Grimaldi 1971 Jun 18 UTC 02:12-02:31 Observed by Jorgensen (Denmark, 36" refractor, 60, 200x, seeing good) "Dark reddish spot in SW part of crater. At 60x. Became clearer at 200x & seen in midwest also. At 0331h phenom. clearest in west, while S. region had faded. Air turb. & dawn ended obs. at 0331h. Seen best in yellow filter, well in red, invis. in green & blue." NASA catalog weight=3. NASA catalog ID #1298. ALPO/BAA weight=3.
On 1989 Jun 28 at UT 08:39-09:00 D. Darling (Sun Praire, WI, USA, 3" refractor, x36) discovered that at this time Mons La Hire was the brightest feature on the Moon. LaPrice was also very bright. Cameron quotes that Darling recorded that LaHire had a brightness of 7.0 and LaPlace=7.5. Darling did not think that this was a TLP. The Cameron 2006 catalog ID=369 and weight=0. The ALPO/BAA weight=1.
On 1989 Jun 28 at UT 08:39--9:00 D. Darling (Sunpraire, WI, USA, 3" refractor, x36) noted that promontorium LaPlace was very bright. LaHire brigtness was 7.0 and LaPlace was 7.5. Darling suspects that this was not a TLP because "as did not have mother-of-perl appearance as seen on Piton at times"The Cameron 1978 catalog ID=369 and the weight=0. The ALPO/BAA weight=1.
South Pole 1839 Jul 07 UT 02:00? Observed by Gruihuisen (Munich, Germany) "Twilight" NASA catalog weight=3 (average). NASA catalog ID # 118. ALPO/BAA weight=2.
On 1978 Jan 06 at UT 01:00 Anorati (Firenze, Italy) observed inside a "good sized crater?" an orange light that became bright green. The efect did not recur over the many hours of observing. The observer did not suspect that it was a meteor, but instead produced by an intelligent being????? Cameron suggests a terrestrial meteor? The Cameron 1978 catalog ID=21 and weight=1. The ALPO/BAA weight=1.
On 1981 Nov 23 at UT 10:31 B. Hobdell (St Petersberg, FL, USA, 3?" refractor, seeing=1) observed 3 star-like very bright yellow flashes (approximately 20 sec apart) on the east of Taruntius or on a ridge near this. No additional flashes were seen. The Cameron 2006 catalog ID=159 and weight=1. The ALPO/BAA weight=1.
Jansen-Maskelyne 1969 Jul 20 UT 00:53-01:00 Observed by Jean and Collak (Montreal, Canada, 4" refractor and 6" reflector) "Jean and Collack noted obscur. between Jansen and Maskel. from term. No features discernible here whereas Proc. & Theoph. were already vis." NASA catalog weight=2 (low). NASA catalog ID #1169.
Near Langrenus 1969 Jul 20 UT 00:53-01:00 Observed by McNamara (Canada, 6" reflector) "McNamara saw a flash nr. Lang. (meteor?) Apollo 11 watch)" NASA catalog weight=0 (very unreliable). NASA catalog ID #1169.
On 1970 Jun 09 at UT 23:15-23:30 Celis (Quilpue, Chile, 3" refractor, x60, seeing=good) observed in the Aristarchus region: "Brilliant blue star-like, uninterrupted. The Cameron 1978 catalog ID=1260 and weight=2. The ALPO/BAA weight=1.
Klein (in Albategnius) 1971 Apr 31 UT 21:30 - 1971 May 01 UT 00:00 Observed by Fitton (England, 8" reflector, x200, filters) "Attention distracted from Ptolemaeus to Klein where floor was not normal. It had a pink line at foot of inner N. wall which was bright in sunlight. Pink extended from N. to W. pt. Floor in NW quad. was reddish-brown. All similarly illum. craters were examined & no trace. Klein shifted to all parts of lens but color persisted, but could not be induced in other craters. At 2230h floor took on more color in NW. In filters floor detail vis. in red, almost invis. in blue, c.p. barely vis. Color bright in red, & black in blue filter. In white light looked like atm. above surface. Ptol. was equal in red & blue, & also other craters. All seemed normal again on May 2nd. (date in ref. gives Apr 30, Moore gives Apr 31? Ap 30 wrong as feature not illum on that date, not even illum. on 5/2/71!)" NASA catalog weight=4. NASA catalog ID #1292. ALPO/BAA weight=3.
