was unusual. There were three craterlets visible on the floor - the central one was the brightest. Cameron 1978 catalog ID=178 and weight=3. ALPO/BAA weight=1.
Plato 1872 Jul 16 UTC 21:00? Observed by Pratt (England?) "NW portion of floor was hazy" NASA catalog weight=3 (average). NASA catalog ID # 179.
A.S.Williams of West Brighton, UK, using a 5.25" Calver, x150 and definition fairly good. Observer noticed that the Mare seemed covered with a close network of innumerable streaks, and spotted with countless numbers of light specks, so that it would hardly be possible to delineate them all in one night. The spots and streaks together must have numbered ~1000. The observer had never seen anything like the number of spots and streaks. Peirce A, was not at all easy to see and neighboring spots almost as bright made it difficult to distinguish which one was Peirce A. ALPO/BAA weight=3.
On 1976 Apr 10 at 21:15-21:49UT S.Spencer (60mm refractor x60, seeing quite good) noticed a faint red glow at the south west wall of Gassendi covering a span of about 35 deg arc. The observer had some doubts about this because they were using a small telescope, but thought that they ought to report it, just in case. A BAA Lunar Section report. ALPO/BAA weight=1.
On 1985 May 30 at UT 20:10-23:54 P.Moore (Selsey, UK, 15" reflector) and at the same time Doherty (Sussex, UK, 15" reflector) observed a strangely bright and pink/red north rim of Aristarchus crater during UT20:20 and 20:36UT. The effect reduced between ~20:39 and 20:44UT. M.C. Cook (Frimley, UK) found the northern wall to have a red/purple colour but the effect vanished after 50 minutes. Cook also saw a "V"- like notch in the NW crater shadow and this appeared to be bigger than normal. G. North (Sussex, UK) saw a tinge of pink colour on the northern rim and a bit later a "ruby red" colour on the north-west wall - again this effect lasted 50 minutes. Moseley verified the colour. Finally M. Hather (Yorkshire, UK) suspected the north wall of Aristarchus to be blue in colour. Cameron suspects that this TLP is not spurious colour because it is in the wrong place. The Cameron 2006 catalog ID=276 and the weight=5. The ALPO/BAA weight=4.
On 1985 May 30 P.Madej (Huddersfield, UK, 77mm refractor, x111 and x250, seeing II-III, transparency good) whole spectrum of colours seen on the central peak area, visible in both eyepieces, and was more prominent at the higher magnification. Not aware if the observer checked for this effects on other terminator peaks? xALPO/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.
On 1991 Jan 26 at UT 23:38-23:50 D. Darling (Sun Praire, WI, USA, 12.5" reflector, x159 and 3" refractor x90, seeing 5/10, transparency 3/6) found that Aristarchus was brighter through a red filter than through a blue filter on its western wall. He checked Aristarchus in two telecopes and obtained the same result. The Cameron 2006 catalog ID=419 and the weight=4. The ALPO/BAA weight=3.
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 2013 Apr 22 UT 01:39-02:37 P. Zeller (Indianapollis, USA, 10" f/4 reflector, x200, seeing 6, Transparency 3 - scattered cirrus) observed visually (depicted in sketch) the two closely spaced NW wall dark bands) to have a rusty-red hue. The colour of these bands did not change over the period of the observing session. Images were taken, but resolution and image S/N is not sufficient to resolve separate bands here, or to detect colour. The ALPO/BAA weight=1.
On 1981 Aug 11 at UT21:05-21:36 G. North (England, seeing=poor) detected, in green light, a darkening on the floor of Plato. This effect was not seen elsewhere. J-H Robinson (Teighmouth, Devon, UK) detected on the SSE rim (inner and beyond) a triangle that appeared hazy in a wide range of filters at 21:05UT. However at 21:36UT it was only hazy in green and blue light. No similar effect was seen elsewhere. The Cameron 2006 catalog ID=150 and weight=5. The ALPO/BAA weight=3.
On 1984 Nov 05 at UT18:00 Marshall (England) noted that there was no normal brightening on the floor just next to the southern most craterlet. The Cameron 2006 catalog ID=251 and the weight=2. The ALPO/BAA weight=1.
