On 1903 Mar 03 at UT 18:30 Rey (Marseilles, France) observed a star- like point of light in the Aristarchus region, on the dark part of the Moon (indep. confirm?). The Cameron 1978 catalog ID=315 and the weight= 5. The ALPO/BAA weight=2.
On 1950 Apr 22 at UT 03:15-0440 Barcroft (Madera, CA, USA, 10" reflector x74 & x98) observed that Aristarchus glowed in Earthshine. However Earthshine visibility was exceptionally good. The Cameron 1978 catalog ID=526 and weight=3. The ALPO/BAA weight=1.
On 1970 apr 11 atUT 05:29 Lucas (San Diego, CA, USA, 10" refelctor, seeing=fair) and others (Oregon, USA) obtained a photometric record of light level changes in Grimaldi crater. Visible reports by others during the same time. The photometer paper chart pen moved off scale on a 10mV scale adjusted to 1000mV. The peaks correlate with the visible observers from California and Oregon. Bright flashes, 3-5 events (confirmation during the Apollo 13 watch). The Cameron 1978 catalog ID= 1237 and weight=5. The ALPO/BAA weight=4.
On 1903 Mar 03 at UT 20:00 Gheury (London, UK) observed a star-like point in the dark side in Sharp(?) "Gray-blue marbling, glimmering, intermittent. (indep. confrm. of Rey?)". The Cameron 1978 catalog ID= 316 and the weight=5. The ALPO/BAA weight=4.
Messier 1981 Sep 03 UT 19:15-19:55 Observed by Evans (England, 254mm Newtonian, seeing II-III, transparency fair). "Messier was under going obscuration" BAA Lunar Section Circular report. ALPO/BAA weight=1.
Om 1990 Mar 01 at UT 19:05-19:45 M. Holmes (Rockdale, England, UK) saw a blue blinking spot near Sirsallis A until 19:15UT after which it faded and "haloed, loss of detail". The Cameron 2006 catalog ID=392 and weight=0. The ALPO/BAA weight=1. Note that in Cameron's catalog the UT given is ambiguous as 3 UTs (00:59-02:20, 18:30-18:50, 19:35-19:45) are given for 3 features (Lambert, Aristarchus and Sirsalis A) and it is not clear which is which, but it is assumed that Holmes saw the Sirsalis A event at around 19:15UT?
1948 Oct 08 UT 21:00? Barker's Quadrangle (SE Mare Crisium) Observer: Moore (UK, 12?" reflector) "Nebulous white patch in place of quadrangle. (In Capuanus ? See Wilkins & Moore, The Moon, p124. Area in darkness" NASA catalog ID #511. NASA catalog weight=4. ALPO/BAA weight=3.
On 1962 Sep 05 at UT 00:48-00:55 Chalk (USA?) observed in the vicinity of Walther a faint point of light, near the terminator. Cameron suspects an illuminated peak in the dark. The Cameron 1978 catalog ID=767 and weight=1. The ALPO/BAA weight=1.
A German observer by the pseudonym of "R" on 1883 Nov 05 UT 18:00 saw Aristarchus as a vry bright 7-8th magnitude star in the dark part of the Moon. The Cameron 1978 catalog assigns this event an ID of 240 and a weight of 3. The ALPO/BAA weight is 1.
On 1990 Mar 02 at UT 19:35-19:50 P. Williamson (Shropshire, UK, 14" reflector, x178, seeing=good and steady) noticed a yellow-orange glow in Gassendi (from a small illumnated crater?) in Earthshine at 19:35UT and by 19:40UT it had become very bright white, afterwhich it completely faded within 10 minutes. The Cameron 2006 catalog ID=393 and the weight=1. The ALPO/BAA weight=3.
Noble (England?, seeing=fair) observed a badly defined white patch east of Picard. Cameron 1978 catalog ID=201 and weight=3. ALPO/BAA weight=2.
Godin, Agrippa, Mare Crisium, and Webb's spot.... 1882 Apr 24 UT 21:30-22:00 Observed by Ridd (England?) "Shadow anomalies- strange appearance. (he often noticed appear. that could only be haze. Shadows blurred and oscillated. Shadows in Aristotles were steady. E. of Agrippa shadows were misty as the foggy which lifted & then became obscur. again. Intervals being 1o min. (not terr. atmos.). Shadows never became clear whole time of obs. Also saw a white spot NW of 5 on Nelson's map (Webb's spot). " NASA catalog weight=2. NASA catalog ID #231. ALPO/BAA weight=2.
Godin, Agrippa, Mare Crisium, and Webb's spot.... 1882 Apr 24 UT 21:30-22:00 Observed by Ridd (England?) "Shadow anomalies- strange appearance. (he often noticed appear. that could only be haze. Shadows blurred and oscillated. Shadows in Aristotles were steady. E. of Agrippa shadows were misty as the foggy which lifted & then became obscur. again. Intervals being 1o min. (not terr. atmos.). Shadows never became clear whole time of obs. Also saw a white spot NW of 5 on Nelson's map (Webb's spot). " NASA catalog weight=1. NASA catalog ID #231.ALPO/BAA weight=1.
Godin, Agrippa, Mare Crisium, and Webb's spot.... 1882 Apr 24 UT 21:30-22:00 Observed by Ridd (England?) "Shadow anomalies- strange appearance. (he often noticed appear. that could only be haze. Shadows blurred and oscillated. Shadows in Aristotles were steady. E. of Agrippa shadows were misty as the foggy which lifted & then became obscur. again. Intervals being 1o min. (not terr. atmos.). Shadows never became clear whole time of obs. Also saw a white spot NW of 5 on Nelson's map (Webb's spot). " NASA catalog weight=1. NASA catalog ID #231. ALPO/BAA weight=1.
On 1985 Jun 14 UT 21:16-21:40 Observed by A.C. Cook Frimley, UK, 30cm reflector, seeing IV, transparency moderate, very litle spectral dispersion noticed - Wratter 25 and 44a filters used) UT 21:16-21:19 Censorinus slightly brighter in red and more detail seen. Observed other features before and after this. Checked again UT21:31-21:40 - same appearance. Torricelli and Torricelli B in comparison looked normal with other craters of similar size. ALPO/BAA weight=1.
Sabine 1967 Sep 11 UTC 00:32,00:45 Observers: Jean at al. (27 obs., 21 telescopes, Montreal, Canada, 3-6" refractors, reflectors) "A black, rectangular-shaped cloud vis. in M.Tranquill, moving W-E (IAU ?) & dissipated nr. term., surrounded by viol. colour. Bright yellow flash at 00:45, (obs. in response to request to obs. impact of Surveyor V at 0046) NASA catalog weight=3 (good). NASA catalog ID #1043.