On 1982 Oct 22 at UT23:55 K. Marshall (Medellin, Columbia) found the NE cleft in Posidonius to be abnormally bright, much more so than the walls of the crater. The ALPO/BAA weight=1.
On 1982 Oct 22 at UT23:45-00:10 K. Marshall (Medellin, Columbia) found the W-NW rim of Proclus was both red and very bright. The brightness is normal, but as no similar colour effect was seen elsewhere on the Moon, this was regarded as a TLP. The Cameron 2006 catalog ID=187 and the weight=3. The ALPO/BAA weight=3.
Biela, Maskelyne 1969 May 23 UTC 02:32-03:00 Observed by Skinner, Perez, Barry, Bernie, Madison (Edinburgh, TX, USA) described in NASA catalog as: "Bright W.rim & 2 spots on N. &SE rim had blink (red -- Trident MB device) & event was in progress at start of obs. Saw nothing without image tube. Could not focus camera so no photos. Blink had ceased when image tube was replaced. Temporary bright reddish spot nr. Mask. photographed, (Apollo 10 watch). 17" reflector used. NASA catalog weight=5. ALPO/BAA weight=5.
On 1969 May 23 at UT03:04-03:10 Jean (Montreal, Canada, 4" refractor, seeing=good, transparency=3.) observed a white patch on the southern horn of the Moon. It enlarged and became coloured pink and blue without filters and reddish in a yellow filter(?). At 03:10UT the area became as normal as the rest of the environment. Other observers participating were: Rousseau (Canada, 8" reflector), Collier (Canada, 5.25" refractor) and Dumas, St. Cyr (Canada, 5.25" refractor). Cameron suspects a real event mixed in with Chromatic Aberation? Apollo 10 watch. The cameron 1978 catalog ID=1138 and weight=3. The ALPO/BAA weight=2.
Maskelyne 1969 May 23 UT 02:32-03:00 Observed by Skinner, Perez, Barry, Bernie, Madison (Edinburgh, TX, USA) descibed in NASA catalog as: "Temporary bright reddish spot nr. Mask. photographed, (Apollo 10 watch). 17" reflector used. NASA catalog weight=5. ALPO/BAA weight=4.
On 1970 Apr 12 at UT 23:56 Loocks (Valparsiso, Chile, 12" reflector, x88) observed a flash of magnitude 10 in Aristarchus - "not as brilliant as usual (obscur. ?). Did not obs. permanent luminosity as in other apportunities. (Apollo 13 watch)" The Cameron 1978 catalog ID= 1243 and weight=3. The ALPO/BAA weight=2.
Cyrillus 1970 Apr 12 UT 23:46-23:52 Observed by Loocks (Valpareiso, Chile, 12" reflector x88, LION network) "Small crater in Western Cyrillus was much brighter than anything in the area". NASA catalog weight=1 (very low). NASA catalog ID #1242.
Mare Numbium 1970 Apr 12 UT 23:46-23:52 Observed by Loocks (Valpareiso, Chile, 12" reflector x88, LION network) "Small crater in Western Cyrillus was much brighter than anything in the area. Earlier he got a blink at 35deg W 15 deg S 10th mag. Drawing (Apollo 13 watch)" NASA catalog weight=2 (poor). NASA catalog ID #1242.
On 1971 May 01 at UT21:00-21:50 Staedke, Jorgensen (Berlin, Germany, x40 with filters) observed on Maurolycus a coloured, luminous projection from the crater into and through the small crater on the north rim. Colour of a dark candlelight then red. Length at diameter of small crater. a drawing was supplied. Cameron 1978 catalog ID 1293 and weight=2.
On 1972 May 19 UT 18:24 observed by Engels (52deg 40'N 9deg 5E, using 10x50 binouculars, transparency 2 out of 5, seeing unknown), a orange to yellow bright flash was seen, lasting 0.1 sec at the southern rim of Mare Crisium. Published in Hilbrecht and Kuveler, Moon and Planets, 30 (1984) p53-61. ALPO/BAA weight=2.