Proclus 1990 Mar 09 UT 00:12-00:13 Observed by Marie Cook (Frimley, UK, 3.5" Questar telescope) observed a "long plume of light" the brightness was the same as the wall region. It went from the southern rim about half of the way across to the centre in the "northerly". The plume feature was not seen at higher magnifications. Change in brightness also noted. The Cameron 2006 catalog ID=394 and the weight=1. The ALPO/BAA weight=1.
On 1994 Apr 23 at UT02:41 D. Fryback (Madison, WI, USA) observed a starlike flash in Alphonsus crater. The ALPO/BAA weight=2.
On 1994 Apr 23 at UT 03:30 the US Navy Clementine Spacecraft, in orbit around the Moon, obtained images of the Cobra Head region of Aristarchus crater that suggested a ~15x colour ratio increase (0.4 microns / 1.0 microns) in comparison with images obtained on 1994 Mar 03. This was presented as a poster paper 18.04 at AAS 31st DPS meeting. However it was later suggested that this was due to incorrect radimetric calibration procedures being followed. The ALPO/BAA weight=1.
Aristarchus 1965 Nov 06 UTC 03:20-03:50, 05:50 Observed by Bartlett (Baltimore, MD, USA, 3" refractor x300, S=6, T=5) "Strong blue-viol. glare on E. & NE wall; dark viol. hue in nimbus. (absent at 0320-0350. Listed as 11/8/55 in both ref. 210 & MBMW, but should be 1965). NASA catalog weight=4, NASA catalog ID #911.
Herodotus 1998 Dec 30 UT 18:50-19:10 observed by J.Knott (Liverpool, UK 22cm Newtonian, x216, seeing II, transparency good). Observer reports a bright spot, as bright as the central peak in Aristarchus on the NW rim of Herodotus at 19:10 (still there at 19:15, but the curious thing was that it was not visible earlier at 18:50? Now there is a bright craterlet here, and the observer doubted if what he had seen was unusual - though we have the rise in brightness o20 minutes to account for? The ALPO/BAA weight=1.
In 1950 Aug 25 at UT 10:55 T.Saheki (Osaka, Japan) observed a stationary yellow-white flash on the Moon of duration 0.2 sec and mag 6.5. Cameron suggests that this was a meteor. The Cameron 1978 catalog ID=536 and weight=0. The ALPO/BAA weight=1.
On 1985 May 31 at UT 20:23-22:00 G. North (Sussex, UK, turbulent seeing) found Torricelli B at 20:23 to be mauve in colour and to be very bright. However the colul had gone by 20:29UT. "Varied in albedo 2s then image blurred at 5-10s (atm) at 2034 became pink). At 21:35UT M. Mobberley (Suffolk, UK) found a white patch in the crater centre and a mag 8 flash was seen (confirmed independently by a 2nd observer ~ 113km away)- there was no shadow. At UT 20:30 P.W. Foley (Kent, UK, 12"reflector, seeing excellent) found no colour, but the brightness was changiong and he confirmed the bright patch on the crater's floor, variable 22:15-22:25UT, "then expanded over rim". The Cameron 2006 catalog ID=277 and weight=5. the ALPO/BAA weight=4.
NE of Philolaus 1948 May 20 UT 22:00-22:15 Observed by Baum (Chester, UK, 4.5" refractor) A distinct reddish tint suddenly appeared to the NE of the crater, and persisted for 15 min, before rapidly fading away. NASA catalog weight=3. NASA catalog ID #505. ALPO/BAA weight=3.
On 1788 May 17 at UT 21:00 Schroter (Lilleanthal, Germany, 210x reflector) observed small depression, 1, near Aristarchus to be a bright spot, similar to Cameron 1978 catalog ID report #45. The Cameron catalog ID=48 and the weight=4. 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.
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.
Herodotus 1965 Jun 11 UTC 21:35-21:40 Observed by Porta, Garau (Mallorca, Baleares, 4" refractor x250) "Red glow in crater at 2140, then clouds stopped obs. After clouds, floor was abnormal rose color" NASA catalog weight=5. NASA catalog ID #879. ALPO/BAA weight=4.
