TLP Repeat Illumination/Libration and Earthshine predictions for: Greenland - Nuuk



Ill is percentage illumination of the Moon
*Indicates a repeat illumination and libration event to within +/- 1 deg for both
A non-* indicates just repeat illumination to within +/-0.5 deg


2019-Apr-07 UT 22:28-00:28 Ill=7% Aristarchus observed by Amery_GW on 1983-2-15 *

     On 1983 Feb 15 at UT 18:00? G. Amery (Reading, UK) found that he could 
     not see Aristarchus in Earthshine, despite less normally prominent 
     features being clearly seen. This observation was confirmed. Other 
     observers were: Moore, Cooks, and Foley. The Cameron 2006 catalog ID=
     202 and weight=2. The ALPO/BAA weight=2.


2019-Apr-08 UT 22:31-23:23 Ill=13% Aristarchus observed by Amery_GW on 1983-2-16

     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.


2019-Apr-08 UT 22:31-22:57 Ill=13% NE_Limb observed by Middleton_RW on 1988-12-12

     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.


2019-Apr-09 UT 22:34-00:12 Ill=21% Moon observed by Day on 1881-9-28

     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.


2019-Apr-09 UT 22:34-23:24 Ill=21% Picard observed by Neate on 1909-3-26

     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.


2019-Apr-09 UT 22:34-00:21 Ill=21% Grimaldi observed by Johnson_LT on 1951-1-13

     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. 


2019-Apr-09 UT 23:24-00:40 Ill=21% Aristarchus observed by Amery_GW on 1983-2-17

     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.


2019-Apr-09 UT 23:24-00:40 Ill=21% Messier observed by Amery_GW on 1983-2-17

     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.


2019-Apr-09 UT 23:33-00:40 Ill=21% Prinz observed by Deane on 1968-12-24

     On 1968 Dec 24 at UT 19:30-20:00 Deane (London, UK, 2" refractor) 
     observed the following in the Prinz-Harbinger Mountains area: "Bright 
     yellow spot seen E. of Aris. fr. S. end of Harbinger mts, to S. wall of 
     Prinz. Back to normal at 2000h. Many other areas observed were normal. 
     (alerted for tidal predict. by Middlehurst, & Apollo 8 watches)". The 
     Cameron 1978 catalog ID=1110 and weight=1. The ALPO/BAA weight=1. 


2019-Apr-09 UT 23:35-00:42 Ill=21% Earthshine: sporadic meteors

2019-Apr-10 UT 22:37-00:30 Ill=30% Plato observed by Webb_TW on 1872-3-15

     Plato 1872 Mar 15 UT 20:00? Observed by Webb? (England?, 9" 
     reflector?) "Internal twilight in crater, same remarks as in #
     173 -- could 8. be misprint in #173? Schmidt 2X saw cavity of 
     Boussingalt feebly illum. at sunrise as tho filled with 
     mist."NASA catalog weight=3. NASA catalog ID #177.ALPO/BAA 
     weight=1.


2019-Apr-10 UT 22:37-22:47 Ill=30% Kant observed by Trouvelot on 1873-1-4

     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.


2019-Apr-10 UT 22:37-00:15 Ill=30% Aristarchus observed by Hobdell on 1981-5-10

     On 1981 May 10 at UT02:16-03:12 B. Hobdell (St Peterburg, FL, USA, 2?" 
     refractor, the Moon was at a very low altitude) found that the NNW wall 
     of Aristarchus increased in brightness and extended to an arc of the 
     east wall. There were bright flashes in roughly 2 minute intervals. 
     There were also two yellow spots at 5 and 8 o'clock on the east wall. 
     At 02:44UT a bright yellow flash was seen on the NNW rim and by 02:49UT 
     the complete crater was very bright, inparticular on the western wall. 
     Further bright flashes were seen at 02:52UT and at 03:11UT many bright 
     blue points were seen. Finally an obsecuration was seen at 03:12UT. The 
     observer checked for spurious colour but none was seen. The Cameron 
     2006 catalog ID=137 and weight=0. The ALPO/BAA weight=1. 


2019-Apr-10 UT 23:20-01:03 Ill=30% Mare_Crisium observed by Foley_PW on 1983-2-18

     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.