Proclus 2005 Jun 13 UT 16:00-17:10 Observed by Julio Lobo (Campinas, Brazil, 500mm telescope + finder scope) "Glow and reddishness (pink) seen on circular rim. Also crater was intensely bright all over. After 16:30 the brightness fades, returning to normal. The ALPO/BAA weight=3.
On 2012 Feb 28 R. Braga (Italy, Seeing III, Transparency very good, AOG 100mm) UT 19:45-20:00 noted that only the tip of the central peak was visible. Most of the crater was in darkness. When viewed through a red filter, the central peak was visble, but when viewed through a blue filter it was invisible. ALPO/BAA weight=2.
On 1969 May 24 at UT 02:40 Ricker (Marquette, MI, USA, 10" reflector) and Kelsey (Riverside, CA, USA, 8"? reflector). Ricker saw pulsations in Aristarchus, partly confirmed by Kelsey. Cameron comments that it is suprising that Aristarchus could be seen at first quarter - Apollo 10 watch. The Cameron 1978 catalog ID=1142 and weight=5. The ALPO/BAA weight=4.
Proclus 1969 Jul 22 UT 00:30? 01:15-01:25 observed by Classen (Pulsnitz, E.Germany, 8" reflector), Leroy (Pittsburgh, 21.5" reflector x310) and Cutter (Pennyslyvania) "Brightening of crater (Classen). Alternatate brighening of S.part of crater at 15s intervals (too long interval for atm.) while N. half remained constant. Leroy confirmed Cutter. (Both confirmed Classen Apollo 11 watch)." NASA catalog weight= 5. NASA catalog weight=1151. ALPO/BAA weight=3.
On 1982 Aug 26 at UT 21:00 Arsyukhin (Moscow, Russia, 3" reflector) found that Poisson appeared hazy. The Cameron 2006 catalog ID=181 and weight=3. The ALPO/BAA weight=1.
On 1982 Oct 26 at UT 20:41-22:22 P. Madej (Huddersfield, UK, seeing=II and transparency=good) found that a blurring effect on the crater Yerkes had spread to Picard (~3.5 deg brightness). The effect was not detected in yellow light from the Wratten 15 filter, but a brightness change was picked up in red Wratten 25 light. J.D. Cook found dark surrounding Picard bright illumination. The Cameron 2006 catalog ID=188 and weight=5. The ALPO/BAA weight=3.
Yerkes-Picard 1982 Oct 26 UT 20:41-22:22 and 21:31 Observed by Madej (Yorkshire, England, Seeing II, Transparency Good) and Cook (Frimley, England, Seeing=II, Transparency Good) "(Madej) could not focus Yerkes as well as could Peirce. By 2041 effect extended to Picard (~3.5 deg). In W15 filter not apparent, but albedo change was very marked in W25 red filter. (M. Cook) at 2222 noted faint orange around Yerkes E. Spurious color seen in other areas. Color around Yerkes intermittent. In blue filter it was still orange. (J. Cook) at 2131 noted S rim of moon was orange & seeing was such that it was fizzing. Around Yerkes only orange tint - tending intermittent" Cameron (2006) catalog ID #188 & weight=5 (very good). ALPO/BAA weight=1.
Pico 1976 Mar 12 UT 21:00? Observed by Findlay (England?) "A ray seen extended fr. mt. in SW (IAU?) direction -- likened to a hockey stick. (not seen in Pickering's photo atlas at col.=53 deg)." NASA catalog weight=3 (average). NASA catalog ID #1430.
Aristarchus 1963 Oct 30 UT 05:00-08:00 Observed by Greenacre and Barr (Flagstaff, AZ, USA, 24" Clark Refractor) a violet or purple-blue colour formed beyond the NW of Aristarchus. ALPO/BAA weight=2. This followed an earlier observation that night of two red spots and a pink glow.
Aristarchus 1959 Jan 23 UT 06:20 - Observer: Alter (Mt Wilson, CA, 60" reflector x700) "Brilliant blue in interior later turning white. Photos obtained. (MBMW has this entry twice for diff. dates because source gave UT date as 23rd.)" NASA catalog weight=5. NASA catalog ID = #712. ALPO/BAA weight=4.