On 1978 Mar 21 at UT 20:57 an Unknown observer observed a TLP in Aristarchus crater. The details for this report are still being looked up in the archives. In view of the uncertain details this TLP has been given an ALPO/BAA weight of 1.
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.
Colour seen between Aristarchus and Herodotus by P. Moore and G. North. ALPO/BAA weight=3.
Aristarchus 2015 Mar 03 UT 23:58 Brendan Shaw (UK) saw a flash on the NW rim of Aristarchus on his computer screen - the camera was working in the near IR. Seeing was not very good at the time. Unfortunately this flash occurred in between imaging sessions. No other flashes seen, despite looking. The observer considerd the possibility that it might have been a cosmic ray detection, but cannot say for sure. The ALPO/BAA TLP weight=1.
On 1994 Apr 24 at UT 03:50 R. Manske (Waunakee, WI, USA) found that the Cobra Head appeared to have an obscuration on the top eastern half. The ALPO/BAA weight=2.
Lichtenberg 1966 Jun 02 UTC 03:05-03:35 Observed by Schneller (Cleveland, Ohio, 8" reflector, slit spectrascope) "Red glow on W. wall (Schnller thinks this is "normal" reddening at SR; however, these vary according to Ricker), (This rep't is the only positive one from alert sent out to observe for J.Green's tidal predictions, See list of neg. obs.)" NASA catalog weight=3 (average). NASA catalog ID #944
Aristarchus 1966 Jun 02 UTC 04:06-04:20 Observed by Jaeger (Hammond, Indianna, 6" reflector) "Brownish-yellow edge on ? rim. 2 other obs. this site saw nothing unusual." NASA catalog weight=2 (low). NASA catalog ID #945.
Vieta 1923 Sep 23 UTC 19:00? Observed by Cernov (Russia, 2 refractors? x94?) "Both dark spots merged together even with 94x magnification. (due to libration &/or seeing?)" NASA catalog weight=1 (low). NASA catalog ID #389.
Marius 1881 Jan 13 UTC 20:00? Observed by Williams (England?, 5.5" reflector) "Speck of light in crater". NASA catalog weight= 3 and catalog ID #220. ALPO/BAA weight=2.
On 1789 Jan 10 at UT 00:00 Seyffer (Germany) observed "a lunar volcano". Cameron comments that this must have been bright as it was near full Moon. The Cameron 1978 catalog ID=56 and weight=4. The ALPO/BAA weight=2.
On 1994 Apr 24 UT08:15 A.T. Brakel (ACT, Australia) noticed that Mare Frigoris appeared darker than the day before. This was during a Clementine watch. The 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.
1963Dec29/30 UT 22:00-03:00. Doherty (Small Thorne, UK) 8.5" reflector, x110, x200 & x274, S=8-8.5, T=8, Moon 57 deg in alt) and 3 others, using the same instrument, saw a bright purple- blue patch in Aristarchus. Other areas checked for colour and none sen elsewhere. Attempts were made to contact observers elsewhere but with no success. Sketch made and shows the patch covering the floor area of Aristarchus and extending out beyond the east rim. Patch was elliptical in shape and the semi-major diameter was approximately 2/3rds of the diameter of Aristarchus, or about 27 km. The event lasted 5 hours and gradually faded. NASA catalog weight=5 (very high quality)". ALPO/BAA weight=4.
Aristarchus 1966 Jun 03 UT 01:00-01:45 Observed by Gordon (2), Delano (Ackerman, PR?, 5" reflector / Massachussets, 3" (x92) & 10" reflector T=4) "Deep blue color on N. wall. S.part of crater was brownish, (not on alert). Delano saw E.wall bright spot unusually bright, confirm, ?" NASA catalog weight=5. NASA catalog ID #947. ALPO/BAA weight=3.
