Plato 1938 Jul 15 UTC 06:50 Observed by Haas (12" reflector?) "Floor -- definitely green under same conditions as 5/17/38 (see #437). Kaiser after 90 obs. couldn't find any regularity to appearance of the brown color in Plato. I=3.7 comp. with I=2.0 on 6/15/38 (see #439-- color of ground?)." NASA catalog weight=4 (good). NASA catalog ID #440.
On 1961 Jul 01 at UT 00:00? an unknown Miranova (Russia or Israel) obtained some spectral photometry of lunar objects. A spectral plate in 425 -> 500nm bands. The Cameron 1978 catalog ID=743 and weight=5. The ALPO/BAA weight=3.
Aristarchus 1970 Jan 25 UT 07:00? Observed by Thomas, Rogers, Corralitos Observatory (Organ Pass, NM, USA, 24" reflector, Moon blink) "Bluing around the crater -- vis. in monitor but not photographe due to clouds" NASA catalog weight=4 (high). NASA catalog ID #1233
Madler 1962 Apr 22 UTC 11:48 Observed (2nd mesurement) by Wildey, Pohn (Mt Wilson, CA, USA, 60" reflector with photometer) "Photometric measures show change in brightness from Vmag=3.79 to V=4.40. The average brightness for age 17d is V=3.99. Crater faded from .2 mag brighter than av. to .4 mag. fainter (@1.5 times fainter) than av., a range of .6 magnitude, or @ 1.5 times diff. in brightness". NASA catalog weight=5 (very high). NASA catalog ID #757.
On 1897 Oct 13 at UT 20:00 Pickering (Cambridge, Mass. USA, 15" refractor?) observed in Shroter's valley and the vicinity, "Variations in vapor column" The Cameron 1978 catalog ID=292 and the weight=1. The ALPO/BAA weight=1.
Aristarchus 1976 Aug 13 UT 07:30 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector 45-225x, S=6=3, T=5) "Nimbus around c.p.=2deg, S.floor=6deg & was red; rest of floor=8deg. This is only tint in Aris.). Tonite saw a pale red glow suffasing the S. region of the crater. Bright blue radiance (gas?) on ENE wall. Viol. radiance on plateau m gone tonite. Red glow on 13th & the region was yellow- brown." NASA catalog weight=4 (high). NASA catalog ID #1442.
On 1985 Dec 29th at UT 23:23-23:58, M. Mobberley (Bury St. Edmunds, Suffolk, UK, seeing II-III) made a video scan of the Moon. P.W. Foley examined the tape and noted something that Mobberley had not seen visually. Two scans of Totticelli B had taken place, one at 23:23 and the other at 23:58UT. In the first a brilliant point appeared briefly, on the western rim, positioned at 3o'clock. In the second video sequence this brilliant spot was present continuously and wandered along the rim. It was possible to monitor frequency of turbulence present, this apparent movement did not ppear to conform, although judgement here was extremelydifficult as the feature was at absolute point of resolution, a little better than 0.5 mile. Also considered was the implication of the equipment effect, this did not seem to fit either as other nerby craters in the same configuration, 30% shadow filled with sunlight on exterior of western walls. A point to watch for in future. ALPO/BAA weight=3.
Janssen K 1992 Sep 14 UTC 21:30-0025 Observed by Brook (Plymouth, UK, 4" reflector, Antoniadi II seeing). "Crater > & similar one was sharp EW wall especially bright. Floor in shadow. No obscuration on floor but no detail in bright part could be seen. At 23:20 had dimmed slightly, continued to do so. At 00:40 was noticeably < Began to see detail 00:25, TLP over. G. North (Herstmonceux, 18" reflector) took photos in this time K was grayish, not very bright. C. Brook noticed K very bright condition its rays 1/2 length. L. Harris (UK, 10" Reflector with CCD camera). Cameron 2006 catalog ID=453 and weight=5.
Area of darkness overlapping NW rim. It was visible through this area of obscuration. Sketch. Cameron 2006 extended catalog ID=376 and Cameron weight=3. ALPO/BAA weight=2.
Messier & A 1972 Aug 27 UT 08:51-09:21 Observed by Hansen (LeMoore, CA, USA, 6" reflector, x200) "Perculiar thread of shadow connecting the 2 craters. Sun's elev. @ 6deg. Drawing (possibly a high peak on E.wall of A casting a shadow?)" NASA catalog weight=1 (very low). NASA catalog ID #1342.
In 1897 Oct 14 at UT 00"50 Pickering (Cambridge, Mass. USA, 15" refractor?) observed "Refractive displacement of lunar atm. at bright limb was 0.4" (time is for occultation of Alctone in Pleiades)" The Cameron 1978 catalog ID=294 and the weight=3. The ALPO/BAA weight=1. Note this may? refer to an occultation, in which case it will be pointless to observe again for a particular illumination.
Grimaldi 1937 Sep 23 UT 05:00 Observed by Firsoff (Glastonbury, England, 6" reflector + filter) "Variations in green. Strong green on this date. Other dates of variation are: Date Time Color 4/29/37 0930 slight 3/23/38 09?30 strong 7/24/38 0830 gray-green NASA catalog weight=4 (high). NASA catalog ID #424.
On 1944 Mar 12 at UT 23:00 H.P. Wilkins (Kent, UK, 8.5" reflector) observed that Plato appeared incomplete - the central crater had it's north wall obscured. cameron comments that maybe this was due to the low altitude of the Moon? The Cameron 1978 catalog ID=491 and the weight=4. The ALPO/BAA weight=2.
Birt 1972 Sep 25 UT 23:20-23:45 Observed by Doherty (Stoke-on-Trent, England, 10" reflector x280, S=VG) "All bright areas were similar in intensity (albedo) but 2 larger ones at times seemed brighter. N & S. The E. IAU? wall of the small craterlet showed most prominently & at times suspected a faint pt. of light just W. of its center. This was very suspect however." NASA catalog weight=1 (very low). NASA catalog ID #1345.
In 1955 Oct 05 at UT 03:40-03:48 Bartlett (Baltimore, MD, USA, 5" reflector, x180, S=6, T=5) observed in aristarchus an itenseley bright blue-violet glare on EWBS, E, and NE wall. The Cameron 1978 catalog IF= 620 and weight=4. The ALPO/BAA weight=2.
Near Kepler 1966 Dec 31 UT 03:00? Observed by Petrova, Pospergelis (Pulkova Observatory, Russia) "Special glow in this area. Confirmed by photoelectric method (Petrova) & polarimetric (Pospergelis?) almost simultaneously recorded by both" NASA catalog weight=5 (very high). NASA catalog ID #1007.
C.Brook (Plymouth, UK) noticed that the east wall of this crater was brighter than the walls of nearby craters. Cameron comments that Foley says that this is normal and agrees. Cameron 2006 Catalog Extension ID= 433 and weight=1. ALPO/BAA weight=1.
Plinius 1937 Jul 27 UT 04:37 Observed by Haas (Alliance, OH, 12"? reflector) "E. end of c.p. varied in intensity at similar lighting conditions. Intensity was low est on this nite, being at I=5.0. Other nites were: Date Time col. I 6/23/37 0600 84 8.5 7/20/37 0200 58 6.0 7/22/37 0300 78 6.5 9/22/37 0700 114 6.0 9/24/37 0830 142 6.5 10/17/37 0100 59 8.5 10/21/37 0500 109 8.5 NASA catalog weight=4 (good) on this and the nights listed. NASA catalog ID #422. ALPO/BAA weight=3.
Something resembling a cigar shaped shiny object seen on S rim - hanging over a smaller crater. It looked like a bright aluminum can in the sun & cast a shadow onto the rim. The length was 8-10 miles long x 1 mile wide at the central point. It appeared tapered to points at both ends. Observer studied it for several hours. S term. ~60-70miles away. Apparently not related to topog. Alt. 8deg. Cameron 2006 Extension catalog weight=3. ALPO/BAA catalog weight=1.
On 1964 Feb 02 at UT08:30-09:40 G.Reneau and B.Crowe (2.4" refractor, x90)observed Ross D to be double. This was during a time when observers were looking for a Ranger crash plume. The Cameron 1978 catalog ID=799 and weight=1. The ALPO/BAA weight=1.
Aristarchus 1969 Dec 28 UT 00:24 Observed by Kilburn (England, 6" reflector x192) "Blink in same place as #1231. Very faint and large area." NASA catalog weight=3 (average). NASA catalog ID #1232.
Plato 1975 Jun 28/29 UT 23:00-01:20. Foley (Wilmington, UK, 12" reflector, seeing, III, good clarity transparency). At 23:00, 00:30, and 01:15 blue was seen on the inner wall:floor southern boundary, and red on the corresponding northern floor:wall boundary. However by 01:20, blue was now on the S-NW floor:wall boundary, and red on the NE-SE floor:wall boundary. Atmospheric spectral dispersion existed in many regions, but did not change like the colours in Plato. Similar appearance craters such as Grimaldi, Schickard, and Riccioli, were checked for a similar change in colour, but no change was noticed in these. ALPO/BAA weight=1.
Aristarchus 1975 Nov 15 UT 06:34 Observed by Rule (Edinburgh, Scotland, 4" reflector x36) "Blue patch in crater (similar to many of Bartlett's obs.?)" NASA catalog weight=2 (low). NASA catalog ID #1383.
Aristarchus 2004 Dec 02 UT 01:55-02:45 Observed by Brook (Plymouth, England, 60mm OG x120) "Fluctuation in the brightness and definition of A of about 1/4 to 1/2 minute period. Rest of field unaffected. Checked for cloud wih naked eye during fades - negative. Checked for misting and tear salt on eyepiece by shifting A around the field - negative." BAA Lunar Section report.
Aristarchus 2004 Dec 02 UT 03:00 Observed bt Michael Amato (West Haven, CT, USA, 127mm Maksutov, x123) "The brightness variation (as seen by Brook earlier) was very apparent. One thing never seen before by Amato was a thin short bright ray that extended out in the opposite direction as Aristarchus bright ray". The higher the Moon climbed in the sky the more obvious this short thin bright ray became. An ALPO report.