Aristarchus-Herodotus 1964 Sep 20 UTC 04:15-04:50 - Observers: Crowe & Cross (Whittier, CA, USA, 19" reflector x390) "Several red spots in area between the 2 craters. No change in phenom. so stopped observing" NASA catalog weight=5 (very good). NASA catalog ID #849.
nr.Ross D 1964 Sep 20 UTC 04:55-05:00 - Observers: Harris & Cross (Whittler, CA, USA, 19" reflector x250) "Opaque, outgassing, obscuration" NASA catalog weight=5 (very high). NASA catalog ID #850.
E. of Pytheas in M. Imbrium 1970 Jun 19/20 UTC 23:54-00:23 Observed by Sendor-Mark (Szolnok, Hungary, 4" reflector x 200) "Bright spot nr. Timocharis (on E. Copernican ray?) decreased slowly for next 8min 19 sec. At 00:11:05 flared up. After 2nd decreasing, brightened again at 00:25:54 after which no variablity. Event was star-like < 3km. No events on 21st." NASA catalog weight=2 (poor). NASA catalog ID=#1262.
Alphonsus 1966 Sep 02 UTC 03:16-04:18 Observed by Whippey (Northolt, UK, 3" refractor) & Corralitos Observatory (Organ Pass, NM, USA, 24" reflector) "A series of weak glows, final flash at 0418h. Not confirmed by Corralitos MB" NASA catalog weight=3 (average). NASA catalog ID 971.
Plato 1966 Sep 02 UT 0625 Observed by Kelsey (Riverside, California, USA, 8" reflector x300) "Landslip at west would not focus. (Ricker not certain it was a real LTP)." NASA catalog weight=2 (low). NASA catalog ID 973.
Gassendi 1966 Sep 03 UT 01:11-01:46 Observers: Moore (Armagh, N. Ireland, 5 & 12" reflectors), Moseley (Armagh, N. Ireland, 10" refractor), Corralitos Observatory (B.Middlehurst, Organ Pass, NM, USA, 24" reflector), Cave , Gill (UK? 6" reflector x365), "Eng. moon blink sys. detected red glows on c.p. & round it. Independently seen by Cave. Not confirmed by Corralitos M.B." NASA catalog ID#975, NASA weight=5. ALPO/BAA weight=4.
Aristarchus 1969 Aug 01 UTC 04:40-05:38 Observed by C. Pamplona e J. Barbosa(Fortaleza, Brazil using 12" x235 and 5" x100 reflectors) - NASA catalog reports: "Enhanced area in SE wall, no pulsation, no color. Usually NW wall is brightest. After 0538h NW region was brightest again, (Apollo 11 watch, indep. confirm. ?)" NASA catalog weight=3. NASA catalog TLP ID No. # 1196. ALPO/BAA weight=2.
In 1963 Oct 05/06 at UT 23:35-00:45 Scarfe (Cambridge, UK, 36" reflector, transparency: hazy - high cirrus) observed very strong luminescence at 50% of the total light (recorded photo-electrically) at Hydrogen alpha (656nm), Sodium-D (589nm) and Fe(RMT 15) 539.71nm, 542.97nm, 543.45nm, 544.69nm, 550.15nm, and 550.68nm. The Cameron 1978 catalog ID= and weight=5. The effect was especially strong in Aristarchus at 545.0nm. The Cameron 1978 catalog ID=776 and weight=5. The ALPO/BAA weight=5.
In 1963 Oct 05/06 at UT 23:35-00:45 Scarfe (Cambridge, UK, 36" reflector, transparency: hazy - high cirrus) observed very strong luminescence in Copernicus at 50% of the total light (recorded photo- electrically) at Hydrogen alpha (656nm), Sodium-D (589nm) and Fe(RMT 15) 539.71nm, 542.97nm, 543.45nm, 544.69nm, 550.15nm, and 550.68nm. The Cameron 1978 catalog ID= and weight=5. The Cameron 1978 catalog ID=776 and weight=5. The ALPO/BAA weight=4.