On 1988 Jul 21 at UT 01:00? an Unknown observer (name and geographical position not given in the cameron catalog) detected a darkening on the floor of Proclus crater - this was also seen by other observers - some of whom were making observations independently. The Cameron 2006 catalog ID=330 and the weight=1.
On 1970 Apr 13 at UT09:00-09:03 Whelan (Walters, New Zealand, using a 10" reflector) observed Menelaus to have a deep red cloud that seemed to surge upward from outside the southern edge of the crater wall and disperse around the outside edge, spreading out on reaching Mare Serentiatis. All clear again though by 09:03UT, (Apollo 13 watch). Drawing supplied. Cameron 978 catalog ID=1246 and weight=3. ALPO/BAA weight=3.
Mare Vaporum 1969 Apr 24 UT 19:34 Observed by Bentley (England, 8" reflector, x320, S=E) "NW part of mare obscured for 4 min., gradually thinning." NASA catalog weight=3. NASA catalog ID No. 1123. ALPO/BAA weight=2.
Large plume-like diffuse cloud over central peak, very large compared to central peak (@ approx 30km diameter) with intensity much different from other parts. Brightness between walls and shadowed floor. Would take 3 minutes to collapse, so continuously fed. 13-14 days later, at SS, central peak was normal. Kuiper took photos after Kozyrev's observations, but saw nothing abnormal. Drawing. Haas saw nothing in 12inch reflector at the time. Cameron 1978 catalog TLP ID=705 and weight=4. ALPO/BAA weight=2.
Alphonsus 1966 Jun 26 UT 04:30-04:40 Observed visually by D.Harris and E.Arriola (Whittier, CA, USA, 19" reflector x146, and spectrum, S=4, T=1-0) "Absorp. spectrum (visual) of c.p. band at 475+/-5nm (1st est.); 2nd est. at 485+/-5nm. Band degraded towards the viol. Band nr.Hydrogen Beta. as if abnormally broadened. So sign of anything unusual visually in central peak in white light. Absorption appeared only on C.P., not over walls. Calibration corrections put band at 491+/-4nm" NASA catalog weight=5. NASA catalog ID #948. ALPO/BAA weight=5.
On 1988 Jul 22 at UT 02:15-04:00 P.W. Foley (Kent, UK, 11" reflector) made a sketch of a dark area of the (East) floor of Proclus that revealed a large anomalous dark region - there should be no shade here when the sun is at an altitude of above 50 deg!. BAA lunar section archives reveal similar dark shadings - however on this night it was a different shaped dark area. The appearance was confirmed by several observers. Foley reported that the region affected stretched from Proclus to Theophilus. The TLP was seen in the USA too by D, Darling as early as 01:31UT and by others on his TLP network - brightness measurements of the "c.p." were 3.5 and the remainder of the floor was 5.5. However the observers did not all agree on the same position for this dark area. The Cameron 2006 catalog ID= 331 and the weight=2. The ALPO/BAA weight=2.
Cusps 1941 Mar 07 UT 04:00? Observed by Barcroft (Madera, CA, USA, 6" reflector) "Prolongation suspected. (date reported =6th, but if loc. time =7th UT). In this case we have assumed the 7th" NASA catalog weight=1 (very low) NASA catalog ID #485.
Cusps 1941 Mar 07 UT 04:00? Observed by Barcroft (Madera, CA, USA, 6" reflector) "Prolongation suspected. (date reported =6th, ut if loc. time =7th UT). In this case we have assumed the 7th" NASA catalog weight=1 (very low) NASA catalog ID #485. ALPO/BAA weight=1.
Plato 1952 Apr 03 UT 20:45-21:30 Observed by Wilkins and Moore (Meudon, France, 33" x460) whilst checking up on a 1923 28" refractor sketch by W.H. Stevenson's, thry failed to detect a prominent floor craterlet (featured in the 1923 sketch) just inside the W wall. They suspected an obscuration. Interestingly the whole floor was was reported to be lacking in detail many hours later as observed by Cragg in the USA. NASA catalog weight=5. NASA catalog TLP ID No. #550. ALPO/BAA weight=2.
Apr 25 UT 20:20 Observed by Bentley (England, 8" rteflector x320, S=VG) "Flashing star-like pts, in area beyond the terminator, (atmosphere?)" NASA catalog weight=1. NASA catalog ID #1124. ALPO/BAA weight=1.
On 1981 Aug 09 at UT05:08-05:21 D. Louderback (South Bend, WA, USA, 3" refractor) found that the bright patch in the southern part of Eimmart, could only be seen well in red light (this is between A, C and D in his feature notation) i.e. 5 brightness values higher than in white or blue light. Indeed in white light this bright area was closer to the east wall bright spot. The Cameron 2006 catalog ID=149 and weight=4. The ALPO/BAA weight=2.
Plato 1970 Apr 15 UT 05:38-05:40,05:51-05:53 Observed by Cross (Las Cruces, NM, USA, 108mm Schiefspiegler or 152mm refractor, S=6, T=5.5=VG). The observer noted a lack of detail inside the crater floor, despite visibility of detail outside the crater. Spectra were normal for color. (obs. similar to historic reports. Apollo 13 watch?)" NASA catalog weight=1 and catalog ID #1253. ALPO/BAA weight=2.
On 1994 Apr 19 at UT 22:00 R. Knopp (Berlin, Germany) noticed a darkening of the interior of the crater Atlas. The ALPO/BAA weight=1.
Plato 1982 Nov 24 UT 22:00-23:30. K.P. MArshall (Columbia, 12" reflector, x100, x200, x480, seeing III, reasonably steady, but some turbulence. No craters could be seen on Plato's floor, despite observing conditions being acceptable. The floor was evenly toned, and the walls were sharply defined. By 23:10 there was a suspicion that the central craterlet was there, but he could not quite make it out, even with averted vision. ALPO/BAA weight=1.
Peirce A 1927 Dec 03 UT 22:00 Observed by Wilkins (England, 15" reflector) "Invisible (date in MBM) is wrong, would be only 6h before NM. Sunrise on crater is at 3d & ? h. No interposition of dates works e.g. 13th or 1926 or Dec 26 1923. Only Dec 3 1927 is feasible as it would be just after 1st Q. & more similar to the May obs.)" NASA catalog weight=4? (high). NASA catalog ID #396.
Agrippa 1966 Oct 24 UT 01:48-02:12 Observed by Bartlett (Baltimore, MD, USA, 5" reflector, x283, S=6, T=3-2) "Shadow of c.p. light & grayish, scarcely distinguishable from floor. (sun is quite high (39deg) so shadow ought to be nearly gone)."NASA catalog weight=4 (good). NASA catalog ID #985. ALPO/BAA weight=2.
On 1988 Mar 27/28 UT23:30-00:30 M.C. Cook (Frimley, UK, 12" reflector) found Censorinus to have a "foggy/fuzzy" appearance that was not seen in adacent areas. The Cameron 2006 catalog ID=321 and weight=4. ALPO/BAA weight=2.