Aristarchus 2004 Dec 03 UT 00:00-01:00 Observed by Brook (Plymouth, England, 60mm OG x120) "Fluctuation in the brightness in Aristarchus still present but less pronounced than yesterday. Also saw the bright short ray on the opposite side to the main ray in Aristarchus that Amato saw yesterday - but this may be normal?" BAA Lunar Section report.
Plato 1975 Jun 29/30 UT 23:05-00:30. Foley (Wilmington, UK, 12" reflector, seeing, III, good clarity transparency). At 23:05, blue was seen on the inner wall:floor southern boundary, and red on the corresponding northern floor:wall boundary. However by 00:30, blue was now on the W floor:wall boundary, and red on the E floor:wall boundary. Atmospheric spectral dispersion existed in many regions, but did not change like the colours in Plato. Similar appearance craters such as Grimaldi, Schickard, and Riccioli, were checked for a similar change in colour, but no change was noticed in these. ALPO/BAA weight=1.
S. Beaumont of Windemere, England noted that the crater appeared to be divided into two. Cameron 2006 Extension catalog ID=381 and weight=3. ALPO/BAA weight=1.
P.Foley (Nettlestead, UK, 12" reflector) noticed a translucent bluish glow in Earthshine coming from this crater, despite it being close to the nright terminator. Cameron 2006 catalog extension ID=200 and weight=2. ALPO/BAA weight=3.
Marcus Price (Camberley, Surrey, UK) noted that Aristarchus was extremely bright. A 6" reflector was used. The Cameron 2006 Catalog ID is #98 and the weight is 1. The ALPO/BAA weight is 1 too.
On 1997 Jul 25/26 at UT 23:00-00:00 S. Fox (Dundee Tayside, Scotland, UK, 15cm f/5 reflector with x4 Barlow). A series of photographs were taken that show a glow just beyond the terminator, near to Callipus crater. Almost certainly this is lens flare from the Barlow lens. The ALPO/BAA weight=1.
M.C. Cook (Frimley, UK, seeing=III-II) noticed that the crater had a blue/green colour and that this varied, filling a large circular patch, brightly illuminating to the ESE-SSE (IAU?) spilling over the wall and the rim. Shadows inside the crater were large and elongated. The filter response was greater in the blue than through a yellow or red Microfiche. Spurious colour was noticed elsewhere but not in Aristarchus. Cameron 2006 extension catalog ID=313 and weight=3. ALPO/BAA weight=3
On 1821 Nov ? at UT 19:00 an unknown observer (in England) reported "Bright spots on the moon. (if early phase, date would be 26th-29th) 4 other instances mentioned. Fixed streaks of light in dark part -- first one stated as moving. The cameron 1978 catalog ID=94 and weight=2. The ALPO/BAA weight=1.
Messier A 1976 Sep 15 UT 21:05 Observed by J.H-Robinson (Teignmouth, UK, 26cm Newtonian, Wratten 25 and 44a filters, x200, seeing very poor). Messier A was fainter than Messier in blue light. ALPO/BAA weight=1.
Eratosthenes 1976 Aug 18 UT 06:12 Observed by Bartlett (Baltimore, MD, USA, 4.5" refractor, 45, 225x, S=6, T=3-2) "Again, c.p. is vis. within shadow but much brighter than on Aug, 4 (4 deg) & similar to June at same col. The 2nd bright spot seen in June was not seen tonite. (roughness on walls seen in LO IV & V pics show why these pseudo- shadows appear)." NASA catalog weight=4 (high). NASA catalog ID #1445.
Eratosthenes 1976 Jun 20 UT 07:57 Observed by Bartlett (Baltimore, MD, USA, 4.5" refractor, 40-450x, S=6.5, T=4-3) "Floor covered with shadow & c.p. seen as 5deg bright spot. Another minute spot 5deg bright on SE floor in shadow. (only low hills on floor in SE. spot on terrace?" NASA catalog weight=4 (high). NASA catalog ID 1436.
Tycho 1992 Aug 21 UT 07:58-10:59 Observed by Darling (Wisconsin, USA, 16" & 11" reflectors, visual, photographic, CCD video observations made) "At 08:56UT a V-shaped glow started to appear in the shadow to the east of the central peak" ALPO TLP report. See: http://www.ltpresearch.org/ltpreports/ltp19920821.htm ALPO/BAA weight=1.
On 2012 Oct 08 UT12:00 C. Hastorf (Chuck's Bobcat, AZ, USA, 5" SCT, seeing 3.5-4 out of 5). Strange lightness seen on shadowed floor of Plato. ALPO/BAA weight=1.
Vitello 1939 Aug 09 UT 08:00 Observed by Haas? (NM?, USA, 12?" Reflector) "S.part of dark area was I=4.0 comp. with #452 & #453, when cond. were similar on all 3 dates (phase similar too -- normal tonite?)" NASA catalog weight=4 (high). NASA catalog ID #457.
2012 Sep 09 UT 23:11-23:37 A.Mineev (Russia) observed a bright flash near to Encke. ALPO/BAA weight=1.
Aristarchus 1976 Oct 18 UT 07:42 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector and 3" refractor, S=3, T=5) "Inner E. wall 6 deg with very large EWBS at 8deg. No viol. color anywhere & floor was gray at 4 deg (very low). C.p. is only 8 deg. At base of c.p. between peak & advancing shadow a very faint but definite red glow was seen. It was also seen later in the 3" refr. Was confined to W.base of peak & no color on E. base tho. carefully searched for. This red glow was unique in his experience of 28 yrs. His obs. thru. col. 223deg saw nothing more unusual." Cameron 1978 catalog weight=4 and ID #1455.
On 1964 Jun 28 at UT 08:20-09:10 Schmidling, St Clair, and Platt (Riverdale, New York, USA, 8" reflector, x256) observed in the Aristarchus, Herodotus, Schroter's valley area: two red spot glows, glimmer, looked like ruby gems. Cameron says that the date was predicted by Greenacre and looked for. The Cameron 1978 catalog ID=817 and weight=5. The ALPO/BAA weight=4.
Herodotus 1976 Aug 21 UT 08:40 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector, 45-300x, S=4-3, T=6) "Pseudo peak seen as 5deg bright spot lying on diagonal dark band that crosses the floor from NE to SW & becomes vis. only at low sun. Never saw the pseudo peak in afternoon before -- usually vis. only nr. sunrise, (this would be expected if it is a low hill as seen on Apollo oblique pics). Other times c.p. seen were May 11 (6deg), Jun 10 (13 deg), Sep 6 (8 deg), Sep 7 (21 deg) & Sep 19 (10 deg) solar altitudes. (21 deg seems too high a slope for the hills)." NASA catalog weight=4 (high). NASA catalog ID #1446. ALPO/BAA weight=3.
Plato 1976 Sep 20 UT 20:25 Observed by J.H-Robinson (Teignmouth, UK, 26cm Newtonian, Wratten 25 and 44a filters, x200, seeing unsteady, Moon low). Light areas in Plato were clearer in red than in blue light. ALPO/BAA weight=1.
On 1981 May 01 at UT 10:00 B. Hobdell (St Petersburg, FL, USA, 2?" refractor) observed in Lacus Mortis, some blue flashes for about two minutes at 10:00UT. The Cameron 2006 catalog ID=134 and weight=1. The ALPO/BAA weight=1.
On 1981 May 01 at UT10:05 B. Hobdell (St Petersburg, FL, USA, 2?" refractor) observed a small blue flash in Plinius? The Cameron 2006 catalog ID=134 and weight=1. The ALPO/BAA weight=1.
A woodcut from Worms, Germany, shows a star between eyes of the "Man in the Moon". This is a star like appearance on the dark side. Cameron 1978 catalog weight=6. Cameron 1978 TLP ID No. 6. It is possible that this was in the region of Calippus. The ALPO/BAA weight is 1. Julian date 1540 Nov 26. Gregorian date 1540 Dec 06.
On 1867 May 06 at UT 20:00-22:00 Tempel (Germany?) and Flammarion (France?) observed Aristarchus to be a reddish-yellow beacon-like light. Left (E. ?) side of crater very bright luminous point. The Cameron 1878 catalog ID=152 and weight=5. The ALPO/BAA weight=4.
On 1969 Dec 12 at UT 00:00-01:50 Celis et al. (Paso Hondo, Santiago, Chile, 10" refractor, x90, 3" refractor, x135, seeing=very turbulent and altitude low) observed star-like points on Aristarchus - these were much brighter than points seen in Herodotus. Formed irregularly and doubled for 1-2 sec duration. Cameron suspects atmospheric abberation? The Cameron 1978 catalog ID=1229 and weight=0. The ALPO/BAA weight=1.
On 1969 Dec 12 at UT 00:00-01:50 Celis et al. (Paso Hondo, Santiago, Chile, 10" refractor, x90, 3" refractor, x135, seeing=very turbulent and altitude low) observed star-like points on Herodotus - these were not as bright as those seen in Aristarchus. Formed irregularly and doubled for 1-2 sec duration. Cameron suspects atmospheric abberation? The Cameron 1978 catalog ID=1229 and weight=0. The ALPO/BAA weight=1.
On 1981 May 07 at UT00:55-02:00 B. Hobdell "St Petersberg, FL, USA, Seeing 1, heavy cloud cover and interrupted sightings) saw some brightenings (bluish normal glow to white colouration) - these were sporadic and of fairly long duraion. 00:55 UT two brightenings seen. 00:59UT a white flash was seen. 01:05 Brightenings to white. The crater at times became dim and suddenly brightened, however Kepler, Copernidus, and Grimaldi were easily seen. Highlands were a light blue compared to darker areason theMoon. 02:25UT brightenings in Aristarchus seen. 01:59:15 Aristarchus white brightenings. 01:59:55 another brightening. An occultation on the NNW limb was seen at 01:59:15UT. By 02:00 the Moon was 16 deg above the horizon, but can still see earthlit fearures. 02:15 Can barely see Aristarchus. 02:25 Observation finished. ALPO/BAA weight=1.