In 1963 Oct 05/06 at UT 23:35-00:45 Scarfe (Cambridge, UK, 36" reflector, transparency: hazy - high cirrus) observed very strong luminescence in Kepler at 50% of the total light (recorded photo- electrically) at Hydrogen alpha (656nm), Sodium-D (589nm) and Fe(RMT 15) 539.71nm, 542.97nm, 543.45nm, 544.69nm, 550.15nm, and 550.68nm. The Cameron 1978 catalog ID= and weight=5. The Cameron 1978 catalog ID=776 and weight=5. The ALPO/BAA weight=3.
Aristarchus 1970 Apr 24 UTC 07:00 Observed by Thomas
Aristarchus 1961 Nov 27 UTC 23:30 Observed by Kozyrev (Crimea, Soviet Union) described in NASA catalog as: "Emission lines in spectrum of c.p. in red & blue, H2 identified, (he had obtained C2 & Swan bands in Alphonsus in '58 & '59" 50" reflector used. NASA catalog weight=5 (very high). NASA catalog TLP ID No. #755.
On 2009 Jun 11 at UT01:00-01:15 C. Brook (Plymouth, UK, 2" refractor, x25, seeing excellent and no cloud or haze) obsrved fluctuations in the brightness of Aristarchus crater. No brightness fluctuations were seen elsewhere. The ALPO/BAA weight=1.
Plinius 1889 Sep 13 UTC 23:00? Observed by Thury (Geneva, Switzerland) NASA Catalog Event #265, NASA Weight=3 (Average) Event described as: "Unusual black spot with intensely white 4" border over CP. Normal aspect is 2 craters. #260 says that Gaudibert saw same thing in Sep. - confirmed". References: Nature 41, 183, 1890 (April). The ALPO/BAA weight=1, this is probably perfectly normal.
Plato 1982 Sep 07 UT 0330-0430. K.P. Marshall (Columbia, 12" reflector, seeing III) saw no craterlets on the floor of Plato, but what he considered unusual was an extremely bright short section of the north rim of Plato - far brighter than, any other part of the rim, and only slightly less bright than Mons Piton. ALPO/BAA weight=1.
Plato 1915 Apr 03 UTC 23:00? Observed by Markov (Russia) NASA catalog describes observation: "Appearance of bright spots that could even be seen in a 43mm (2-in) tube" 2" refractor used. NASA catalog weight=2. NASA catalog TLP ID NO. #350. ALPO/BAA weight=2.
1886 Oct 16 UTC 22:00 Observed by Lihou (France?) "Unusual phenomena ? (drawing)" Ref Sirius, Vol 20, 45 p69 (1887). NASA catalog weight=1 (very low). NASA catalog ID #252. ALPO/BAA weight=1.
On 1975 Mar 02 at UT05:00-06:18 P.W.Foley (Wilmington, Dartford, Kent, UK, 12" reflector) observed blueness along the southern wall of Plato. This is a BAA observation. Note that it is assumed that this is the same as Cameron's catalog 1975 Mar 02 UT 01:00 or 23:00 report by an Unknown English Observer who apparently observed colour in Plato (Red or violet). The Cameron 1978 catalog ID=1402 and weight=1. The ALPO/BAA weight=1.
On 1890 Oct 03 at UT 22:00 Muller of Germany saw in Posidonius an unusual shadow (Moon low? and crater in dark part-terminator 2 deg past west wall - according to Cameron). Cameron 1978 catalog ID=267 and weight=3. ALPO/BAA weight=2.
Agrippa 1966 Sep 05 UTC 04:47-05:00 Observed by Bartlett (Baltimore, MD, USA, 5" reflector, 283x) "Within the wall shadow, the landslip was faintly illum., est. at 4, & distinctly brownish". S=6-1, T=3-1. NASA catalog weight=4 (good). NASA catalog ID #975.
Copernicus 1955 May 12 UTC 03:40 Observed by Firsoff (Somerset, UK, 6.5" reflector x70) "Pico was invis. in violet filter. Copernicus was bright in it." NASA catalog weight=4 (high). NASA catalog ID #591.