On 1988 Mar 27/28 at UT 23:30-00:30? M.C. Cook (Frimley, UK, 12" reflector) noted that the crater Proclus was bright visibly, but the CED brightness measurement gave the same brightness as Censorinus crater. The Cameron 2006 catalog ID=321 and the weight=4. The ALPO/BAA weight=2.
In 1962 Sep 09 at UT 01:42-02:00 Bartlett (Baltimore, MD, USA, 5" reflector, x180, S=5-4, T=3) observed in Agrippa the shadow of the central peak to be grayish, not much darker than the floor, estimated at 3deg bright, whereas on 1962 Jul 12, at col 28deg, in the 5" telescope the dhadow was anormal black and sharply defined against the floor which was 3 deg bright. The Cameron 1978 catalog ID=768 and the weight=4. The ALPO/BAA weight=2.
SE of Ross D 1966 Oct 24 UT 03:17 Observed by Cross (Whittier, CA, USA, 19" reflector, x300, S=3-5, T=3-4) Ross D activity at level 5. ALPO/NAA weight=1 as it is not mentioned in the Cameron catalog.
On 1986 May 18 at UT 20:45-22:25 M. Mobberley (Suffolk, UK, seeing II- IV) found that the central craterlet of Plato was an ëasily seen "white splodge" although it was quite difficult to see when imaged with video. Foley and Cameron comment on IR sensitivity of the CCD camera used. The Cameron 2006 catalog ID=285 and the weight=1. The ALPO/BAA weight=1.
On 1988 Jul 24 D. Darling (Sun Praire, WI, USA, 12" reflector, x150, S=7/10, T=3) observed the following in Proclus: "At 0213 the previously observed gray area was 1/3 of July 22 and V shaped and fanned out across the floor. Could see hint of knot seen before. Craters named in 7/23/88 (#319) were all normal this time too". Is it possible that this report refers to the crater "Gray" rather than "Proclus" as the column field suggests in the Cameron catalog? The Cameron 1978 catalog ID=333 and weight=5. The ALPO/BAA catalog weight=2.
On 1981 Sep 08 at UT 21:28-21:34 P. Madej (Huddersfield, UK, seeing III-IV and trasnaparency good) observed a light orange transparent cloud extending from the north east inner corner across over the floor of Plato. Camero comments that this report was confirmed by 3 othr observers. The shape of this clud varied. The Cameron 2006 catalog ID= 153 and weight=4. The ALPO/BAA weight=3.
Dawes 1973 Feb 12-23 UT 22:30-01:20 Observed by Porter (Narragansett?, RI, USA, 6" reflector x96, S=9, T=0-4, alt=55-75deg?) "Brightening of some of permanent pts. monitored while others stayed steady & normal brightness. (Other nites' obs. suggest that he saw end of dimming event & return to normal). Distinct fluctuations." NASA catalog weight=4 (good). NASA catalog ID #1361.
Plato 1967 May 20 UT 01:13 K.Simmons (Jacksonville, FL, USA, 10" reflector) observed a large bright (intensity 6.5) oval area on near the central floor. According to Ricker and Kelsey (ALPO selected area coordinators) this is unusual. ALPO/BAA weight=1.
On 1980 Aug 21 at UT20:00 J.H. Robinson (Teighmouth, Devon, UK) detected colour, using a Moon Blink device, and "mistiness" on the southern floor of Tycho crater. The seeing was poor! Cameron 2006 catalog ID=104 and weight=1. ALPO/BAA weight=1.
On 1991 Feb 25 at UT 01:26-01:49 D. Darling (Sun Praire, WI, USA, 12.5" reflector, x248, seeing=10/1, transparency=good) found Gassendi's western rim to be bright in red and diffuse in blue light. A sketch was provided. The Cameron 2006 catalog ID=420 and the weight=4. The ALPO/BAA weight=2.
SE of Ross D 1966 Oct 25 UT 03:46 Observed by Cross (Whittier, CA, USA, 19" reflector, x300, S=2-4 (sometimes 5), T=3-4) "Large bright area obscuring 1/2 of Ross D crater wall. Not present Oct 24" NASA catalog weight=3 (average). NASA catalog ID 986. Actually some activity was observed the fay before according to the original notes. ALPO/NAA weight=2.
Archimedes 1973 Jun 11 UTC 21:05-21:15 observed by Pasternak (53deg 20'N, 7deg 30'E, 75mm reflector) "Faint red area at the E of Archmedes, diminution from 21.10-21.15UT" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53-61
On 1963 Nov 27 at UT 03:00 Olivarez (New Jersey?, USA, 17" reflector) and Fisher (Colfax, CA, 8" reflector, x300) observed a red glow in Anaximander in the dark part of the Moon. The Cameron 1978 catalog ID= 784 and weight=5. The ALPO/BAA weight=3.
On 1963 Nov 27 at UT 03:00 Olivarez (New Jersey?, USA, 17" reflector) observed a red glow in Aristarchus in the dark part of the Moon. The Cameron 1978 catalog ID= 784 and weight=5. The ALPO/BAA weight=3.
Om 1987 Sep 04 at UT 03:00 J. Caruso (Middletown, CT, USA, 3" refractor, x155, S=6/10 and T=8/10) found that Bianchini G was not visible, however Heraclides E, Helicon G, and indeed many other smaller craters could be seen. There were two small mountains in the general area of Bianchini G. and a mare ridge - all these were clearly seen. Caruso states that Bianchini G should normally be much more clearly seen than the other features mentioned and is the same size as Heraclides E. The Cameron 2006 catalog ID=305 and the weight=3. The ALPO/BAA weight=1.
Gassendi 1966 May 30 UT 20:32-20:59 Observed by Sartory (England, 8.5" reflector + filters) "Orange patch & obscuration -- detected by Eng. moon blink system. Color seen visually."NASA catalog weight=4 (good). NASA catalog ID #941.
On 1988 Jul 25 at UT03:15 H. Davis (Madison, WI, USA) stated that Proclus was normal apart from a "slightly darker area in SW (Ast) SE (IUE) corner." The Cameron 2006 catalog ID=334 and the weight=0. The ALPO/BAA weight=1.
Callipus and vicinity 1973 Feb 13 UT 23:16-23:50 Observed by Frank (E.Pepperell, Massachusetts, USA, 6" reflector x100, Seeing=good, altitude=45 deg). "Large dark patch, albedo=3 present E. of Calippus. Drawing. (Shows it into Callippus also). Never seen before or since. Albedo normal (4.5) at 2350h. (obs. monitors Callippus in ALPO-LTP program)." NASA catalog weight=3 (average). NASA catalog ID #1362.