On 1867 May 07 at UT 20:00-22:00 Tempel (Germany?) and Flammarion (France?) observed Aristarchus to be a reddish-yellow beacon-like light. Left (E. ?) side of crater very bright luminous point. The Cameron 1878 catalog ID=152 and weight=5. The ALPO/BAA weight=4.
Barker's Quadrangle (26W, 34S) 1949 Mar 03 UT 20:00 Observed by Moore (England, 12" reflector) "Whole area hazy. (in Capuanus? see Wilkins and Moore, The Moon, p124) (It may not be this identification as 3 of 4 obs. are in dark, some nr. FQ so doubtful it could be seen)." NASA catalog ID #516, weight=4. ALPO/BAA wight=2.
On 1965 Dec 27 at UT Bornhurst (Monterey Park, CA, USA, 10" reflector) and (Harris (Whittier? CA, USA, 19" reflector?) observed brightening of Aristarchus in Ashen light. Cameron says that this is an independent confirmation? The Cameron 1978 catalog ID=918 and weight=4. The ALPO/BAA weight=2.
On 1981 May 08 at UT 00:00-00:45 B. Hobdell (St Peterburg, FL, USA, 2"? refractor) observed Aristarchus to be undergoing brightenings in Earthshine. Tha Cameron 2006 catalog ID=136 and the weight=1. The ALPO/BAA weight=1.
On 1982 May 26 at UT 20:25-20:40 Kalauch (Berlin?, Germany, 9" refractor, x60, T=1(best) and scintilation=2) found Aristarhus to be "very visible" in Earthshine - which was very clear. At 20:25 UT Aristarchus was seen to blink irregularly and then it attained magnitude 7 (red). Telescopes and eyepieces were changed but did not effect the appearance. It disappered at 20:40UT. Cameron 2006 catalog ID=168 and weight=2. ALPO/BAA weight=2.
On 1988 Dec 12 at 17:32 Middleton (Brighting on Sea, England, UK) was awaiting an occultation of star SAO 189425 at a PA of 45deg with respect to the north, when he spotted a "point of light flash up", disappear at the limb at a position angle about halfway between N. Cusps and star entry". Cameron wonders if this was ameteor in our own atmosphere, or on the Moon? The cameron 2006 catalog ID=341 and the weight=1. The ALPO/BAA weight=2.
On 1983 Feb 15 at UT 18:00? G. Amery (Reading, UK) found that he could not see Aristarchus in Earthshine, despite less normally priminent features being clearly seen. This observation was confirmed. Other observers were: Moore, Cooks, and Foley. The Cameron 2006 catalog ID= 203 and weight=2. The ALPO/BAA weight=2.
On 1986 Mar 15 UT 19:51-19:55 A. Cook (Frimley, UK, Naked Eye and 12" reflector, x60, seeing IV, transparancy poor) observed a naked eye flash at 19:50.5 UT in the Mare Nubium area. The flash was white in colour and lasted not longer than 0.5 sec and was about magnitude 2 at most in brightness. There was no rise or fade associated with this flash. Upon checking the area with the telescope, the observer reproted seeing a faint fuzzy small patch that came and went over several seconds in the same general area - but this may have been due to the seeing conditions and/or glare from the bright side of the Moon. The patch area was about the same size as Aristarchus, i.e. approx 40 km across. Note however that observing conditons were too poor that night to see Aristarchus. At later observing sessions from 20:30UT onwards, the patch was not seen. The ALPO/BAA weight=3.
On 1990 Jan 01 at UT 16:55-18:45 H. Miles (Cornwall, UK) observed that Aristarchus was seen in Earthshine at 16:55UT before the limb (was visible in Earthshine?). "1705 Aris>>1723 fading 1727 > again." Then: "1740 Aris << and just visible at 1845". Apparently Foley suspects that Aristarchus had brightened up before 16:55UT (shwen H. Miles started to observe) and then gradually retruned to normal. The Cameron 2006 catalog ID=385 and the weight=0. The ALPO/BAA weight=1.
On 1990 Jan 01 at UT 17:29 H. Miles (Cornwall, UK) observed that Copernicus had a faint glow in it. The Cameron 2006 catalog ID=385 and the weight=0. ALPO/BAA weight=1.
E. of Picard 1909 Mar 26 UTC 19:15-20:20 Observed by Neate (England, 4" refractor x170) "Bright spot. (feature is similar to Linne. Rays difficult to see till high sun). Hazy ill-defined brighter in S. (Draw.)." NASA catalog weight=1 (low). NASA catalog ID #329.
On 1881 Sep 28 at UT 03:00 Day (Prescott, AZ, USA) observed a comet- like object pulling across the Mon. The Cameron 1978 catalog ID=225 and the weight=2. The ALPO/BAA weight=1.
1951 Jan 13 UT 00:43 L.T.Johnson (USA) observed a faint flash near W limb in earthshine - just S of Grimaldi. ALPO/BAA weight=1.
On 1983 Feb 17 at 19:00?UT G. Amery (Reading, UK) noticed that Aristarchus was not visible in Earthshine, despite other less prominent features being seen. The observation was confirmed by other observers. The Cameron 2006 catalog extension ID=204 and the weight=2. The ALPo/BAA weight=2.
On 1983 Feb 17 at 19:00?UT G. Amery (Reading, UK) noticed that Messier was ill-defined. The Cameron 2006 catalog extension ID=204 and the weight=2. The ALPo/BAA weight=1.
On 1969 Oct 16 at UT 00:00-00:30 Celis (Quilpue, Chile, 3" refractor, x60, seeing=very good) observed brilliant points at 8.5 magnitude in Aristarchus. This was not seen the next night or the one after, nor after 5 days age. The Cameron 1978 catalog ID=1204 and weight=1. The ALPO/BAA weight=1.
On 1994 Jun 14 UT 21:45-22:00 G.Rogers (Crendon, UK, 3" Zeiss refractor, sky conditions perfectly clear) reported seeing three very large whitish clouds against the Moon. The strongest seemed to "stem" from the vicinity of Santbech crater (crater identified the next day from an atlas), and was a milk chocolate colour near the stem. The other two large clouds were to the north - in the general area of Mare Fecunditatis and Mare Crisium though perhaps slightly further west and in contact with the terminator? The effect was confirmed (independently) by 4 other observers using the same telescope. The telescope was moved but the clouds remained in the same position over the Moon. This report comes from The Astronomer Jan 2013 p 230. ALPO/BAA weight=1.
Kant 1873 Jan 04 UT 23:00? Observed by Trouvelot (Cambridge, Mass, 8" refractor) "Luminous puplish vapors" NASA catalog weight=3 (average). NASA catalog ID #180.
On 1983 Feb 18 at 19:00?UT P.W. Foley (Kent, UK) noted that the southern Mare Crisium appeared to be obscured by a pale grey haze. Cameron 2006 catalog extension ID=205 and weight=3. ALPO/BAA weight=2.
On 1983 Feb 18 at 19:00?UT P.W. Foley (Kent, UK) noted that Toricelli B was steel blue in colour and this spread 10-15 miles outside the crater. This was odd because Torricelli B was only 6 miles in size. Cameron 2006 catalog extension ID=205 and weight=3. ALPO/BAA weight=2.
On 1794 Mar 07 at UT 20:00 Stretton and Wilkins (England, UK) observed Aristarchus appearing as a light like a star in Earthsine to the naked eye(independent confirmation according to Cameron?). The Cameron 1978 catalog ID=73 and 74 and the weight=5. The ALPO/BAA weight=1.
SE of Ross D 1964 Feb 19 UT 03:00 Observed by Bender (Whittier, CA, USA, 19?" reflector) "Variations in the ring" NASA catalog weight=1. NASA catalog ID #800. ALPO/BAA weight=1.
Schroter, from Lillenthal in Gemany, in 1789 (possibly it was 1788) Sep 26 UT 04:30 saw a small nebulous bright spot on the northern edge of Mare Crisium. Cameron 1978 catalog ID=50 and weight=3. ALPO/BAA weight=2.
On 1895 Sep 25 at UT 20:00? Gaboreau (Paris, France) observed on the Moon s shaft of light (same observation as Cameron's TLP report #281 and further more it is on the same day and month as it was back in 1893. The Cameron 1978 catalog ID=286 and weight=0. The ALPO/BAA weight=1.
Menelaus 1976 Sep 01 UT 00:40 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector, 45-300x) "Upper 1/2 of W.wall bright white (8deg). Lower 1/2 much duller at 4 deg & distinctly bluish-gray. Same as seen in Aris. & Grimaldi & thinks it is due local agency (gas?)." NASA catalog weight=4 (high). NASA catalog ID #1447.
On 1987 Nov 27 at 19:35-21:04 UT M.C. Cook (Frimley, UK, seeing IV-V) saw spurious colour on the crater floor and also on the rim. Two bright spots were seen on the west rim (the brightest one was on the NW rim). Saw >>N-NW lip 21:00UT blink in red. The was apparently confirmed by A.C. Cook (according to Cameron) at 21:04UT. The ALPO/BAA weight, in view of the poor observing conditions is 1.
On 1987 Nov 27 at 20:56-21:12 UT M.C. Cook (Frimley, UK, seeing IV-V) saw spurious colour on the Proclus floor and also on the rim. At 20:56UT Censorinus was quite dull and diffuse, spurious colour but no blink. Sketches made. Cameron 1978 catalog ID=314 and weight=5. The ALPO/BAA weight, in view of the poor observing conditions is 2.
On 1983 Apr 19 at 21:45UT M.C. Cook (Frimley, UK) reported that Censorinus' exterior white patch was grayish at this time and there was a "momentary glow outisde the crater to the North West. The Crater Extinction Device brightness measurement for Censorinus was 4.0 whereas Proclus was 4.4. Cook was expecting a lower CED brightness measurement. Foley notes that Censorinus is usually brighter than Proclus. On 1983 Jan 29 Chapman obtained a very high brightness measurement for this spot. The Cameron 2006 catalog extension ID=212 and the weight=3. The ALPO/BAA weight=2.