1982 Mar 08 Daniell UT 22:49-22:57 P.Madej (Hudersfield, UK) - A colour and brightness anomaly was seen a TLP alert was put out. Cameron 2006 catalog extension weight=165 and weight=3. ALPO/BAA weight=2.
On 1980 Aug 25 at UT06:55-07:10 Bartlett (Baltimore, MD, USA, 4.5" reflector, x40-150, seeing=4 and transparency=4) found the west wall bands of Aristarchus to be faint initially and at 07:00 a pale red colour appeared suddenly (and lasted for 2 minutes) on the inner south east wall, and then into south west BS to the west BS. "BS" meaning in Bartlett's notation a bright spot. There was no violet glare this time. Cameron 2006 catalog ID=106 and weight=4. ALPO/BAA weight=3.
Timocharis 1955 Jun 4-5 UT 23:30-00:00 Observed by Firsoff (Somerset, England, 5" reflector x70, seeing=poor) "Bright in red filter" NASA catalog weight=4 (high). NASA catalog ID #595.
Aristarchus 1973 Jun 15 UT 06:12-06:21 Observed by Bartlett (Baltimore, MD, USA, 3" refractor x54, x100, x300, x360, S=3, T=3) "Pinkinsh-red glow on F., wall -- weher he usually sees the violet glare. (TLP albedo=7?, normal=5?, nearby plain=1?). All along rim nr. crest & went over EWBS. Wanted to compare a bright spot on Lyell with Aris. wall brighteness. At 0612h pink glow changed to a rust-brown, fading rapidly & gone at 0615h. First time he had ever obs. a red glow. (in 20 yrs)." NASA catalog weight=4 (high). NASA catalog ID #1369.
Aristarchus 1969 Apr 01 UT 18:35 Observed by Kozyrev (Crimea, Ukraine, 40" reflector). "Spectrograms of an unusual red spot on W. slope at ?=.405, eta=.680. Spot = 1-2 km in diam. Molecules identified were N2 & C2. Later thru clouds crater was bluer in Corralitos (New Mexico) MB (confirm. of activity at Ariz. ?)." NASA catalog weight=5. NASA catalog ID #1119. ALPO/BAA weight=5.
On 1984 ??? ?? at UT11:00-12:00 Jean Nicolini (Campinas, Brazil) saw a daylight TLP in Aristarchus crater. The ALPO/BAA weight=1.
Aristarchus 1972 Jun 25 UTC 22:42-22:51 Observed by Quindeau (8deg 35' E, 51deg 25' N, 60mm refractor) "Bright point at NE wall of crater". Ref: Hilbrecht & Kuveler, Earth Moon & Planets, Vol 30, pp53-61 (1984).
On 1977 Mar 04 at UT 20:55-21:18 JH Robinson (Teighmouth, Devon, UK, 26cm reflector, x200, Wratten 25 and 44a filters, seeing steady, transparency varies from fair to very poor and cloud eventually halted observations). Copernicus was very indistinct. All other features examined were normal. This is a BAA Lunar Section observation. ALPO/BAA weight=2.
On 1977 Mar 04 at UT 20:55-21:18 JH Robinson (Teighmouth, Devon, UK, 26cm reflector, x200, Wratten 25 and 44a filters, seeing steady, transparency varies from fair to very poor and cloud eventually halted observations). The floor of Fracastorius is significantly brighter in a red filter than in a blue filter. This is a BAA Lunar Section observation. ALPO/BAA weight=1.
Aristarchus 1959 Mar 24 UT 02:24-02:35 Observed by Bartlett (Baltimore, MD, USA, 4" reflector x180, S=3, T=5) "Strong blue & blue-viol. gl. on E.wall, EWBS, SWBS with intermittent display. At this time he noted in his 5-in L a total disappearance of viol. gl. & reappear. 1 min. later. Altogether, found 4 such occurences in his records, in '54, '57, ' & '59."NASA catalog weight=4. NASA catalog ID #716. 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.
On 1994 Apr 25 at UT11:08 B. Soulsby (Australia) found a darkening on the north floor of Copernicus crater. The ALPO/BAA weight=1.