On 1891 Oct 14 at UT 18:00 Pickering, based at Arequipa, Peru, and using a 12" reflector, saw is Schroter's Valley and the vicinity "Varitions in vapor column and visibility of craterlets A, C and F (Plate B) in early period at Peru. Directional vaporjet towards F varied but was always continuous. Later, in Musa. There was a break in it. D was quiescent in early period. (due to change in telescope & atmosphere ? Time estimated from given colongitude)." Cameron 1978 catalog ID=273 and weight=3. ALPO/BAA weight=2.
On 1963 Nov 28 at UT 00:30-01:45 Barr, Greenacre, Hall and Dungan (Flagstaff, AZ, USA, 24" refractor, and 69" reflector) observed pink on the outer SW rim and a red spot towards the S of this. A red spot was seen on the eastern side of Vallis Schroteri but only by Barr and Dungan. Other features checked for atmospheric spectral dispersion and chromatic aberation - but the colours in Aristarchus were not due to these. Smaller 12" scope checked but no effects seen - presumably due to resolution and image contrast issues? Pink on the SW rim may have been seen in a 69" scope by Boyce and Ford. ALPO/BAA weight=4.
On 1980 Aug 22 at UT20:15-21:29 J-H Robinson () detected violet on the west wall of Aristarchus. Cameron 2006 catalog ID=105 and weight=5. ALPO/BAA weight=2.
On 1980 Aug 22 at 02:15-21:29UT J-H Robinson (Teighmouth, Devon, UK, 12" reflector, x200, seeing=II) noticed in the area south east of Manilius that it was brighter in red light than in blue light at 20:15UT whereas 1 minute later it was the same brightness in each filter. The effect reappeared at 20:21UT and was particularly strong at 20:32UT. Foley (Kent, UK) verified this at 21:01UT - the blink area was of high reflectivity in white light and was bright in red at 21:15UT, thougjh the south east area stopped giving a colour reaction at 21:25UT. Madej (Huddersfield) found Manilius B to be norm al at 23:52UT however at 23:55UT it was surrounded by a transient white ring that varied in visibility in an irregular way. Foley found Manilius B had a vivid blue interior and in blue light the ring was black. and not at all seen in red or white light. The CED brightness measurement varied from 1.9 to 2.4. All other regions observed were normal in brightness. Violet was seen on the west wall of Aristarchus though. M.Price (Camberley, UK) found a possible blink in Manilius B but was observing under poor seeing conditions. Cameron 2006 catalog ID=105 and weight=5. ALPO/BAA weight=4.
Herodotus 1966 Jun 30 UTC 03:10-03:35 Observed by Bartlett (Baltimore, MD, USA) described in the NASA catalog as: "Bright pseudo-peak again vis. within floor shadow. Peak est. 5 bright. Had seen it at successive lunations in '66" 4" x280 refractor used. NASA catalog weight=4 (high). NASA catalog TLP ID No. #950. ALPO/BAA weight=3.
Aristarchus 1973 Feb 14 UTC 18:31-18:34 observed by Fuger (49N, 8.42E, 75mm refractor, T=1, S=2) "Violet colours on S. of the crater" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53-61
Gassendi 1973 Jun 12 UT 20:50-21:15 observed by Baumeister (48.83N, 9.25E, 240mm reflector, T=2, S=3) "Bright point at the NNE slope of the central peak" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53-61. ALPO/BAA weight=1.
On 2017 Sep 02/03 UT 23:55-00:30 A.Anunziato (Parana, Argentina, 105 mm Maksutov-Cassegrain, x154, seeing 6/10, some interuption from clouds) observed a light spot SE of the centre of the floor of the crater, which came and went in visibility. There is a light spot here, but what was unusual was that the visibility decreased over time. ALPO/BAA weight=1.
Aristarchus 1982 Nov 27 UT 20:13-01:00 J-H Robinson (Teighmouth, Devon, UK) found that the bands of Aristarchus were clearer in red than in blue light. North found that the sunlit part of the crater was very bright. M. Cook described the crater as a "kaleidoscope of colour. Foley observed UT 23:05-01:00 (Kent, UK, Antionadi III, Transparency Moderate) - Colouration Seen - Ref: BAA Lunar Section Circular. The Cameron 2006 catalog ID=190 and weight=5. The ALPO/BAA weight=3.
On 1825 Jan 01 UT17:00? an unknown Russian observer noticed a cloud in Mersenius.
nr Fra Mauro 1970 Aug 14 UT 05:00? Observed by Bell (Californina). "Bright blue-white flare (meteor?)(call for obs. at Fra Mauro at perigee because of moonquakes there -- therefore biased to tidal hypothesis. That was the original location given for the A1 moonquake site, but it is located elsewhere now. Ancill. data given for 1970)." NASA catalog weight=1. NASA catalog ID #1273. ALPO/BAA weight=1.
Herodotus 1971 Jul 05 UT 03:48 Observed by Bartlett (Baltimore, MD, USA) described in the NASA catalog as: Pseudo-c.p. I= 4(albdeo) appeared to cast a distinct shadow. 1st time seen. (Apollo 15 photo shows an apparent slight elev. nr. center -- very very low hills? 5" refelctor x79,283x, NASA catalog weight=1 (low). ALPO/BAA weight=2.
On 1997 Oct 13 at UT11:09-11:21 D. Rodway (Oamaru, South Island, New Zealand, 8.5" reflector, x270) saw a deep salmon-pink colouration in the south east corner interior of the crater Aristarchus. This colour was confirmed by the observers wife. By 11:21 UT the colour had faded completely. Rodway had been a lunar observer since 1958, using a wide range of instruments from 3 inch refractors to 12 inch reflectors and had observed a TLP in Gassendi back in 1966 (from L'ondon, UK), and so was an experienced observer. The ALPO/BAA weight=4.
On 1963 Nov 28 at UT 05:00-06:00 Greenacre, Barr, Hall and Dungan (Flagstaff, AZ, USA, 24" refractor) observed a deep violet area form on the western exterior of Aristarchus, and a less deep violet area form to the eastern edge of Aristarchus. As these were becoming stronger, a blue-like haze formed on the sunlit floor of Aristarchus, that obscured underlying detail. The ALPO/BAA weight=2.
On 1982 Aug 01 at UT20:50 M. Mobberley (Suffolk, UK, 14" reflector, seeing III-IV) found that LaPlace A was significantly more prominent than usual - comparisons were made with photographs in books. The Cameron 2006 catalog ID=178 and weight=3. The ALPO/BAA weight=1.
Aristarchus 1973 Feb 15 UTC 17:07-19:31 Observed by Theiss (51N, 9.67E, 75mm refractor) "Area 4-5 diameters of Aristarchus were coloured clearly yellow to red" Ref: Hilbrecht & Kuveler (1984) Moon & Planets 30, pp53-61.