On 1983 Feb 19 at 20:00UT P.W. Foley (Maidstone, Kent, UK, 12" reflector) noticed a deep steel blue colour inside Toricelli B with a lighter colour about 10-15 miles outside. Foley came to the conclusion that this was too visible for its size. Cameron 2006 Catalog extension ID=206 and weight=3. ALPO/BAA weight=2.
Archimedes 1966 Mar 29 UT 21:00 Observed by Hill (England, 24" reflector, x250, S=E) "Brightening of E-W bands across floor. (Obscuration accord. to Moore)" NASA catalog ID #923. NASA catalog weight=3. ALPO/BAA weight=2.
Ptolemaeus 1978 Apr 15 UTC 21:54-22:20 Observed by A.Cook (Frimley, Surrey, UK, 12" reflector x240, S=IV (Antoniadi)) "Small triangular area on the NW floor of the crater, at the foot of the rim, was slightly brighter in blue light than in red (Moonblink used). Suspected this was due to the poor observing conditions. Certainly blink reaction was not unmistakable". ALPO/BAA weight=2.
On 1987 Nov 28 UT at 20:14 (possibly earlier)-20:44 M.Mobberley saw the northern rim of Proclus very bright for first quarter. There were streaks half way up the wall and these seemed to vary in brightness and length in seconds. Seeing was at first suspected but became doubtful over this being a cause. There was also another bright streak that changed brightness over 5 minute intervals (Cameron says that this is not atmospheric) Apparently video was taken and confirms the effects. A sketch was also made. M. Cook detected a blink with coloured filters i.e. being brighter in red light (Also apparently confirmed by Louderback). Estimated the north west wall was x3 brighter than Censorinus. Censorinus itself varied in brightness as measured using CED devices. P. Foley decided that the north was was much brighter than Proclus (beyond the limits of the scale. However both Moore and Mason agreed that the north wall of Proclus was very bright but shimmering around in the bad seeing. They did not see any bright spots either. A.C. Cook (20:18-20:44UT) confirmed that the north wall of Proclus was very bright. Towards the end of the observing period the north wall had faded from this maximum brightness - Cameron suspects that this might have been as a result of an eyepiece misting up. The TLP was also observed by Foley (Maidstone, Kent, UK) and he reported: "Bright spot on north wall, Moon blink reaction". A BAA Lunar Section report with extracts from the 2006 Cameron catalog. Cameron 2006 catalog ID=315 and weight=4 (or 5?). ALPO/BAA weight=3. Apart from Louderback, all observers were based in the UK and had a vatiety of telescopes and observings conditions.
On 1987 Nov 28 M. Cook (Frimley, UK) found Censorinus varied in brightness as measured using CED devices. P. Foley decided that the north was was much brighter than Proclus (beyond the limits of the scale). However both Moore and Mason agreed that the north wall of Proclus was very bright but shimmering around in the bad seeing. They did not see any bright spots either. A.C. Cook (20:18-20:44UT) confirmed that the north wall of Proclus was very bright. Towards the end of the observing period the north wall had faded from this maximum brightness - Cameron suspects that this might have been as a result of an eyepiece misting up. The TLP was also observed by Foley (Maidstone, Kent, UK) and he reported: "Bright spot on north wall, Moon blink reaction". A BAA Lunar Section report with extracts from the 2006 Cameron catalog. Cameron 2006 catalog ID=315 and weight=4 (or 5?). ALPO/BAA weight=2. Apart from Louderback, all observers were based in the UK and had a vatiety of telescopes and observings conditions.
On 1986 Nov 09 at UT 23:00 Quinn (Glebview, IL, USA, 8" reflector, x49- x305) found īn the vicinity of an unnamed ridge points toward Pico- two bright points about 5 magnitudes brighter than any other part of the Moon. The Alpine valley points directly between these two points. "Came from apparently featureless area. Both points about the same size, but different shapes ~ width of alpine valley" The observer used 4 different eyepieces and the points were brightest in the lowest power. Other specks of light could be seen in the darkness wound the N point. The Cameron 2006 catalog ID=289 and the weight=3. The ALPO/BAA weight=2.
In 1922 May 04 at UT Burnerd (England?) discovered three long mounds in Archimedes crater (rays?). The Cameron 1978 catalog ID=385 and weight= 0. The ALPO/BAA weight=1.
On 1979 May 04 at 21:30-22:00UT Coates detected a star-like point inside Hipparchus L crater using averted vision. Cameron in her 2006 catalog extension comments that Hipparchus L is a highlands impact crater with a rille on the western ejecta blanket. The crater is the smallest one in a chain that are sequenced to be half the size of the previous crater in the chain. Apparently the largest crater in the chain is Hind with a largely landslide covered floor - although on the south is a dome? with a summit crater. Cameron's 2006 catalog extension gives this TLP an ID of 51 and a weight=2. The ALPO/BAA weight=2.
On 1952 Feb 04 at UT 02:00? J. Carle (USA, 8" reflector, x180) observed the following in Plato: "A shadow in a depression, or a cloud, or an optical illus.? Oval dark area nr. center, disappeared in 15m clear & prominenet at first then vanished 4 of 14 spots nr. center continuously seen while remaining ones seen only momentarily. (seeing?) Drawing includes sketch on March 7. His sketch shows 18 spots, 13 same as here". The Cameron 1978 catalog ID=549 and the weight=2. The ALPO/BAA weight=2.
On 1983 Feb 20 at 20:00UT P.W. Foley (Maidstone, Kent, UK, 12" reflector) noticed a deep steel blue colour inside Toricelli B with a lighter colour about 10-15 miles outside. Foley came to the conclusion that this was too visible for its size. Cameron 2006 Catalog extension ID=206 and weight=3. ALPO/BAA weight=2.
nr. Plato in Teneriffe Mountains 1854 Dec 27 UT 18:00-23:00 Observed by Hart & others (Glasgow, Scotland, 10" reflector) "2 luminous fiery spots on bright side on either side of a ridge, contrasting color. Seemed to be 2 active volcanoes. Ridge was normal color. Spots were yellow or flame color. Never seen before in 40 yrs. of observing." NASA catalog weight=4 (high). NASA catalog ID #129. ALPO/BAA weight=3.
On 2003 Apr 10 at 00:40UT a GLR observer G. Jasmin (Quebec, Canada, using a 10" F-10 Schmidt Cassegrain) took a photograph of Alphonsus crater on Kodak 400ASA film with an exposure of 1/30th sec. There was a light visible (diameter 10 km) inside Alphonsus and the effect was present for 5 minutes. The observer commented that they have seen a light in this crater many times before, but never as long as 5 minutes. This report was submitted to the GLR group in Italy. The ALPO/BAA weight=2.
On 1989 Feb 14 at UT03:45-04:38 D. Darling (Sun Praire, WI, USA, 12.5" reflector, 3" refractor, x90, seeing=3/10 and transparancy=5) noted that there was a dark patch of brightness 4.5 on the south east of Proclus - it was not as dark as it was on 1988 Jul 22. Cameon comments that the dark patch is normal. The north rim of Proclus was 9.0 in brightness, the floor had a brightness of 6.0, the west rim and south wall were both 7.5. The Cameron 2006 catalog ID=352 and the weight=0. The ALPO/BAA weight=1.
Thaetetus 1952 Dec 24 UT 20:00? Observed by Moore (England?) "Bright spot, hazy line of light" NASA catalog weight=4. NASA catalog ID 556. ALPO/BAA weigh=2.
On 1988 Feb 25 at UT20:00? P.W. Foley (Kent, UK, 12" reflector) found that Aristarchus was very bright (especially in the UV end of the spectrum) despite other features not being seen in Earthshine. The cameron 2006 catalog ID=318 and the weight=1. The ALPO/BAA weight=1.
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.
On 2009 Aug 28 at UTC 17:00:15-17:00:42 S. Khachatryan (Yerevan, Armenia, 127mm Maksutov-Cassegrain, x171, seeing 9 (1=worst and 10- best), Transparency 5-6 on a scale of 1 to 6) observed in the Chacornac area a series of fiery sparks (dot like with tiny rays), slightly elongated with the multitudinal rays orientated towards the south west direction. The colour was mostly red, with some yellow. The final flash was the most clear. The TLP was tiny in area, but "was distinctly bright against any other object on the Moon". The positional uncertainty of the location of the spark effect was approximately +/- 150 km, based upon an examination of an atlas afterwards. Just prior to the spark effect, something dark, small and fuzzy (only just discrnable to the eye, through the eyepiece) was seen to pass from the west across the Moon in a slight curve, round the surface of the Moon to the east (post observation estimate: seen for 3.5 sec and covered roughly 8% of the lunar diameter in that time). The area of the dark object was comparable in size to (or slightly less than?) craters such as Autolycus F (diameter 3km) or le Monnier E (diameter 4km) i.e. on the limits of vision of the scope used. The location of the flash was not exactly at the same location as the dark object passed across, but gave the impression of starting from it? A back of the envelope calculation of the lunar diameter covered in the time quoted gives an approximate speed (at the lunar distance) of 80km/s or on the very high end of typical meteor streams that pass by. At closer distances, and recalculated velocities, it is unlikely to be a satellite in low Earth orbit (20m/sec at 100km distance), but could perhaps be a bird or insect at a few km range? So was this dark object something in our atmosphere by chance passing across the field of view close to the time of the TLP flare or was at the lunar distance and related to the TLP? Incidentally, no attempt was made during this observation to move the scope to check that the TLP remained stationary against the Moon. The ALPO/BAA weight=2.
On 1889 Jun 06 at 22:00 UT Lade of France (8" refractor) saw two extremely bright spots (Plato B & D). Cameron 1978 catalog ID=262 and weight=2. ALPO/BAA weight=1.
Menelaus 1969 Nov 17 UT 16:00-19:00 Observed by Rubens de Azevedo,A. Monghilhot, E. Leal e Jose Fernandes (Joao Pessoa, Paraiba, Brazil, 8" and 10" reflectors) "Entire crater of Men. illum. by pale greenish light. (Azevedo)" NASA catalog weight=5 NASA catalog ID #1211a. ALPO/BAA weight=4.