Aristarchus 1959 Mar 24 UT 04:35-05:15 Observed by Bartlett (Baltimore, MD, USA, 4" reflector x180, S=3, T=5) "Strong blue & blue-viol. gl. on E.wall, EWBS, SWBS with intermittent display. At this time he noted in his 5-in L a total disappearance of viol. gl. & reappear. 1 min. later. Altogether, found 4 such occurences in his records, in '54, '57, ' & '59." NASA catalog weight=4. NASA catalog ID #716. ALPO/BAA weight=2.
Aristarchus 1974 Jan 08/09 UT i18:15-00:00 Observed by Billington (England), Robinson (Devon, England), Amery (REading, England), Moore (Selsey, England) "Orange & viol. hue in crater seen by Billington. Robinson, Amery & Moore reported neg. blink results at this time. (Prob. chrom. aberr., Moore concurs)." NASA catalog weight=0. NASA catalog ID #1386. ALPO/BAA weight=1.
Plato 1944 Sep 03 UTC 03:40 - A.W. Mount (Fort Worth, TX, USA, Conditions good, seeing 6/10) saw a small white bright point of light appear suddenly close to the W. wall of Plato glowed briefly as by far the most conspicuous object in the lunar field of view and vanished quickly after approximately 2 sec. It was star-like in appearance and was stationary on the Moon's surface - about magnitude 6? Angular diameter of the flash was <= 1". Observing conditions good enough to see the central craterlet in Plato. 20cm reflector used. Ref. DJALPO Vol 45, p28 Spring 2003.
On 1893 Sep 25 at UT 21:00? Gaboreau (Paris, France), saw a shaft of light projecting from the Moon. Cameron 1978 catalog ID=281 and weight=0. ALPO/BAA weight=1.
40.5W, 45.7N 1965 Nov 09 UTC 04:59 Observed by McCord (Mt Wilson, CA, USA, 60" reflector + spectrograph) "Line depth anomaly, low compared with 23 other areas". NASA catalog weight=5 (very high). NASA catalog ID #912.
On 1980 Sep 24 at UT 21:13-23:50 P.Moore (Selsey, UK) at 22:45 saw loss of detail in the north west wall, especially in red light, but also slightly in blue light too. By 22:48 there was activity on the crater floor i.e. the four bright spots were visible in white light but not in red. In blue the central spot was seen and there were dark radial streaks to the south wall and south east. At 22:50 there was a loss of detail. Other craters were normal. At 23:08 the floor was dark in red, but some details were visible in blue. the effect had finished by 23:35. At21:34 J-H Robinson found Plato to be normal and no blinks, though floor clearer in red than in blue, however the floor detail had gone by 21:57. Blair suspected a dusty patch in north of Plato, especially in red light. at 21:57 and it started spreading at 21:13, then east at 21:15 and then north. Though it faded at 21:25 but was back again at 21:35, and Moon blink colour filters still gave a reaction at 21:50 - the TLP remained strong until 23:50UT. The Cameron 2006 catalog ID=110 and weight=5. The ALPO/BAA weight=4.
On 1980 Sep 24 at UT21:34 J-J. Robinson (Teighmouth, Devon, UK, 10" reflector, x200, seeing=III) found, using a Moon Blink device, that Fracastorius blinked on the northern side in the red filter. Cameron 2006 catalog ID=110 and weight=5. ALPO/BAA weight=3.
On 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.
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.
Aristarchus 1983 Oct 22 UT 22:00 G.W. Amery, (Reading, UK, Seeing III-IV) found Aristrachus so bright that the CED was unable to give a reading. The crater's interior was also diffuse in appearance. The Cameron 2008 catalog ID=232 and weight=4. The ALPO/BAA weight=3.
Aristarchus 1969 May 03 UTC 07:00? Observed by Smith, Gallivan (Corralitos Observatory, Organ Pass, NM, 24" reflector, photos) "Bluing around crater. Visible on monitor, but immeasurable in photos" NASA catalog weight=5. NASA catalog ID #1125
On 1956 Dec 19 at UT 00:00? an unknown observer apparently saw a TLP somewhere on the Moon. Cameron gives the reference for this as an unnamed AGU meeting. The Cameron 1978 catalog ID=659 and weight=0. The ALPO/BAA weight=1.