Aristarchus, Cobras Head 1966 Oct 27 UTC 02:30-03:00 Observed by Delano (new Bedford, Massachusetts, USA, 12.5" reflector x360) and Corralitos Observatory (Organ Pass, NM, USA, 24" reflector & Moonblink) "C.p. of Aris. noticeably less bright thro blue filter but very bright thru red & no filter. Shadow of C.p. faint & grayish whereas wall shad. were normal black, (confirm. of Gordon, even tho 2h later?). Sketch of C.p. rated at 10deg in red & no filter, & 8deg in blue. Other features rated same in all 3. Cobra Head had 2 red patches. Sketches. Not confirm. by Corralitos MB". NASA catalog weight=5 (very high). NASA catalog ID 989.
On 1963 Nov 29 at UT 01:30-03:00 Fisher (Colefax, CA, USA, 20cm reflector, thin streamers of cloud across sky, but no wind) Aristarchus had a faint pale yellow tint along the rim and the crater was very bright. No detail seen in in Vallis Schroteri. Yellow spot also seen on the northern limb (Carpenter and Pythagoras?). Both effects had been seen the previous night and were confirmed by friends. Colour still present when observing stopped at 03:00 UT. The ALPO/BAA weight=1.
On 1963 Nov 29 at UT 01:30-03:00 Fisher (Colefax, CA, USA, 20cm reflector, thin streamers of cloud across sky, but no wind.) Carpenter had a yellow tint along the W rim. Ywllow tint seen on Pythagoras and also Aristarchus. Effect had been seen the previous night and were confirmed by friends. Colour still present when observing stopped at 03L00 UT. The ALPO/BAA weight=1.
On 1963 Nov 29 at UT 01:30-03:00 Fisher (Colefax, CA, USA, 20cm reflector, thin streamers of cloud across sky, but no wind.) Pythagoras had a yellow tint along the W rim. Ywllow tint seen on Carpenter and also Aristarchus. Effect had been seen the previous night and were confirmed by friends. Colour still present when observing stopped at 03L00 UT. The ALPO/BAA weight=1.
Sirsalis 1999 Jan 30 UTC 01:00-01:20 Observed by Giuseppe Sorrentino (Italy) described as: "A temporary change in appearance to sunlit floor of crater" for further references including images please see: http://digilander.libero.it/gibbidomine/sirsalis.htm and http://digilander.libero.it/gibbidomine/tlp.htm and http://digilander.libero.it/gibbidomine/fotometriasirsalis.htm and http://www.uai.it/sez_lun/sirsalis.htm
Aristarchus, Herodotus 1963 Dec 28 UTC 15:55-16:26 Observered by Yamada et al, (Hiroshima, Japan, 10" reflector, x278) "Red area, spreading to Herod., a perculiar obscuring gray area on N. edge of glow. Drawing. (confirm. of Olivarez? with activit > 1/2 day?)."NASA catalog weight=5 (very high). NASA catalog ID #789.
Aristarchus, Herodotus 1963 Dec 28 UTC 15:55-16:26 Observered by Yamada et al, (Hiroshima, Japan, 10" reflector, x278) "Red area, spreading to Herod., a perculiar obscuring gray area on N. edge of glow. Drawing. (confirm. of Olivarez? with activit > 1/2 day?)."NASA catalog weight=5 (very high). NASA catalog ID #789. ALPO/BAA weight=4.
On 1977 Apr 01 at UT 20:40-21:10 D.Sims (Devon Valley, Dawlish, Devon, UK, 25.4cm reflector, Wratten 25 and 44a filters, x300, seeing II) found Schroter's valley clearer in red than in blue. No colour filter reactions seen on other features. This is a BAA Lunar Section observation. ALPO/BAA weight=2.
Near Furnerius 1920 Nov 23 UTC 20:00? Observed by an unknown observer (England?) "Shaft of light projecting from Moon, or spot so bright it appeared to (strong ray?)" NASA catalog weight=1 (very low). NASA catalog ID #378
Aristarchus, Herodotus - 1967 Sep 16 UTC 23:50-23:55 observed by Seeliger (Dresden, Germany, 30" reflector, 90, 140x) "Dark streaks on E.(ast. ?) outside walls of both craters. No shadow from Herod. wall. Drawings (wall < 18 deg slope if no shadow normally)." NASA catalog weight=3 (average). NASA catalog ID=#1044.
On 1915 Jul 24 at UT 22:00? Barabashovihi (Russia) observed a TLP on the west limb: "When phi Strettsa (?) approached the edge but still separated, the star began to stretch in a belt 3X its own length & then instantly disappeared. Probably no significant atm. or vapors. (similar to other reports of fading occult. Gives limb as E. but that is in ast. convention)". The 1978 Cameon catalog ID= 357 and weight=2. The ALPO/BAA weight=1.
Oenopides-Selecucus 1951 Aug 15 UT 13:11 T,Osawa (Japan) observed a brownish tinge to the terminator region in the vicinity of these two craters. ALPO/BAA weight=1,
Aristarchus 1967 Sep 17 UTC 02:05-02:21 Observers: Delano (Fall River, MA, USA) and Corralitos Observatory (Organ Pass, NM, USA). The former used a 12.5" reflector at 400x and the latter a 24" reflector. The NASA catalog states the following: "A rimtop cratelet on SW rim appeared almost as bright as c.p. thru a Wratten 25 filter (red) but no brighter than a lower central wall & rim thru a Wratten 48 (blue) filter. Inner W. slope of craterlet displayed a bright red color which became less & less noticeable until 0212h It was no longer brighter than other parts. At 0217 it flared again brighter red for 1m. (indep. confirm. of Seeliger for activity in Aris. ?) Corralitos MB did not confirm. NASA catalog weight=4. NASA catalog TLP ID No. #1045. ALPO/BAA weight=2.
Schickard 1944 Aug 31 UTC 21:00? Observed by Wilkins (Kent, England) described in the NASA catalog as: "Saw a mist in it which was gone next nite. interor was dotted with white spots, contrasting sharply with dark areas. All very clear on Aug 15 at sunset". 8.5" reflector. NASA catalog weight=4 {high). NASA catalog TLP ID No. #492. ALPO/BAA weight=3.
Aristarchus 1982 Nov 28 UTC 23:35-23:55 Observed by Foley (Kent, UK, Antionadi III, Transparency Moderate) - Colouration Seen - Ref: BAA Lunar Section Circular. ALPO/BAA weight=2.
Bright point seen on the dark part. Cameron 1978 catalog ID is 38 and the weight assigned is 5.