2019-Apr-10 UT 23:20-01:03 Ill=30% Torricelli_B observed by Foley_PW on 1983-2-18

     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.


2019-Apr-11 UT 00:01-01:23 Ill=30% Ross_D observed by Bender on 1964-2-19

     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.


2019-Apr-10 UT 23:39-01:53 Ill=31% Earthshine: sporadic meteors

2019-Apr-11 UT 22:40-23:18 Ill=41% Menelaus observed by Bartlett on 1976-9-1

     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.


2019-Apr-11 UT 22:40-23:24 Ill=41% Proclus observed by Cook_MC on 1987-11-27

     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.


2019-Apr-11 UT 22:53-00:45 Ill=41% Censorinus observed by Cook_MC on 1987-11-27

     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.


2019-Apr-11 UT 23:39-01:25 Ill=41% Censorinus observed by Cook_MC on 1983-4-19

     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.


2019-Apr-12 UT 00:16-02:01 Ill=41% Torricelli_B observed by Foley_PW on 1983-2-19

     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.


2019-Apr-12 UT 01:48-02:52 Ill=42% Halley observed by Raden_DJ on 1979-7-1

     On 1979 Jul 01 at 22:00?UT D.J. Raden (Fort Meade, FL, USA, using a 
     10" reflector) detected a flare near to Halley (5E, 9S) visually with 
     the eye and it lasted about 3-4 min - a sketch was made. However it was 
     also found on one photographic slide taken with an exposure of 35 
     seconds. The observer comments that visually the flare was not as 
     bright as it appeared in the photograph. In an area near Halley. The 
     Cameron 2006 catalog extension ID=57 and weight=5. The ALPO/BAA 
     weight=4.


2019-Apr-12 UT 02:35-02:52 Ill=42% Maskelyne observed by Persson on 1969-11-16

     Maskelyne 1969 Nov 16 UTC 16:28-17:10 Observed by Persson (Hvidore, 
     Denmark, 3" refractor) "Brightening & obscur. (Apollo 12 watch)." NASA 
     catalog weight=2 (low). NASA catalog ID #1210.


2019-Apr-12 UT 02:52-00:00 Ill=42% Aristarchus observed by D_All_Ara on 1969-11-16

     On 1969 Nov 16 at UT 16:43-19:22 Dall'Ara (Switzerland, 4"? reflector), 
     Stucchi (Switzerland, 12" reflector) observed in Aristarchus 
     intermittent pulsations - Cameron speculates atmopsheric and also 
     mentions the Apollo 12 watch. The Cameron 1978 catalog ID=1211 and 
     weight=3. The ALPO/BAA weight=2.


2019-Apr-11 UT 23:42-02:54 Ill=42% Earthshine: sporadic meteors

2019-Apr-12 UT 22:43-23:13 Ill=52% Archimedes observed by Hill_EG on 1966-3-29

     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=1.


2019-Apr-12 UT 22:43-00:30 Ill=52% Censorinus observed by Cook_MC on 1987-11-28

     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.


2019-Apr-12 UT 22:43-00:00 Ill=52% Proclus observed by Mobberley_M on 1987-11-28

     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.


2019-Apr-12 UT 23:23-01:19 Ill=52% Alphonsus observed by Moore_P on 1967-2-17

     Alphonsus 1967 Feb 17 UT 17:47-18:12 Observed by Moore and 
     Moseley (Armagh, Northern Ireland, 10" refractor, x300) "Eng. 
     moonblink suspected just inside SW floor on the elevation NW of 
     famous dark patch. Feb 18 was cloudy, then on Feb 19, after some 
     neg. results with blink, suddenly a bright glow in same place." 
     NASA catalog weight=4. NASA catalog ID #1014. ALPO/BAA weight=4.


2019-Apr-12 UT 23:49-01:33 Ill=52% Hipparchus_L observed by Coates_J on 1979-5-4

     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.  


2019-Apr-13 UT 00:12-01:58 Ill=52% Torricelli_B observed by Foley_PW on 1983-2-20

     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.


2019-Apr-13 UT 01:22-02:16 Ill=53% Montes_Teneriffe observed by Hart_R on 1854-12-27

     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.