On 1980 Sep 25 atUT 20:20-22:14 P. Moore (Selsey, UK, 15"? reflector, seeing=III) found that Mons Pico was bright and had a reddish glow to its south west. The Cameron 2006 catalog ID=111 and weight=0. The ALPO/BAA weight=1.
On 1980 Sep 25 at UT20:20-22:14 P. Moore (Selsey, UK) noticed that the central craterlet was more visible in red than in blue. There was also a streak on the floor that was "shifted to S & W." The floor was dark and Mons Pico was bright. Peters found Plato's floor (and central craterlet) to be dark, and darker in blue than in red, however he was suffereing from spurious colour at his observing site. Cameron 2006 catalog ID=111 and weight=0. ALPO/BAA weight=1.
On 1980 Sep 25 at UT 20:20-22:14 Peters (Kent,UK, x240 and x120, seeing=III) observed Proclus to have an orange tint, however there was a lot of spurious colour in the area. The Cameron 1978 catalog ID=111 and weight=0. The ALPO/BAA weight=1.
On 1977 Oct 28 UT 19:25 V.M. Chernov (Soviet Union) observed that Copernicus was brighter than normal i.e. brighter than Kepler but less bright than Aristarchus. In January and February 1977 both Copernicus and Kepler were of the same brightness. The ALPO/BAA weight=1.
Plato 1869 Aug 23/24? UTC 23:00-01:00? Observed by Gledhill? (Halifax, England, 9" refractor) Group I of craterlets (as designated by several famous obs. before) exhibited notable illumination, accompanied by a single light on a distinct spot. (if obs. similar to Ap 1870 obs. then date =Au 23-24). NASA catalog weight=2 (low). NASA catalog ID #162.
On 1975 Dec ?? at 19:00UT P.W.Foley (Kent, UK), and possibly P. Moore? (Selsey, UK) - unusual events were reported which might have been due to minor structral changes. Albedo=76% (=7.6?). Cameron 1978 catalog ID=1425 and weight=3. ALPO/BAA weight=1.
Aristarchus 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 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.
On 2011 Jan 21 at 22:30UT N.Longshaw (UK, 4" Achromatic refractor, x128 & x160, Seeing III, transparancy average) suspected on the eastern edge of Geminus, on the border of the crater filled shadow and the eastern illuminated rim, a brownish, almost speia hue. This extended for a short distance from the floor shadow into the illuminated rim width and spanned from the north to the south of the crater. For a comparison, Cleomedes was checked but nothing unusual was noticed in its shadow. The observer notes that Elger also saw a warm brown or sepia tone. ALPO/BAA weight=1.
On 1966 Nov 11 at UT05:55-1000 Hall and Johnson (Port Tabacoo, MD, 16" x400, S=VG), Nordling (MD, USA), Genatt (Greenbelt, MD, USA, 6" refractor, x50, 20" reflector x400) and Wagman (Pittsburgh, PA, 30" refractor) observed the folloowing on Aristarchus: "Color ob c.p. detected with Trident MB, not seen vis. at Port Tobacoo. Network alerted & 6 responded. 4 did not see anything unusual; 2 others did & saw red on c.p. in 6-in refr., but not in 20-in refl. at 400x; other saw indistinctness. Port Taboacoo obs. took 5 rolls of film in blue & red & neutral. Phenom. not detectable on them, but focus poor. Blue images had most detail, whereas would expect red or neutral to. Phenom. still present at dawn in Moon Blink device". The Cameron 1978 catalog ID=914 and weight=5. The ALPO/BAA weight=5.
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.
Messier A 1951 Aug 20 UT 01:48-03:00 Observed by P.Moore (England, 8.5" reflector, x350). Bright cloud like circular patch seen on S wall of Messier A. It was the brightest object in the vicinity. Observations ceased due to the Moon setting behind a tree. W.Haas thinks that this effect is not unusual at similar colongitudes. Moore checked again under similar illumination and still considers the Aug 20 appearance abnormal. NASA weight=4. NASA catalog ID #545. ALPO/BAA weight=2.