Proclus 1976 Jul 06 UT 01:35 Observed by Bartlett (Baltimore, MD, USA, 3" refractor, 40-450x, S=6, T=3) "Nothing vis. on floor (albedo=2 deg?) (usually features are vis.)" NASA catalog weight=4 (high).NASA catalog ID #1437.
Although the crater was on the night side, a small bright spot was seen. This was blue, almost UV, and equivalent to a star of magnitude 2. It flashed over intervals of about 30 seconds and changed in colour from UV to blue. The BAA Lunar Section TLP network was alerted. Mobberly and J.Cook did not see much although J. Cook may have seen something, but located else where? Cameron lists this as a confirmed? observation? The Cameron 2006 TLP xtension catalog has this TLP with an ID No. of 258 and a weight of 4. The ALPO/BAA weight is 2.
Ross D 1964 Apr 21 UT 04:23-05:01 Observed by the Capens (CA, USA, 16" and 6", seeing 3-5, transparency 5+) "Obscuration of its rim" NASA catalog weight=4. NASA catalog ID #808. ALPO/BAA weight=2.
On 1983 Apr 21 at UT 21:55-22:05 N. King (Winersh, Berkshire, UK, using a 150cm f/8 reflector, with seeing I and transparency good, little spurious colour, just a little in Plato). Although observing since 21:25UT the observer noticed a cery, just detactable faint green colour just after the dark shade around the inner eastern crater rim. The effect faded and by 22:05UT had completely gone. This report is not in the Cameron 2006 catalog. It is a BAA report. The ALPO/BAA weight=2.
Linne 1868 Jul 28 UT 20:00? Observed by Tacchini (Palermo, Italy) "Shadow not so marked-had a light penumbra, indicated a feeble cavity. Other craters had a black shad. On 29th appeared completely white. Crater normal on 26th. (letter to Madler Sep. 16, 1868)." NASA catalog weight=4 (high). NASA catalog ID #159.
On 1995 Sep 03 at UR19:40-20:15 P. Moore (Selsey, UK, 15" reflector at x400) observed that the floor of Plato was much darker than he would normally expect and futhermore no interior craterlets were seen. there was however a white patch that was barely visible at the location of the central craterlet should have been. G. North (UK) attempted to observe nut the Moon was too low and seeing terrible. F. Doherty reported Plato normal. Cameron 2006 catalog ID=475 and weight=3. ALPO/BAA weight=2.
Alphonsus 2004 Feb 29 UT 19:00-19:15 Observed by Brook (Plymouth, England, 60mm OG x120) "Checked central peak of Alphonsus using 60mm OG x120 + right angle prism. Moon at very high elevation, seeing excellent once clouds had dispersed, transparency also excellent. Time of observation 19-00 hrs UT to 19-15 hrs UT. Noticed fluctuation of brightness of A's central peak compared with the peak of Arzachel. Alphonsus' peak generally brighter." BAA Lunar Section report. ALPO/BAA weight=2.
On 1983 Feb 21 at 20:00UT P.W. Foley (Maidstone, Kent, UK, 12" reflector) noticed a deep steel blue colour inside Toricelli B with a lighter colour about 10-15 miles outside. Foley came to the conclusion that this was too visible for its size. Cameron 2006 Catalog extension ID=206 and weight=3. ALPO/BAA weight=2.
On 1952 Feb 05 at UT 05:10 J.Carle (USA, 8" reflector, x180) observed the following in Plato: "A shadow in a depression, or a cloud, or an optical illus.? Oval dark area nr. center, disappeared in 15m clear & prominenet at first then vanished. 4 of 14 spots nr. center continuously seen while remaining ones seen only momentarily. (seeing?) Drawing includes sketch on March 7. His sketch shows 18 spots, 13 same as here". The Cameron 1978 catalog ID=549 and the weight=2. The ALPO/BAA weight=2.
On 1989 Feb 15 at UT 03:15-03:30 M. Dixon (Palenque Ruins, Mexico, 7x35 binouculars) observed a point of light that was very bright in or near Mare Humorum. It was visible for 5 minutes then vanished. The Cameron 2006 catalog ID=353 and weight=1. The ALPO/BAA weight=1.
On 2010 Aug 19 at UT 00:50-01:02 J.Albert (Lakeworth, FL, USA, C11, Transparency 3, Seeing 7-8, 86F and very humid. Oberver checking out repeat illumination condition appearence for Tycho concerning LTP #468 in the 1978 Cameron catalog. Did not see the effect from the original TLP report, but did see, immediately at looking at Tycho a very faint hint of redness in a pencil thin arc (< 1/4 circumference of the rim) confined to the top of the rim of the well-lit north east wall. Coloured arc similar in thickness to Rupes Recta, but not as sharply defined. The outer (E) edge was perhaps sharper than the inner edge. The redness was more on the inside of the top of the rim. The outside of the rim was bright white. This effect was seen in three different eyepieces, at 311x, 224x and 400x. Checked for the effect on other craters nearby but could not see this effect anywhere else. The colour had dissapeared by 01:02UT. The fade took about 1-2 minutes. Observation of Tycho continued until 01:06UT, but all seemed normal. Quick checks were made again on Tycho periodically until 02:50UT but the colour was not seen again. ALPO/BAA weight=3.
On 1979 Jul 03 at UT 20:55-21:20 J-H. Robinson (Teighmouth, Devon, UK, 10" reflector, seeing II) observed that Messier was brighter than Messier A. No colour was observed. The Cameron 2006 catalog ID is 58 and the weight=3. ALPO/BAA weight=1.
On 1964 Feb 22 at UT 05:00 Harris (Whittier, CA, 19" reflector, x100) observed the appearance of a ring to the south east of Ross D. Cameron says that 7 persons have seen this over a 2.5 year period. The Cameron 1978 catalog ID=801 and weight=1. The ALPO/BAA weight=1.
Plato 1949 Mar 09 UT 02:00-03:00 E.J.Reese (6" reflector x240) and one hour later T.R.Hake (5" refractor x300) both unable to see any detail on the floor of Plato, despite both being able to see a "difficult to see" cleft near to the crater Connon. Reese was able to see detail under similar illumination back in 1948 and 1947 and saw the floor craterlets in Plato clearly then. ALPO/BAA weight=1.
Copernicus 1955 Jul 28 UT 20:20 Observed by Firsoff (Somerset, England, 6.5" reflector x200) "Great brilliance of the terraces in E(IAU?) wall system(?) gets specular refl. (he gave 0820UT, but must have meant 2020" NASA catalog weight=4 (high). NASA catalog No. #600.
M.C. Cook (Frimley, UK) got an abnormally low brightness reading for Proclus, despite nearby Censorinus being normal. Crater Extinction Device used. The Cameron 2006 Extension catalog ID was 163 and the weight was 3. The ALPO/BAA weight was 2 too.
Plato 1976 Sep 04 UT 02:35-03:35 Observed by Porter (Sarragansett?, Rhode Island, USA, 6" reflector x100, S=5, T=?) "At 0235h albedo of floor was est. at 3. At 0325h the pt. was albedo =1, 2 whole steps darker than earlier & noticeable to the obs. 10-15 min later it returned to normal. (the few meas. of albedo for this age were 1.5-2 which suggests that the meas. of 3 was the anomalous one. Another pt. did darken -- as reported). NASA catalog weight=3 (average). NASA catalog ID #1448.
On 1989 Feb 16 at UT02:46-03:01 D. Darling (Sun Praire, WI, USA, 3" refractor, x140, seeing=6/10) found that the brightness of the rim of Proclus was 9.0 (normal?). The Cameron 2006 catalog ID=354 and the weight=0. The ALPO/BAA weight=1.
Ross D vicinity 1964 Apr 22 UT 05:43-0637 Observed by Cross et al. (Whittier, CA, USA, 19" reflector, x800-1200 & filters, S=7- 8, T=1) "Gas cloud over it & its companion; everywhere else was fine detail" NASA catalog weight=5. NASA catalog ID #809. ALPO/BAA weight=3.
Daniell 1979 Jul 04 UT 20:40-21:19 Observed by Saxton (UK?, 216mm refractor?, seeing III, transparency: Good) "noticed that the east end of Daniell was bright and fuzzy and had somewhat poorly defined edge to the bright part. A sketch was made, and possibly shows the same as in past reports" BAA Lunar Section Report. Cameron 2006 extension catalog ID=59 and weight=3. Observer located in Leeds, England and used a 9" reflector x250. Seeing=III and transparency=good. ALPO/BAA weight=2.
H. Davies (Llamandel, Swansea, UK, using a 3" refractor, detected a short duration reddish hue along the inner NE-NW? rim (4-7 O'Clock location. Sketch supplied to Foley (BAA coordinator). No similar effect seen elsewhere. A.C. Cook (Frimley, UK) detected spurious colour on several craters, including Plato that night. Cameron 2006 Catalog Extension ID= 337 and weight=0. ALPO/BAA weight=1.
Colour seen, mostly blueness on south rim and exterior of south rim at Bullialdus crater. Blueness seen too on Plato on inner SSW rim, but no colour reported on any other craters. Seeing III, 12" reflector used x200 and x360.
Colour seen, mostly blueness on inner SSW rim. Blueness also seen on south rim and exterior of south rim at Bullialdus crater. No colour reported on any other craters. Seeing III, 12" reflector used x200 and x360.
Arsyukhin and others (Moscow, USSR), with naked eye and binouculars saw three dark spots suddenly appear on Mare Crisium and disappear approximately 30 minutes later. Cameron 2006 catalog extension ID=145 and catalog weight=4. ALPO/BAA weight=2.
Arsyukhin and others (Moscow, USSR), with naked eye and binouculars saw TLP activity in Plato that Cameron thinks confirms what UK observers saw later. Cameron 2006 catalog extension ID=145 and catalog weight=4. ALPO/BAA weight=1.
Alphonsus 1966 Apr 01 UT(?) 03:00-03:20 Observed by Jenning, Harris (Coral Estates, CA, USA, 12" reflector) "Red patch from c.p. to W. wall (no confirm. from Corralitos obs. moon blink device & obs. at that time)" NASA catalog weight=3. NASA catalog ID #924. ALPO/BAA weight=2.