2019-Apr-13 UT 01:37-03:34 Ill=53% Hyginus_N observed by Crain on 1877-11-13

     Hyginus Nova 1877 Nov 13 UT 20:00? Observed by Crain, Klein, Eng. 
     officer (France?, Cologne (Germany), Enland?, 6" refractor?, S=E) 
     "Standing out with such prominence, seen at a glance. No trace of it on 
     14th, in excell seeing. (indep. confirm.?)"NASA catalog weight=5 (very 
     high). NASA catalog ID #198. ALPO/BAA weight=3.


2019-Apr-13 UT 01:54-02:05 Ill=53% Alphonsus observed by Jasmin_G on 2003-4-10

     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.


2019-Apr-13 UT 02:06-03:43 Ill=53% Menelaus observed by Azevado on 1969-11-17

     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.


2019-Apr-13 UT 02:47-03:43 Ill=53% Unknown observed by Fauchier on 1886-5-11

     Fauchier of Marseilles, France, seeing=good - fair and the Moon at a 
     high altitude, saw two lights on the Moon brighter than any others 
     during similar circumstances. They had colour. These had not been seen 
     before and he ruled out cromatic aberation. Cameron 1978 catalog ID=249 
     and weight=3. ALPO/BAA weight=2.


2019-Apr-13 UT 22:46-23:16 Ill=63% Montes_Carpatus observed by McCorkle on 1955-8-27

     On 1955 Aug 27 at UT 01:51 McCorkle (Memphis, Tennessee, USA, 6.5" 
     reflector, x200) observed a 2nd magnitude bright flare on the dark side 
     of the Moon. This remained steady, fading slightly before abruptly 
     disappearing. Cameron suggests that this might have been a meteor. The 
     Cameron 1978 catalog ID=604 and weight=0. The ALPO/BAA weight=1.


2019-Apr-13 UT 22:46-00:38 Ill=63% Ross_D observed by Capen_CF on 1964-4-21

     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.


2019-Apr-13 UT 22:46-23:29 Ill=63% Aristarchus observed by Madej_P on 1984-12-31

     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.


2019-Apr-13 UT 23:21-01:04 Ill=63% Plato observed by King_N on 1983-4-21

     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.


2019-Apr-13 UT 23:55-01:47 Ill=64% Alphonsus observed by Brook_C on 2004-2-29

     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.


2019-Apr-14 UT 00:08-01:56 Ill=64% Torricelli_B observed by Foley_PW on 1983-2-21

     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.


2019-Apr-14 UT 00:20-01:33 Ill=64% Plato observed by Moore_P on 1995-9-3

     On 1995 Sep 03 at UT19:40-20:15 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=1.


2019-Apr-14 UT 00:51-02:38 Ill=64% Messier observed by Robinson_JH on 1979-7-3

     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.


2019-Apr-14 UT 01:13-02:11 Ill=64% Tycho observed by Albert_J on 2010-8-19

     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.


2019-Apr-14 UT 01:33-03:30 Ill=64% Hyginus_N observed by Crain on 1877-11-14

     Hyginus Nova 1867 Nov 14 UT 20:00? Observed by Crain, Klein, Eng. 
     officer (France?, Cologne (Germany), Enland?, 6" refractor?, S=E) "On 
     13th it was standing out with such prominence, seen at a glance. No 
     trace of it on 14th, in excell seeing. (indep. confirm.?)"NASA catalog 
     weight=5 (very high). NASA catalog ID #198.


2019-Apr-14 UT 01:44-03:42 Ill=64% Tycho observed by Haas_W on 1940-7-14

     Tycho 1940 Jul 14 UT 02:00? Observed by Haas (NM? USA, 12"? 
     reflector) "Luminous marks in shadow, ragged edged & irreg. 
     shape. E. wall had a milky luminosity" NASA catalog weight=4. 
     NASA catalog ID #468. ALPO/BAA weight=2.


2019-Apr-14 UT 01:46-03:19 Ill=64% Ross_D observed by Harris on 1964-2-22

     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.


2019-Apr-14 UT 02:02-03:58 Ill=65% Gassendi observed by Moore_P on 1967-2-18

     Gassendi 1967 Feb 18 UT 20:30-20:40 Observed by Moore, Moseley 
     (Armagh, Northern Ireland, 10" refractor, x300) "Red color in 
     crater (in dark)". NASA catalog weight=4. NASA catalog ID #1015. 
     ALPO/BAA weight=4.