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.
Plato 1886 Nov 14 UT 21:45 Observed by Lihou (France?) "Brilliant band N-S, area marked G in NE was only slightly visible, poorly defined. Drawing (there were rays on the floor)." NASA catalog weight=3. NASA catalog ID #253. ALPO/BAA weight=3.
On 1980 Aug 29 at UT07:32 D. Loudernack (South Bend, WA, USA, 8" reflector, x140) found the south wall to have a broad dark band (only visible in red light) at its base that covered nearly all of the southern half of the crater. The brightness reading was 8.4 (in blue light) and 4 (in red light). Cameron 2006 catalog ID=107 and weight=3. ALPO/BAA weight=3.
On 1992 May 20 at UT 11:15 D. Weier (Sun Prairie, WI, USA, naked eye and 7x50 binouculars, sky conditions excellent) noted that Aristarchus and, an area, were very bright to the eye. In binoculars the feature was quite sharp and distinct, "> anything else on the Moon". When observing please try using your eyes alone and then a small aperture and low magnification. The Cameron 2006 catalog ID=447 and the weight=2. The ALPO/BAA weight=1.
In 1937 Apr 29 at UT 09:30 Firsoff (Glastonbury, UK, 6" reflector and filters) observed a slight greenish colour (Cameron says colour of ground? no TLP?). The Cameron 1978 catalog ID=420 and Weight=4. The ALPO/BAA weight=3.
Plato 1877 Jul 29 UTC 02:00?-02:30 Observed by Gray (England?) "S. of crater a bright streak that disappeared at 0230" NASA catalog weight=3 (average). NASA catalog ID #196.
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 1958 Nov 01 at UT 00:00 a TLP was seen on the Moon (location and observer not given). The Reference for this is Palm, 1967. The Cameron 1978 catalog ID=702 and weight=0. The ALPO/BAA weight=1.
Theophilus 1965 Jul 18 UTC 08:52-09:01 Observed by Cross, Ariola (Whittler, CA, USA, 19" reflector, x450, S=4, T=3) "Red spots; ruby red within a pink area on c.p." NASA catalog weight=5. NASA catalog ID #885. ALPO/BAA weight=4.
1999 Jan 07 UT 01:57 C. Brook (Plymouth UK, 65mm refractor, x125, seeing good) found this mountain unusually dull. In contrast, Mons Pico, Montes Teneriffe, Montes Spitzenberg, were all normal. ALPO/BAA weight=1.
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.
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 1982 Aug 11 at UT03:30-04:15 Mobberley (Suffolk, UK) obtained a photograph and made a sketch that revealed a needle-like shadow from the west wall to near by the central craterlet - the latter was quite clearly visible. What were not visible were the other four craterlets. The Cameron 2006 catalog ID=183 and weight=4. The ALPO/BAA weight=2.
Alphonsus 1958 Nov 03 UT 02:30-03:30 Observed by Kozyrev, Ezerski (Pulkova Observatory, Crimea, Ukraine, 50" reflector, 23A/mm spectrograph) UT03:00-03:30 "C.p. redder than rest; emiss. spect. in 4756A, 4100, 3950A (C3), 5165, 5130A (Swann bands) 3 spect. over 3.5 h. Image of c.p. weakened in viol. light on spect. Noted visual decrease in brightness & reddish glow. Decrease in bright, & unnusual white color(at 0300h- 0330h). Sudden decrease in vis. bright. Spect. started -- gave norm. Spect. (0330-0340h), conditions almost identical to Alter's on Oct. 26, 1956. Nothing seen on Nov. 2-3" NASA catalog weight=5. NASA catalog ID #703. ALPO/BAA weight=5.
On 1981 Sep 20 at UT 08:00-09:40 D. Darling (Sun Praire, WI, USA, 12.5" reflector, x342, seeing=excellent) detected the small crater on its western rim But not on the eastern floor. This was odd because both are equal in size, furthermore smaller craters could be seen and the Moon was at a high altitude above the horizon, so seeing not a problem. Cameron 2006 catalog ID=154 and weight=3. ALPO/BAA weight=1.