Agrippa and vicinity 1878 Dec 04 UT 20:00? Observed by Capron (France?) "Odd, misty look as if vapor were in or about them" NASA catalog weight=3 (average). NASA catalog ID #209.
On 1980 Jul 22 at UT20:08-21:50 G.North (Sussex, UK, 8" reflector, x144 and x207, seeing III-V and transparency fair) suspected an obscuration on the north and north west wall. The effect came and went. May have been due to seeing and image contrast? Cameron 2006 catalog ID=101 and weight=1. ALPO/BAA weight=1.
Plato 1982 Jun 02 UT 22:00. Mobberley could not see the central craterlet on the floor of Plato tonight. Foley notes that he could only just see the central craterlet on nights of 2-5th Jun and it was of reduced in brightness from normal. North reported that the floor seemed nearly black, but brighter in a green filter (x144 magnification used). All three observers compared the Plato area to other areas for reference. All the above seems normal, apart from the floor being brighter in the green filter. Cameron 2006 extension catalog ID 170 and weight=5. BAA/ALPO weight=3.
A blue tinge was seen inside and outside the crater perimeter. The surrounding halo lost brightness that was observed on 1993 Jan 29. Observed on Apr 19, 20 and 28th. Cameron 2006 extension catalog ID=213 and weight=5. ALPO/BAA weight=3.
On 1990 Jan 07 at UT 20:20-20:58 G.North (Herstmonceux, UK) thought that he detected dullness in Torricelli B crater - Cameron comments that this cannot be shadow). The Cameron 2006 catalog ID=386 and the weight=3. ALPO\/BAA weight=2.
Brilliant blue color seen at first for seconds, later for min 2h later, in blue filter. Cameron 1978 catalog weight=4 (high). Cameron 1978 catalog ID 572.
Tycho 2971 Nov 28 UT 21:58-22:05 observed by D.B. Taylor (Dundee, UK, darker area inside the crater (NE and SE floor) in a Moon Blink device. However the observer does not report through which filter ir was darker. ALPO/BAA weight=1.
Plato 1971 Oct 30 UT 19:35-20:55 E.Watkins (Braintree, UK, 4.5" reflector, x45,x150, x225), thought he saw a faint patch at 19:35 and it still was visible at 19:40. At 19:50-19:55 he saw what may have been the remainder. At 20:55 he noticed a shadow in the area. ALPO/BAA weight=1.
Plato 1906 Mar 06 UT 22:00? Observed by Fauth (Germany? 6" refractor) "Color (brightness?) greatly enhanced as it was to be on the next nite" NASA catalog weight=3 (average). NASA catalog ID #324.
Peice A (Swift=IAU name?) 1927 May 12 UT 22:03 Observed by Wilkins (England, 15" reflector) "Complete obscuration of crater. Saw no trace of it. It was vis. May 11 & faint on May 13. 3x in 1948 Moore saw whole area misty gray & devoid of detail, whereas surroundings were sharp & clear. Birt also found it invis. at times in late 1800's" NASA catalog weight=4. NASA catalog ID #394. ALPO/BAA weight=3.
Observer noted a bright spot on the interior west wall that seemed brighter than what they would have expected. unfortunately the precise time of this observation was not recorded so the moon-rise and midnight UT values are used to place a limit on the time of observation. Images by Shaw taken at UT 1754, 18:45 and 23:13 do not exhibit the effect.
On 1990 Jan 08 at UT00:55 D. Weier (Sun Praire, WI, USA, 12.5" reflector, x159) observed an "anomalous black bar across Aris. Nearly digonal to terminator." The nearby crater Prinz had curious shadow patterns, perhaps related to the rising sun projecting shadows from the eastern rim and "reflected down"? "At 0224 W wall had a break in it & a diffuse glow where it should not be. Manske thinks it was Earthshine effect. At 0305 Weier saw Manske's bar - with diffused light and flicker like an aurora - like a gas with electric charge. At 0325 saw a strange glow in Aris. but may be due to atm. though thought it to be a LTP. Darling had never seen such effects before (flickering implies a medium in it)." The Cameron 2006 catalog ID=387 and the weight=3. The ALPO/BAA weight=3.
Near Hyginus 1959 Sep 13 UT Observed by Bradford (S.Shields, England, 15"? reflector), Feist, Lovas (Hungary), Moore, Wilkins (Kent, England, 7" refractor, x500) "Obliterated by a hovering cloud (Feist disagrees). Budapest obs. saw a cloud at 21:02:30, lasting 5 m. Moore & Wilkins saw burst of light & dust cloud at 21:02:35 (confirm.) Drawing by Lovas." NASA catalog weight=5 and catalog ID #722. The ALPO/BAA weight=1.
Littrow, 1959 Sep 13 UT Observed by Bradford (S.Shields, England, 15"? reflector), Feist, Lovas (Hungary), Moore, Wilkins (Kent, England, 7" refractor, x500) "Obliterated by a hovering cloud (Feist disagrees). Budapest obs. saw a cloud at 21:02:30, lasting 5 m. Moore & Wilkins saw burst of light & dust cloud at 21:02:35 (confirm.) Drawing by Lovas." NASA catalog weight=1 and catalog ID #722. The ALPO/BAA weight=1.
On 1965 May 12 at UT 22:20 H. Miles (UK) found a possible obscuration in Bailly crater. Most of the region was as sharp as normal, but the central area was greyish and blurred. Although the observer concerned considered themselves a non-experienced observer, another BAA Lunar Section observer saw the same effect. ALPO/BAA weight=2.
Aristarchus 1981 Mar 17 UT 22:40-23:25 Observed by Moore (Selsey, England, 15" reflector, seeing III) "Aristarchus very bright according to Crater Extinction Device and a coloured blink detected" BAA Lunar Section TLP report.
Aristarchus Area 2004 Nov 22 UT 04:58-05:49 Observed by Gray (Winemucca, NV, USA, 152mm f/9 refractor, seeing 4-5, trasparency 4-5, x114, x228) "Blinked Herodotus with Wratten filters Blue 38A and Red 25. The illuminated west crater wall stood out brilliantly in blue light, much more so than in white light. This was true also of Aristarchus. Red light did not increase contrasts in Herodotus any more than they were in white light. Shadows in Herodotus appeared as black as the night west of the terminator and remained that way throughout the observing period. No TLP seen in Herodotus tonight. A possible TLP was seen to the west of Herodotus near the terminus of Schroters Valley. It was noted at the beginning of the observing period that there were four very bright spots of light, one near the end of Schroters Valley, the other three grouped together a little farther north. Although not far from the terminator they were definitely east of it. It was noted that all of them nearly vanished in the Blue 38A filter while Aristarchus and the rim of Herodotus gleamed brilliantly. At 5:19UT it was noted that the most brilliant of the four lights, the one near the terminus of Schroters Valley, had faded almost to invisibility in white light. When first seen it had been brighter than Aristarchus. It remained very dim after this through the remainder of the observing period, and was unchanged at 7:35-7:49UT when I again examined the area. The other three bright spots remained brilliant and unchanged."
Aristarchus 1973 Aug 10 UTC 20:14 observed by Baumeister (48.63N, 9.25E, 110mm reflector, T=2, S=2) "Orange to red colours at the crater floor dissappeared until 21:04" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53-61. ALPO/BAA weight=2.
Proclus 1976 Sep 06 UT 02:00 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector 45-300x, S=3, T=5) "Nothing vis. on floor of 2deg brightness. Usually floor ray & Proc. A are vis. at this col. & c.p. is 5 deg bright. (must have been 2 deg tonite)." NASA catalog weight=4. NASA catalog ID #1450.
Plato 1973 Aug 10 UT 22:45 observed by Robinson (Devon, UK). Observer noticed that the lighter areas on the floor were more distinct in red than in the blue filter. ALPO/BAA weight=1.
Proclus 1972 Dec 17 UTC 18:30 Observed by Farrant (Cambridge, England, 8.5" reflector) "Crater appeared very bright (Apollo 17 Watch)." NASA catalog weight=2 (low). NASA catalog ID #1359.
Herodotus 1966 Nov 24 UT 21:50 H.Hill (UK, 7.25" reflector, x240), seeing 4-6/10, transparancy 4/5) sketched a central white diffuse patch inside the floor of the crater, with a size of about 1/7th the diameter of the crater. The eastern edge of the white patch was encroached by the shadow of the eastern rim. ALPO/BAA weight=3.
All observers saw a blue tinge seen inside and outside the crater. Marshall observed a bright spot in the middle of the crater floor and thought perhaps that it was a central peak. No central peak can be found on Lunar Orbiter images. Cameron 2006 Catalog extension ID=214 and weight=5. ALPO/BAA weight=4.
Blanco, J. Vidal, of Gijon, Spain (3" refractor x72) noticed an unfamiliar very bright center near to Encke. Cameron suspects that this was Encke B crater on the basis that it is a prominent small crater near to Encke. Cameron 2006 catalog extension ID=410 and weight=2. ALPO/BAA weight=1.
Cobra Head, Aristarchus 1964 Feb 25 UT 02:37-02:38, 02:39-02:42 Observed by Budine (Binghamton, New York, USA, 4" refractor, x250, S=6, T=4) "Red flashes" NASA catalog weight=3 (average). NASA catalog ID # 802.
Gassendi 1939 Aug 27 UT 02:00 Observed by Haas? (NM? USA, 12" reflector?) "NE part of c.p. was I=6.4, compared with I=9.4 on 9/28/39 (see #462) under similar cond.@ NASA catalog weight=4 (high). NASA catalog ID# 458.
Crick of Belgium noticed obscuration on a bright spot on the south east wall. This spot was quite prominent through a red Wratten 25 filter. The floor was very dark. Other craters were checked and were normal. A sketch was supplied and the position was the same as in other earlier reports. Cameron 2006 catalog extension ID=60 and weight=3. ALPO/BAA weight=3. 6" reflector used. Seeing=II and transparency=good.