Mt Pico 1955 May 12 UTC 03:40 Observed by Firsoff (Somerset, UK, 6.5" reflector x70) "Pico was invis. in violet filter. Copernicus was bright in it." NASA catalog weight=4. NASA catalog ID #591. ALPO/BAA weight=3.
On 1958 Dec 02 at UT 06:00 an unknown observer detected a TLP on the Moon. The reference for this is from Palm, 1967 Icarus. The Cameron 1978 catalog ID=709 and weight=0. The ALPO/BAA weight=1.
On 1975 Mar 04 at UT03:46-06:01 P.W.Foley (Wilmington, Dartford, Kent, UK, 12" reflector) observed bluesness along the southern wall of Plato. This is a BAA observation. The Cameron 1978 catalogue ID is #1403 and has a weight of 1. The ALPO/BAA weight=1.
On 1975 Mar 04 UT 04:01-05:30 P.W. Foley (Wilmington, Dartford, Kent, UK, 12" reflector, seeing excellent, no turbulence, slight frost and mist) had a suspicion of blue on the entire north wall of Aristarchus crater - not seen visually but detected with a Moon Blink device. Crater extremely bright and unable to penetrate it visually. Surrounding areas charp. No red/orange on south wall. All other areas proved negative. Photographs taken. No change in appearance over this time. ALPO/BAA weight=2.
1965 Oct 16 UTC 08:05-10:00 Observed by McLarin (Huntsville, AL, 20" reflector), Bates, Hall (Prt. Tobacco, MD, 16" reflector), Hardie (Nashville, TE, 30" reflector) "Color flashing pulsations intermittently detected by Trident MB device in Huntsville but not seen in Md, or vis. by Hardie when alerted. Pulsations in Cassini different from atmosphere" NASA catalog weight=2 (low). NASA catalog ID #906.
Triesnecker 1966 Jul 10 UTC 02:00-02:15 Observed by Allen (Cambridge, England) and other observations by Corralitos Observatory (Organ Pass, NM, USA). Described in NASA catalog as: "Faint illum. of a ridge in shadow; faded quickly (in BAA judged dubious). Not confirmed by Corralitos MB." 12?" refractor (x280) used at Cambridge and at Corralitos 24" reflector. NASA catalog weight=1 (very low). NASA catalog TLP ID No. #956.
On 1979 Dec 11 at 05:05-05:28 UT A. Crotts (Princton, NJ, USA, CCD camera and spectrophotometer) "Spectral Photometer recording - digital pics. With spectral slit. CED eff 2%." Cameron 2006 catalog ID=77 and weight=5.
On 1979 Dec 11 at 05:05-05:28 UT A. Crotts (Princton, NJ, USA, CCD camera and spectrophotometer) TLP detected in Mersenius : "Spectral Photometer recording - digital pics. With spectral slit. CED eff 2%." Cameron 2006 catalog ID=77 and weight=5. ALPO/BAA weight=4.
Aristarchus 1965 Oct 18 UTC 07:30-07:36 Observed by George, Dervas (Huntsville, Alabama, 20" reflector x125) "Color with intermittent displays, detected with Trident MB device. Observers dubious. NASA catalog weight=2 (low). NASA catalog ID #907.
1965 Aug 21 UTC 06:55-08:05 Observed by Gilheany, Johnson, Segerstrom (Port Tobacoo, MD, USA) described in the NASA catalog as: "Color patch detected by Trident; MB device. Color was pink. Astronauts on Gemini 5 saw terrestrial auroras from space on this date". 16" reflector used. NASA catalog weight=5 (very high). NASA catalog ID No.#890.
Aristarchus 1983 Aug 03 UT 0305-0400 Observed by R,Moseley (Coventry, UK, 6" reflector, seeing II, Transparency very good). At the start of the observation, the NE wall and immediate exterior was the brightest area visible (this is normal) and seemed tinged with a faint blue/violet. At 03:45 the impression of colour was fading in the brightening sky, but by 03:55 the colour was back again with a faint violet/purple surrounding the whole formation from E clockwise to N. The observer found it difficult to decide whether it was really a colour on the Moon, or an optical illusion. ALPO/BAA weight=1.