Aristarchus 1978 Oct 23 UT 06:30-06:34 V.A. Sage (Bristol, UK, 10.25" reflector, x250, Wratten 44a and 25, seeing II) noted that Aristarchus was surrounded by a dark area in the blue filter. They did not regard this as a TLP at the time. However because Aristarchus is surrounded by blue material in real life, this should have been brighter? For this reason, despite the observer regarding this as a negative TLP, an ALPO/BAA weight=1 has been applied.
On 1977 Nov 03 at 22:13UT P.W. Foley (Kent, UK, 11" reflector, x285)saw some flickering in Gassendi (Clouds on limb - according to Csmeron?). The Cameron 1978 catalog ID=18 and weight=1. The ALPO/BAA weight=1.
On 1981 Dec 19 at UT 01:00-05:00 E.V. Arsyukhin (Moscow, Russia, 3" reflector) observed that Plato was consdierably brighter than Aristarchus by several times. The image quality was very clear. The Cameron 2006 catalog ID=161 and weight=3. The ALPO/BAA weight=2.
On 1891 Sep 25 at UT 20:00 Pickering, based at Arequipa, Peru, and using a 12" reflector, saw in Schroter's Valley and the vicinity "Varitions in vapor column. Time estimated from given colongitude)." Cameron 1978 catalog ID=273 and weight=1. ALPO/BAA weight=1.
On 1971 Jun 16 at UT 07:08-07:09 Raimundo Nonato da Silva (Parnaiba, PI, Brazil, 9.5" reflector, x90, seeing=good) observed during a lunar eclipse that the Straight Wall surroundings were darker than an observation from two days earlier. At 07:09UT tonality became clearer. As dawn was in progress and atmospheric turbulence, not sure if it was a TLP? Other features were normal. The Cameron 1978 catalog ID=1297 and weight=1. The ALPO/BAA weight=1.
Aristarchus 1973 May 27 UTC 01:09-01:56 Observed by Theiss (51N, 9.67E, 75mm reflector) "3 diameters of Aristarchus around its center: orange bright area from 01:09-01:56" Ref: Hilbrecht & Kuveler, Moon & Planets Vol 30 (1984) p53-61"
Closest parts of the Moon at Saturn appearing from occultation were dull and hazy. Was this an effect of the lunar atmosphere or a high haze and halo around the Moon? Cameron's 2006 catalog extension gives this an ID No. of 3 and a weight of 1. The ALPO/BAA catalog weight is also 1.
Southern cusp obseved by H.Hill (UK) on 1984 Jul 25. Solar Selenographic colongitude=232.6. Observer noted a dusky ill- defined strip in Earthshine extending beyond the southern cusp that appeared "atmospheric". 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.
Grimaldi 1938 Mar 28 UTC 09:30 Observer: Firsoff (Glastonbury, UK - 6" reflector) - Slight greenish colour - {Note the UTC given in the NASA catalog is 09:30 which is in daylight here in the UK - possibly the catalog is wrong, else the observer was observing in daylight, but worth checking out just in case}. NASA catalog ID No. #433 and NASA weight=4 (good).
On 1790 Mar 19 UT 21:00? Schroter (Lilienthal, Germany) described in the Aristarchus region a "Small hazy spot of light". The Cameron 1978 catalog ID=68 and weight=4. The ALPO/BAA weight=1.
In 1955 Apr 24 at UT 19:20 F.C. Wykes (England?) observed a white flash north of Mare Serenitatis, near Posidonius (25E, 32N). Cameron comments that this might be a meteor in the dark. The cameron 1978 catalog ID= 588 and weight=0. The ALPO/BAA weight=1.
On 1976 Mar 03 at UT 17:30-18:30 Classen? (Budapest, Hungary, 8" refractor, 14" reflector) observed Aristarchus to have a point-like brightness -- white. The Cameron 1978 catalog ID=1429 and weight=3. The ALPO/BAA weight=1.