In 1949 Nov 03 UT 01:06 J.Bartlett (3.5" refractor, x100) noted that the floor of Herodotus was very dark, the east wall was very bright, and the floor contained a central bright peak. The BAA/ALPO weight=3.
M. Cook of Frimley, "NE ray distinct & also floor E of it, not distinct as on Dec 13 & Jan 11, while March 10, 11 & 12 seen by Price, North, Peters, Foley & M Cook, where rim was clear and sharp." - quote from the 2006 Cameron Catalog extyension - TLP ID=297 and weight=5. Cameron gives the observers confirming this TLP as: M. Cook, G. North and Davies.. ALPO/BAA weight=3.
Aristillus 1972 Dec 17 UTC 21:50-22:20 observed by Berger (51.5N, 9E, 60mm refractor, T=2, S=3) "Diffuse bright cloud in the NE corner of the crater" - Hilbrecht and Kuveler, Earth, Moon & Planets, 30 (1984), p53- 61.
Kepler 1954 Nov 07 UTC 23:20 Observed by Lugo (Caracus, Venezula) "Luminous pts. (MBMW say "bright pt.; just outside E.wall). NASA catalog weight=3 (average). NASA catalog ID #580.
Aristarchus 1919 Jun 10 UT 19:00-19:30 Observed by Lapshin (Russia) a "Greenish-yellow light shone from inside the crater for 1/2 hr. after which it returned to normal. Violet tint on W. bank & surrounding area & the dark color of the saddle & dark spot were distinct. Term. slightly E. of Herodotus. (Ast. E)=IAU W." NASA catalog weight=3. NASA catalog ID #372. ALPO/BAA weight=3.
Plato 1906 Mar 07 UT 22:00? Observed by Fauth (Germany? 6" refractor) "Color (brightness?) greatly enhanced as on the previous nite" NASA catalog weight=3 (average). NASA catalog ID #324.
On 1980 Jul 24 at UT22:10-22:55 P. Moore (Selsey, UK, 15" reflector, x360 and x400) found an area just south east of the central peak (and upto the wall) to be quite dark in blue light, but normal brightness in red light or in white light. All other features were normal colour- wise. At 22:55UT Tycho was normal again. Cameron 2006 catalog ID=103 and weight=4. ALPO/BAA weight=3.
Foley (Kent, UK) saw the west wall dull and stongly coloured. Moore (Sussex, UK) saw the wall as normal. However Cameron points out that Foley (Kent, UK) is a lot more Blue/UV sensitive than Moore. Mosely (Covington, UK) at 22:10 UT noticed a brightening on the East wall and at 01:10-01:25 UT suspected that the interior had a weak yellow-green cast to it. Cook (Frimley, UK) states that orange colour was within the interior crater, but green beyond the east rim at the 9 O'Clock and the south east corner to floor blue/mauvre beyond the northern rim NW/WSW. Foley sstates that orange and blue/mauvre might be spurious colour, but green one cannot get this way. Cameon suggests chromatic aberatons as a possibility but thinks that the observers concerned were experienced enough to recognize this if it were the cause. Cameron 2006 catalog extension ID=239 and weight=0. Moore used a 15?" refletor and Foley used a 12" refletor. Mosely experienced II seeing and good transparency. Cook had III seeing and also good transparency. P. Grego made an observation this night too. The ALPO/BAA weight=2.
Aristarchus-Cobra Head, 1967 Nov 15 UT 05:40-06:00 Observed by Cross, Tombaugh (Las Cruces, NM, 12" reflector x800) and Harris (Tucson, AZ), and Dunlap (Organ Pass, NM, 24" reflector with Moonblink). "Obs. reddish color N. & E. of Aris. & more intense color nr. E.(IAU?) rim of Cobra Head. Red color nr.C.H. confirmed by Tombaugh. Obtained 10 photos between 0543-0549h in 3 spectral bands (blue, yellow, red, & integ. light). No change dur. obs. per. but spot got smaller at moments of good seeing. Isodensitometry of photos. At Corralitos 0152-0155 on 24- in image intensifier & filter sys. photoos at 0320-0330h. Harris at Tucson got spectra. Neither of latter 2 show anything unusual. Its edges were nebulous even at best seeing. Size @ that of Cobra's Head." NASA catalog weight=5 (very good). NASA catalog ID #1053.
Peter Foley (Kent, UK, 8" reflector, seeing=II) noticed that the floor beneath the north wall, and the area over the north wall were indistinct (almost out of focus). Despite looking elsewhere in the crater and surrounds, no other blurring (obscuration of detail) could be seen, indeed everywhere else was sharp and detailed. Foley tried several eyepieces but this made no difference. He used a crater extinction device but found no variations in brightness. There was a slight darkening when he used a red filter in the Moon Blink device. The obscuration effect weakened between UT20:56 and 21:10, was difficult to see at 21:13 and had finished by 00:15. Patrick Moore (12" reflector, Dublin, Ireland) saw nothing unusual when he started observing at UT 22:00. Cameron says "Photos marked at location of phenomenon". Cameron 2006 extension catalog ID=37 and weight=5. ALPO/BAA weight=3.
Aristarchus normal in red and blue filters however the Cobra Head part of Schroter's Valley was brighter in blue. Indeed it was very dull in red - Louderback says that this was not surprising as the whole areas around Aristarchus is brighter in blue. Louderback is an experienced observer of the Aristarchus area of more than 10 years. Cameron 2006 extended catalogID=63 and weight=1. ALPO/BAA weight=1.
Louderback observed that the south west wall was a creamy deep yellow. There was also strong fluorescent blue on the west wall of the Cobra Head - Schroter's Valley area and this was similar to the violet glare seen on Aristarchus at times. Violet was seen between Aristarchus and the Cobra Head. Seeing coditions were poor. Brightening of a point near C occurred roughly every 10-15 seconds and lasted 0.5 sec - (Cameron concludes that this was not due to the Earth's atmosphere). A 0.2 step drop in brightness was seen on point A (twin spots). Point C had reduced by 0.6 steps. Elsewhere was stable in brightness. Cameron 2006 catalog ID=281 and weight=4. ALPO/BAA weight=3.
Plato 1873 Apr 10 UTC 21:00? Observed by Schmidt (Athens, Greece, 6" refractor) "Under high sun, 2 faint clouds in E. part of crater."
Mobberley of Suffolk, UK, and using a 14" reflector and seeing=I-II saw yellowish/brown streaks within Aristarchus. A sketch indicates that these extended from a region on the east floor to the north west corner, and then finally onto the bands on the west wall. Cameron 2006 extension catalog ID=132 and weight=4. ALPO/BAA weight=1.
Aristarchus 1989 Oct 13 UTC 21:00 Observed by Cook (Frimley, Surrey, UK, 20cm reflector (visual and video)) "Aristarchus had what appeared to be a outline of a ghost crater on it's eastern side - quite large and bright". Cameron 2006 extended catalog TLP ID No=378 and weight=5. ALPO/BAA weight=3.
Gassendi 1976 Oct 04 UT 21:30 P. Moore (Selsey, UK, x400, seeing poor) observed redness in the c.p. area. The ALPO/BAA weight=1.
Plato 1981 Jun 15 UTC 21:30 Observed by Amery (Reading, England, 25cm reflector, seeing Antoniadi IV-V) At the 4 O'Clock position on the North West corner?, there was a dark smudge which reached from the floor across and over the wall and onto the terrain outside the crater. Foley, alerted by Amery, saw a dark show-like patch in the crater's north west corner, again lying across the rim. 2006 Cameron catalog extension ID=148 and weight=4. Foley used a 12" reflector and seeing was III-V. ALPO/BAA weight=3.
On 1982 Jun 05 at 22:00? UT, Chapman (UK, using a 12" reflector), again using a x2 yellow filter, noticed that the central craterlet detectabilty changed such that sometimes it was visible and sometimes not. Foley (Kent, UK)noticed that the central craterlet could only just be seen between June 2 to June 5 and was much less discernable than during the previous lunation. No CED brightness measurements made. The floor of Plato was noted to be very dark though. Cameron 2006 catalog ID=172 and weight=4. ALPO/BAA weight=2.
Aristarchus 1965 May 15 UTC 01:40-02:15 Observed by Weresuik, McClench, Johnson (Pt. Tobacco, MD, USA, 16" reflector x240, S=F, T=G) and Delano (Massachusetts, USA, 12" reflector). "Crater had color(red?) detected by Trident MB & photos were obtained. There were pulsations. Delano saw E. wall of crater unusually bright (confirm. if at same time)." NASA catalog weight=5 (very good). NASA catalog ID #876.
Bailly 1974 Oct 29 22:00-23:00 Observed by Lord (St Annes-on- Sea, UK), 25cm reflector, x125 & x400,seeing III, transparency 5/5. South west floor was darker in a blue filter than in other filters. Observer thought this was due to a natural green colour here. Had seen this on 3 other occasions under early morning illumination. ALPO/BAA weight=1,
Eratosthenes 1976 Sep 08 UTC 04:29 Observed by Bartlett (Baltimore, MD, USA, 4.5" reflector 45-225x, S=5-4, T=5) "Psuedo-shadow X3 was present but X disappeared from wall(same intensity?) which was rated 4 deg. Disappearance of X so unexpected that he examined inner S wall very carefully & was certain it was free from psuedo-shad. Had vanished within 24h. Other pseudo-shadows showed no change. X reappeared next nite. (X must have been 4deg; &this is much higher than any other meas.). Variability of wall shadows may habe been what Pickering saw, suggests Bartlett." Cameron 1978 TLP catalog weight=4 and catalog ID 1452. ALPO/BAA weight=2.
Madler 1940 Sep 16 UT 02:10 Observed by Haas (New Mexico? USA, 12" reflector?) "Bright spot on S. rim was I=5.8 comp. with 8.9 on Aug 17 (see #470)." NASA catalog weight=4. NASA catalog ID # 473. ALPO/BAA weight=2.
On 1964 Jan 28 at 21:00? Scarfe (UK) obtained spactra showing luminescence? The Cameron 1978 catalog ID=798 and weight=5. The ALPO/BAA weight=3.