On 1977 Apr 02 at UT22:00-00:00 L. Fitton (Shaw, Lancashire, UK, 8.5" reflector, x200, Wratten 25 and 44A filters, seeing II-III, transparency, good) noticed in Aristarchus, blue to the north west (IAU?) internal wall, also blue observed in other small bright objects against dark backgrounds. Lunar rotational axis and optical normal related such that the normal runs NW-SE (IAU?) through these features. Observer deduced that the coliur was obviously spurious and no blink was seen in any feature. The blue disappeared as the lunar altitude increased and no blue seen by 00:00UT. This is a BAA lunar section observation. The ALPO/BAA weight=1.
On 1988 Apr 01 atUT01:15-03:20 H.Hill (Lancaster, UK, 10" reflector, x286) observed that east of Lichtenberg were ëxtensive rosy areas" around the northern edge of the lava sheet. Hill believes that it may have been the same effect as seen by Madler (Germany), Barcroft (USA) and Baum's (UK) 1951 observation. The colour was "ünmistakable" and nothing to do with the atmospheric spurious colour. Other features were checked. the cameron 2006 catalog ID=322 and the weight=3. THe ALPO/BAA weight=2.
On 1992 Jan 18 at UT 22:34-23:48 A.C. Cook (Frimley, UK, 8" reflector, seeing=III) was able to see 4 craterlets and two rays on the floor of Plato. This was suprising because Moore, using a larger telescope and magnification, was unable to see any detail here on 1991 Dec 12th at 02:10 - according to Cameron. The Cameron 2006 catalog ID=438 and the weight=2. The ALPO/BAA weight=1.
On 1892 May 10th at 19:00UT? Pickering, based at Arequipa. Peru, using a 12" reflector, saw varitions in vapor col. Drawings were made. Time calculated from the given colongitude. Cameron 1978 catalog ID= and weight=3. ALPO/BAA weight=2.
Aristarchus 1982 Nov 29 UT 21:47 Observed by P. Madej (Huddersfield, UK) flashes seen to NW. ALPO/BAA weight=1.
Riccioli 1974 Jan 07 UT 16:30-17:00 Observed by McKay (South Downs, England, 3" refractor, x135, S=IV boiling) "Bright spot and dark patch changing in size (atmos. aberr. ?)" NASA catalog weight=1 (very low). NASA catalog ID #1385.
1969 Aug 26 UT 22:15-23:30 Observer: Whippey (Middlesex, UK, 6" reflector x177) "Small dark spot in oval whitish patch typoical under high sun for it." NASA catalog weight=2. NASA catalog ID #1200. ALPO/BAA weight=1.
Plato 1969 Aug 26 UTC 22:15-23:30 Observed by Whippey "Plato's defuse white patch in center flanked by two radial diffused bands diverging to S. wall. Later E. band disappeared under better seeing. NASA catalog weight=2. ALPO/BAA weight=1."
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.
Pico B 1912 Sep 26 UTC 03:00 Observed by Pickering (Mandeville, Jamaca, 6.5" reflector) "Haze spreading from eastern end of crater. (MBMW gives 9/25/12 but it is 26th UT.)" NASA catalogue weight=2 (low). NASA catalogue ID #341.
Schickard 1934 Feb 28 UTC 22:00? Observed by Wollridge (Broomsgrove, England, 6.5" reflector) "Well-known crater form obj. presented anomalous, misty appearance of white spots. Confirmed by Moore in 1939, 1941. NASA catalog ID #411. NASA catalog weight=3. ALPO/BAA weight=2.
On 1966 Oct 29 at UT00:45-01:30 G.Walker observed a red spot in Copernicus crater. The Cameron 1978 catalog ID=991 and the weight=2. The ALPO/BAA weight=2.
On 1898 Jul 03 at UT 21:35 Moye (France) noted that 30 minutes after mid eclpise, Proclus shone with a reddish light in shadow. The Cameron 1978 catalog ID=301 and the weight=2. The ALPO/BAA weight=2.
Eratosthenes 1949 Oct 07 UT 04:14-05:22 W.Haas (USA) and O'Toole (USA) observed some changes in intensity of features inside this crater - after a lunar umbral passage. The effect lessened over time. Comparisons had been made with measured intensities on the previous and subsequent nights and on other months around the time of Full Moon. The ALPO/BAA weight=1.
On 1970 Aug 17 at UT 02:40 Pedler (England) noted that the shadow flowed around instead of over Plato. Wondered if shadow matched the gray of the crater. Within minutes the shadow line looked normal again. At 04:41UT Claudio Pamplona (Brazil) saw a pulsation in Plato during a lunar eclipse. He thought that this was due to falling temperatures. The Cameron 1978 catalog ID= 1274 and the weight=0. The ALPO/BAA weight=1.
Gauss 1967 Sep 19 UT 02:33 Observer: Chilton (Hamilton, ON, Canada, 12.5" Gregorian, 200x and a 4" refractor). In a polaroid filter the west wall was missing. Effect seen in large scope and also in 4-in finder. His conclusion was that W. wall reflected polarized light. Cameron 1978 catalog weight=3 (good) and TLP ID #1047. ALPO/BAA weight=4.
On 1982 Aug 04 at UT19:25 Arkhipov (Ukraine). found that for 3 minutes Aristarchus brightened. Cameron 2006 catalog ID=180 and weight=0. ALPO/BAA weight=1.
On 1982 Aug 04 at UT19:25 Arkhipov (Ukraine). found that for 5 minutes Copernicus flashes. Cameron 2006 catalog ID=180 and weight=0. ALPO/BAA weight=1.
On 1964 Jun 25 at UT ~01:07 Titulaer (Utrecht, the Netherlands) observed that Aristarchus crater was very bright during an eclipse. The Cameron 1978 catalog ID=822 and weight=4. The ALPO/BAA weight=1.
On 1964 Jun 25 at UT ~01:07 Rubens de Azevedo (Brazil) observed a white streak from Grimaldi on the limb, during an eclipse. The Cameron 1978 catalog ID=822 and weight=4. The ALPO/BAA weight=2.
In 1950 Apr 02 at UT 20:00 Chernov (Russia) observed two dark spots in Atlas during a penumbral phase of a lunar eclipse to quickly darken and become sharp in detail. The cameron 1978 catalog ID=524 and weight=1. The ALPO/BAA weight=1.