Kepler 1962 Jul 17 UTC 06:24,08:36 Observed by Wildey, Pohn (Mt Wilson, CA, USA, 60" reflector+photometer) "Crater was at Vmag 2.68 at earlier obs. which was .47 mag brighter than av. mag. at 15d & it faded to near normal at later time to V=3.10(photom. measures), a change of 1/2 mag. or @1.5 times in brightness" NASA catalog weight=5 (very good). NASA catalog ID #761.
On 1978 Aug 18 at UT 22:00 Coates (England?, UK, 3" refractor, seeing=II) found that the inner bands of Aristarchus were hard to see, this was odd because the seeing conditions were good and he usually sees them? However he did not believe that there was any obscuration going on. The Cameron 2006 catalog ID=37 and weight=0. The ALPO/BAA weight=1.
On 1893 Apr 01 at UT 22:00 deMoraes of the Azores, Portugal, saw a shaft of light projecting from the Moon. Cameron 1978 catalog ID=280 and weight=0. ALPO/BAA weight=1.
Manillus 1955 Aug 03 UTC 21:00 Observed by Firsoff (Sommerset, England, 6.5" reflector, x200) "Maniluus very bright in all colors, especially blue, extraordinarily so" NASA catalog weight=4 (good). NASA catalog ID #602.
Timocharis 1955 Aug 03 UTC 21:00 Observed by Firsoff (Sommerset, England, 6.5" reflector, x200) "Crater was bright in blue, seemed large & diffused." NASA catalog weight=4 (good). NASA catalog ID #602.
On 1978 Aug 19 at UT02:45-04:00 Porter (Naragansetts, RI, USA, using a 6" reflector, Seing = 6/10) noticed blue on the north east corner of Aristarchus and an orange glow on the south east wall. They detected no movement or change in brightness. The observer used both eyes, to make sure it was not an eye defect, and three filters: red Wratten 25, blue Wratten 82 and Violet Wratten 47. Porter found that the colours faded for a duration of 5 minutes and then returned. Their right eye gave a good view and using their left eye they suspected that it was 0.5 steps brighter than the remainder of the crater. The suspected colour remained visible, even under moments of good seeing conditions. The colour eventually faded over time and was eventually gone. Porter reportd seein gcolour here on the following night. Apparently other bright spots showed no colour. Fitton suggests that the filters used confirm that the south east wass was definitely red in colour. The Cameron 2006 catalog ID=37 and the weight=0. ALPO/BAA weight=1.
Aristarchus 1973 Nov 10 UTC 20:00? Observed by Coates (England, 8" reflector x200, Moon at gigh altitude above horizon). "Attracted to crater because of an orange hue extending towards Herod. Has seen this at other times. Thinks not a LTP, but actual color on ground."NASA catalog weight=2 (low). NASA catalog ID #1381.
Observed by Bartlett (Batimore, MD, USA, S=4, T=5) "E.wall? blue glare. He was uncertain @it. Couln't focus it. Herodotus unaffected." NASA catalog weight=4. NASA catalog ID 581. ALPO/BAA weight=2.
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th. Cloud-like effect where light had been (on 8th). Cameron 1978 catalog TLP ID No.=139 and weight=3. ALPO/BAA weight=2.
Mare Crisium 1962 Jul 18 UTC 09:54 Observed by Wildey & Pohn (Mt Wilson, CA, USA, 60" reflector + Photometer) "Photometric meas. showed change in brightness of the area of over a mag. during the nite. Recorded at Vmag=3.56 first, & a few min(?) later at 4.62. It was .95 mag. brighter (@2.5x) than av. for that age & then returned to normal." NASA catalog weight=5 (very high). NASA catalog ID #762.
On 1992 Jul 16 at UT 03:32-09:31 D. Louderback (South Bend, WA, USA, 3" refractor, x134) detected yellow on the southern rim of Aristarchus, and the colour looked "darker" through a yellow filter and the region was "duller" than normal. The region was 1 intesnsity step brighter on the 2nd measurement, "on all points in it". The comet tail-like ray had 3 sections and was "mottled" in appearance. Finally the Cobra Head region had possible variations in brightness. The cameron 2006 catalog ID=451 and the weight=3. The ALPO/BAA weight=2.
Gassendi 1940 Sep 18 UTC 03:15 Observed by Haas (New Mexico? 12" ? reflector) "Largest bright spot in SE part of floor had I=6.1, but I=6.7 & 8.6 on other nites. (same ph. see #469, 472 & 475)" NASA catalog weight=4. NASA catalog ID #474. ALPO/BAA weight=2.
East of Picard 1864 Oct 16/17 UT 23:00-01:00? Observed by Ingall (Camberwell ?, UK) "Remarkable bright spot" NASA catalog weight=3. NASA catalog ID #135. ALPO/BAA weight=3.
Aristarchus 1954 Nov 12 UTC 02:20-03:05 Observed by Bartlett (Baltimore, MD, USA, S=5-6, T=3-4) "Blue-violet glare on EWBS & whole length of E. wall. Suspected viol. tint on VA; uncertain @ m" NASA catalog weight=4. This had faded later by 05:07. NASA catalog ID #582. ALPO/BAA weight=2.
Proclus 1973 Nov 11 UT 20:40-23:05 Observed by Savill (Cambridge, England, 12" refractor, x100?), Young (Yorks, England), Pedler (Bristol, England, 6" reflector?), Livesey (Scotland). "At 100x showed a bright spot in S.part of crater. At 300x was vis. but power too high. In 8-in refr. at 170x, at 2055h 2 spots present. Confirmed by Young. Seeing was improving. At 2104h in 12-in refr. at 260x the lower spot seemed distinctly enlarged & vaporous. Decided it was due to poor seeing. Later the 2 spots were better defined & separated but lower moved away fr. larger one & they seemed more separated than earlier. Obs. ended at 2305h when they decided it was not an LTP. but was 2 craters instead of humps. There were neg. repts. from others at the same time. (there are no craters in Proclus)." NASA catalog weight=2. NASA catalog ID # 1382. ALPO/BAA weight=1.
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th. Cloud-like effect where light had been (on 8th). Cameron 1978 catalog TLP ID No.=139 and weight=3.
Schroter's Valley: Cobra Head 1824 Nov 08 UTC 00:00? Observed by Gruithuisen (Munich, Germany) "Mingling of all colors in small spots. Described a violet glimmer near Cobra Head & plateau that spreads; starts just after sunrise. Cameron 1978 catalog weight=4 and catalog ID=103. The ALPO/BAA catalog weight=3.
Plato 1938 Jun 15 UTC 08:00 Observed by Haas? (New Mexico?, 12?" reflector) "NW. end of floor had intensity I=2.0, but on 7/15/38, I= 3.7, conditions similar." NASA catalog weight=4 (high). NASA catalog ID #439.
On 1965 May 18 at UT 03:00-03:30 Cragg (Mt Wilson?, CA, USA, 6" refractor?) observed a TLP (no feature nor description given in the Cameron 1978 catalog) on the Moon. The Cameron 1978 catalog ID=877 and weight=4. The ALPO/BAA weight=1.
Mare Crisium 1962 Jul 19 UTC 09:48 Observed by Wildey & Pohn (Mt Wilson, CA, USA, 60" reflector + Photometer) "Photometric meas. showed change in brightness from Vmag=3.46 to V=3.07, where av. mag. for that age=3.26, or a brightening of .58 mag." NASA catalog weight=5 (very high). NASA catalog ID #763.
On 1990 Jan 13 at UT 22:15-23:05 J. Pedler (Bristol, UK, seeing=III and transparency=excellent, no spurious colour) detected a blue region on the north of Aristarchus, varying in sharpness/diffuseness. The crater rim in this region could not be descerned. Eleswhere the crater rim was normal as too were other features. When a Moon blink device was used, no colour blink was detected, however through the blue filter the suspected area was bright and the crater rim indistinct. Whereas through the red filter the area looked perfectly normal. At 22:30UT the effect had vanished and everywhere was normal. The Cameron 2006 catalog ID=388 and the weight=5. The ALPO/BAA weight=3.
Four bright spots seen in Mare Crisium. There was also peculiar behaviour of the terminator. Source: Midlehurst 1968 catalog TLP ID=16. Ref Web 1962 p62-76. The ALPO/BAA weight=1.
On 1990 Jan 14 at UT 01:14-01:55 M.C. Cook (Frimley, UK, seeing=poor) observed that Aristarchus did not appear normal for this illumination. the northern half of Aristarchus was "2x>" than the southern half of the crater. There were two white patches of apron material near to the crater Herodotus that were 50% of the brightness of the southern half of Aristarchus. Furthermore the southern half of Aristarchus had a circle - "dull patch on inner S wall with a bright point shining through it. (Bartlett's EWBS?)". The Cameron 2006 catalog ID=389 and the weight=4. The ALPO/BAA weight=2.
On 1980 Mar 04 at UT10:30-10:34 D. Darling (Sun Prairie, WI, USA, 12.5" reflector, x344) detected a pin-point light in the shadowed area of Mare Crisium that varied in brightness then faded. Cameron 2006 catalog ID=84 and weight=0. ALPO/BAA weight=1.
Gassendi 1940 Sep 19 UTC 06:00 Observed by Haas (New Mexico, 12?" reflector) "Largest bright spot in SE part of floor, had I= 6.7, but 6 for last nite & 5.6 on others (see #'s 469, 472, & 474)." NASA catalog weight=4. NASA catalog ID #475. ALPO/BAA weight=2.
Conspicuous bright spot seen on 6th. Also seen on 7th, absent on 8th. Cloud-like effect where light had been (on 8th). Cameron 1978 catalog TLP ID No.=139 and weight=3.
Daniell 1894 Feb 23 UT 00:00? Observed by Krieger (Germany) "Strong, brownish-red coppery hue." NASA catalog weight=4 and catalog ID #281. ALPO/BAA weight=3.
1894 Feb 23 UT 00:00(?) Posidonius N. Wall observed by Krieger (Germany) "Strong, brownish-red coppery hue." NASA catalog weight=4 and catalog ID #281. ALPO/BAA weight=3.