On 1975 Nov 18 at UT 19:38-23:34 Moore (Johannesburg, South Africa, 2" refractor, S=II), Peters (Kent, UK, 8.5" reflector, x120, S=IV), Good (Guilford, UK, binoculars), Foley (Dartford, Kent, UK, 12" reflector and photographs), and McKay (Kingston, England, UK, 6" reflector, x48) observed the following in Aristarchus during a lunar eclipse: "It appeared much fainter than ever before seen in ecl. by Moore. Fainter than Proc., Cop., & Tycho. Others rated brightness in order-- Hell, Stevinus, Furnerius, proc.; & Proc., Tycho, Hell, Aris. Photos confirmed dimness of it. For some observers it became invis. at S=II (good). Good ranked at least 4 other craters brighter than Aris. & that at 2035h it dimmed. Earthshine cond. extraordinarily good. Peters, at S=IV (fair?) rated Aris. brightest". At 23:50UT LeCroy Jr and Sr (Springfield, VA, 4.5" reflector, S=7) observed four glowing spots on the Moon during a lunar eclipse (including Aristarchus). At 23:50UT Aristarchus was an oval shape with no details seen. It had a ray extending from the south west rim (normal). The north rim was slightly blue and the south west rim very very slightly red. At 23:55UT it was clearing and details showed. At 00:02UT it was clear. Sketches were provided. Cameron comments that the colours fit Fitton's predictions on spectral dispersion in our atmosphere from atmospheric inversions. The brightness measued was 10+ and normal should be 9, and the plain is 4.5. The Moon's altitude at the LeCroy site was 45 deg. The Cameron 1978 catalog ID=1418-1420 and weight=5 (1-0 for LeCroy report). The ALPO/BAA weight=3.
On 1905 at Feb 19 at UT 18:00-19:03 Moye (Montpelier, France) observed Aristarchus shining as a star in the dark, during a lunar eclipse. The Cameron 1978 catalog ID=320 and he weight=3. The ALPO/BAA weight=3. The ALPO/BAA weight=2.
On 1989 Aug 17 at UT 01:02-04:20 G. Kolvos (Thesaloniki, Greece, 4"reflector) measured (using photometry) that although there was a gradual fade over the Moon as the eclipse progressed, there was a 2"% rise in brightness of Aristarchus.Graphs were submitted and photos. A.C. Cook supplied CCD images and CCD photometry. A photograph by Conway (Sun Prarie, WI, USA) at the start of the eclipse reveal a bright colourless spot (aparently confirmed). The Cameron 2006 catalog ID=373 and weight=5. The ALPO/BAA weight=2.
On 1959 Mar 24 at UT 1851 Chernov (Russia) observed the follwing in Oceanus Procellarum during a lunar eclipse: "During penumbra of ecl. separate light pts. were sharply g?listing?. Possibly connected with transparancy of the penumbra. (time given was 0851 UT but must have been loc. time p.m. penum. phase started at 1756UT & umbral at 1916UT)". The cameron 1978 catalog ID=717 and weight=2. The ALPO/BAA weight=1.
On 1968 Apr 13 at UT05:00-05:45 Cameron and Laczo (Greenbelt, MD, USA, 6" refractor, x50, 36" reflector x400, 12" reflector x80, seeing= excellent) observed for the folliwing craters: Aristarchus, Pytheas, Euler?, Censorinus, Plinius?, Proclus, Menelaus, Manilius: "Star-like pts. in the craters. Only Aris. identified certainly, rest fairly certain except Euler & Plinius. Seen in 6-in refr. at 50x but not in 36-in refl. at 400x where they were bright, but not star-lie pts. Seen later in 12-in refl. at 80x. In another bldg. Seen 1st @ 1/2h before totality ended, but not earlier dur. tot. tho't by author (WSC) to be geom. & instrumental = power effect". Chilton, K.E. reports in RASCJ that another observer did not report any of what the Greenbelt observers saw at all?The Cameron 1978 catalog ID=1065 and weight=4. The ALPO/BAA weight=1.
On 1892 May 11 at 22:53UT an Unknown observer, during a partial eclipse noticed an extension of the Earth;s shadow beyond the north cusp. Cameron 1978 catalog ID=278 and weight=0. ALPO/BAA weight=1.
On 1892 May 11 at 22:53UT an Unknown observer, during a partial eclipse noticed an extension of the Earth's shadow beyond the south cusp. Cameron 1978 catalog ID=278 and weight=0. ALPO/BAA weight=1.
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.
In 1921 Oct 16 at UT 22:00-00:00 Genin and others (Russia) observed during a partial eclipse that different parts of Aristarchus crater had brightness of phosphorecence. Cameron says that this is independent confirmation. The Cameron 1978 catalog ID=383 and weight=5. The ALPO/BAA weight=3.
Aristarchus 1966 Oct 30 UTC 01:32-01:48 Observed by Bartlett (Baltimore, MD, USA, 5" reflector x79, x142, x194, S=5, T=3) "S.region of floor granulated & 6 deg bright light brownish tone; rest of crater 8deg bright white". NASA catalog weight=4 (good). NASA catalog ID #992.
On 1956 Nov 19 at UT 00:00? an unknown observer (Cameron gives an AGU meeting reference) apparently saw a TLP in Aristarchus crater. The Cameron 1978 catalog ID=657 and weight=0. The ALPO/BAA weight=1.
On 1988 Apr 03 at UT02:25-02:30 Culver (Harker Heights, X, USA, Meade 2045 reflector, x40, seeing=turbulent) detected flashes coming from just north of the centre of Mare Tranquilitatis. Some of these flashes were of a duration of seconds whilst others were several minutes. Altogether ~20 flashes were seen, and not in the same place. "5 small star-like points could be located - and there were lots of craterlets". The spots were "lined up E-W at N of 10 deg latitude." Colour was not visible on these nor variations. Apparently the observer had seen this type of TLP before but had not reported them. The Cameron 2006 catalog ID=323 and weight=2. the ALPO/BAA weight=2.
On 1970 Aug 12 at UT21:00? an unknown observer commented about Plato: "Light #22, remarkable increase in brightness. #32 subsided & #14 shone out then faded & #16 brightened. (Fort says that till Apr. 1871 selenog recorded 1600 obs. of fluctuations of lights in Plato & had drawn 37 graphs of indiv. lights. These were deposited in the library of the Royal Astronomical Society by Birt)." The Cameron 1978 catalog ID=169 and the weight=3. The ALPO/BAA weight=2.
Aristarchus 1970 Feb 22 UTC 07:00? Observed by Thomas, Stump, Corral. Obs. (Organ Pass, NM, 24" reflector+Moonblink) "Bluing around crater -- vis. in monitor, but not photographable due to clouds." NASA catalog weight=4 (good). NASA catalog ID #1235.
On 1992 Jan 20/21 at UT 23:49-00:15 M.C. Cook (Frimley, UK, 3" Questar telescope, x130, seeing=III) managed to see the central craterlet in Plato and an unnamed one north west of Mons Pico. Cameron comments - "were this & No. 429 LTP or just good seeing?)." Note it is possible that she mean LTP 439 in which case it would refer to the previous nights TLP. The Cameron 2006 catalog ID=439 and the weight=2. The ALPO/BAA weight=1.
Littrow 1915 Jan 31 UTC 22:00? Observer: unknown (England?) "6 to 7 spots arranged like a gamma first seen on this nite. (Kuiper atlas. Rect. 14-c shows spots in form of a 7 or a cap. gamma backwards, but not l.c. gamma)". NASA catalog weight=0 (almost certainly not a TLP). NASA catalog ID #349. ALPO/BAA weight=1.
Aristarchus & A 1965 Nov 10 UTC 01:25-01:57 Observed by Bartlett (Baltimore, MD, USA, 4" reflector, S=6, T=6) "Viol. tinge & radiance around nimbus; used red filter. Aris. A became larger." NASA catalog weight=4 (high). NASA catalog ID #913.
Heraclides Point 1948 Oct 19 UTC 22:00 Observed by Moore (England, 12" reflector?) "Blurred, misty -- La Place was sharp. White diffused bright spot in S. Iridum close to Heraclides pt." NASA catalog weight=4 (high). NASA catalog ID #512.
Lichtenberg area 1940 Oct 18 UT 07:11 Observed by Barcroft (Madera, CA, USA, 6" reflector) "Pronouced reddish-brown or orange color, less marked on next nite, & slight on 22nd, see #'s 477, 478." NASA catalog weight=3. ALPO/BAA weight=2. NASA catalog ID #476.
On 1984 Nov 10 at UT19:15-19:50 R. Moseley (Coventry, UK, the Moon's altitude was low) noticed that the region from the central peak and over and onto the east wall looked unusual. 8 bands were visible, "two on E. wall of c.p. strongest, surrounding collar grey increasing intensely outward. Band at 2 o'clock position was very dark. Bright spot on W. wall at 4 o'clock position." A sketch was made that illustrates bands on either side with bright patch. The Cameron 2006 catalog ID=252 and the weight=2. The ALPO/BAA weight=2.
Posidonius 1849 Feb 11 UT 02:00? Observed by Schmidt (Athens, Greece, 7" refractor) "Bright little crater in it was shadowless. Schroter saw repeated changes in it & others & once saw this crater's shadow replaced by a gray veil. Gruithuisen saw the same thing as Schroter in 1821." NASA catalog weight=4 (high). NASA catalog ID #128. ALPO/BAA weight=3.
Aristarchus-Herodotus 1967 May 29 UT 06:40-07:25 Observed by Anderson (Manchester, N.Hampshire, 10" reflector, x212, S=G, T=E) "After timing sunset on Theophilus & Cyrillus turned to Aris.-Herod. At 0640 saw red- brown color centered at ?=.685, eta=+.390. Glow strongest at largest area at 0640. Decreased in area but not in intensity to 1/2 its size at 0648. At 0650 color gone. Seen again at 0658 but not so pronounced. Faded out at 0700, obs. terminated at 0725. (Haas thinks it might have been atm. dispersion at such low alt. of 12-17 deg)." NASA catalog weight=1. NASA catalog ID #1038. ALPO/BAA weight=1.
On 1981 Dec 16 at UT 17:45 B.W. Chapman, Kingston-Upon-Thames, UK, 11.5cm refractor, seeing II, trasnparency Fair) found the east outer ridge brighter in red - inclined to blue. The ALPO/BAA weight=1.
On 1981 Dec 16 at UT 17:45 B.W. Chapman, Kingston-Upon-Thames, UK, 11.5cm refractor, seeing II, trasnparency Fair) found the west inner ridge lighter in red, and so to the east and south- west floor. The ALPO/BAA weight=1.
On 1964 Jun 30 at UT 05:50-06:10 Bartlett (Baltimore, MD, USA) observed the following in Aristarchus: "Nimbus only -- dark viol. hue. S. part of Aris. floor was granualated & a brown tinge -- changed to yellow & a brown tinge at 0500. First time he ever saw such a change in color. (this obs.listed in 210 & MBMW as June 20, but is a misprint)". The Cameron 1978 catalog ID=828 and weight=4. The ALPO/BAA weight=3.
Near Calippus 1973 Jan 25 UT 19:20-19:30 Observed by Frank (E.Pepperell, Massachusetts, USA, 6" reflector, x100, S=G) "Bright spot nr. Calippus. Sketch (Calippus alpha, or unnamed peak N. of it?). Est. albedo=8.5 & surroundings at 0.5 at 1015h. Obj. not noticeable at all during 1st 1/2 cycle thru FM in Dec. & Jan. (ALPO-LTP prog.)" NASA catalog weight=0 (very unreliable). NASA catalog ID #1360.
White spot in Walter 1973 Jan 25 UT 19:20-19:39 Observed by Frank (E.Pepperell, Massachusetts, USA, 6" reflector, x100, S=G) "White spot in Walter barely distinct fr. surroundings & crater rim. It's albedo=8, surroundings=7 (ALPO-LTP prog.)" NASA catalog weight=3. NASA catalog ID #1360. ALPO/BAA weight=2.
Aristarchus 1976 Nov 13 UT 05:25 Observed by Bartlett (Baltimore, MD, USA, 3" refractor, 54-200x, S=6, T=4) "Floor 8deg except S.=6deg which is also granulated & la pale yellow. Different aspect fr. other obs. at same col. Viol. in outer nimbus. Bright blue-viol. glare where viol. radiance was on 11th. SWBS still large & 9 deg bright." NASA catalog weight=4 (high). NASA catalog ID #1457.
Aristarchus 1976 Nov 14 UT 06:09 Observed by Bartlett (Baltimore, MD, USA, 3" refractor, 54-200x, S=5-4, T=5) "Walls & floor 8deg except S.= 6deg, SWBS now smaller but still 9deg. S.floor still granulated & now yellow-brown. Strong viol. tint still on outer nimbus but now viol. radiance (gas?) again on ENE rim as on 11th, but not as on 13th" NASA catalog weight=4 (high). NASA catalog ID #1458.
Aristarchus 1976 Nov 16 UT 06:15 Observed by Bartlett (Baltimore, MD, USA, 3" refractor, 54-200x, S=4, T=5) "Crater very dull except EWBS= 9deg & large. W.glacis=5deg & inner E.wall 6deg. Floor is dull 5deg, c.p.=10 deg. SWBS has disappeared. No viol. anywhere" NASA catalog weight=4 (high). NASA catalog ID #1460.
Rocca 1938 Apr 26 UTC 09:30 Observer Haas? (NM?, USA, 12"? reflector) "Colored (dark?) area was intensity I=1.0". NASA catalog weight=4 (high. NASA catalog ID #434.
On 1941 Mar 31 UT 03:15 Barcroft (Madera, CA, USA, 6" reflector) observed Aristarchus in Earthshine - Haas thought it must have been unusually bright. The Cameron 1978 catalog ID=486 and weight=3. The ALPO/BAA weight=2.
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.
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.
1977 Apr 23 UT19:30-22:45 Foley (10.75" Newtonian and 4.5" refractor, seeing II, transpaency excellent) saw som every large variations in the brightness of Aristarchus whereas other features in Earthshine remained stable. Aristarchus was seen to be blue/violet. ALPO/BAA weight=2.