2019-Apr-14 UT 02:40-04:21 Ill=65% Aristarchus observed by Robinson_JH on 1980-5-23

     On 1980 May 23 at UT21:14-21:55 J.H. Robinson (Teighmouth, Devon, UK, 
     12" reflector, seeing II-III) could see Aristarchus in blue and clear 
     filters, but not in red light. Robinson saw some variability in this 
     effect with time. Cameron 2006 catalog ID=96 and weight=3. ALPO/BAA 
     weight=2.


2019-Apr-14 UT 02:40-04:21 Ill=65% Copernicus observed by Blair_G on 1980-5-23

     On 1980 May 23 at UT21:14-22:18 G. Blair (Bridge of Weir, 
     Scotland, UK, 216mm reflector, seeing II-IV) found a red tinge 
     along the western wall of Coperncius, perhaps 32km in length. 
     This was invisible in a blue-green Wratten 44a filter, but was 
     unmistakble in a red Wratten 25 filter. Could have been 
     spurious colour - but no other regiosn were affected. The 
     ALPO/BAA weight=2. 


2019-Apr-14 UT 02:40-04:21 Ill=65% Littrow observed by Petek on 1980-5-23

     On 1980 May 23 at UT 21:14-21:18 Marco Petek (Porto Alegre, 
     Brazil) saw in the region of Littrow and an area of dark mare 
     south west from Littrow to Argaeus, abnormal darkness, and a 
     rapid change of form. He also saw a shadow extending south 
     east from Campanus opposite to the Sun - however Foley thinks 
     this is normal. Cameron 2006 catalog ID=96 and weight=0 or 1. 
     ALPO/BAA weight=1.


2019-Apr-14 UT 03:10-04:21 Ill=65% Plato observed by Bartlett on 1970-11-8

     Plato 1970 Nov 8 UT 01:31-01:47 Observed by Bartlett 
     (Baltimore, MD, USA, 3" refractor x59-300) "Only crater A 
     seen, all others obscured. Floor =3deg albedo, very smooth. A 
     had a minute shadow & no obscur. On Nov. 22 1966 at nearly 
     same colong. 5 spots incl. A were vis." NASA catalog weight=4. 
     NASA catalog ID #1278. ALPO/BAA weight=2.


2019-Apr-14 UT 03:44-04:21 Ill=65% Tycho observed by Blair_G on 1980-5-23

     On 1980 May 25 at UT 22:18 G. Blair (Bridge of Weir, Scotland, 216mm 
     reflector, seeing II-IV) suspected a short sharp flash, white in colour 
     north of Tycho's north wall. Nothing more seen. ALPO/BAA weight=1. 


2019-Apr-14 UT 03:56-04:21 Ill=65% Aristarchus observed by Foley_PW on 1980-5-23

     On 1980 May 23 at UT22:30 (P.W. Foley (Kent, UK, 10" reflector, seeing 
     II) described Aristarchus as a "blue luminous patch", but it was too 
     faint to obtain a CED brightness measurement. Cameron 2006 catalog ID=
     96 and weight=3. ALPO/BAA weight=2.


2019-Apr-14 UT 04:01-04:21 Ill=65% Copernicus observed by Horner_E on 2012-9-24

     2012 Sep 24 UT 22:00-23:00 Copernicus. E. Horner (Salisbury, 
     UK, 15cm reflector) observed a prominent red arc where the 
     sunlit part of the interior wall met the shadow. Sometimes the 
     arc was 1/4 the way around the interior, and sometimes half of 
     the way around. Telescope moved, but the red arc stayed where 
     it was. Eyepieces change, but the effect remained. Other parts 
     of the Moon checked, but no red seen. There were however 
     splashes of green e.g. Longomontanus on the terminator, 
     elsewhere further inland from the termionator, and little 
     splashes of green on Mare Frigoras - but lasting a brief time. 
     The red colour was as strong as a red LED and the green similar 
     to that of the northern lights. The observer's husband was asked 
     to independetly check Copernicus and remarked that he could see 
     a little bit of green at the top and some red near the bottom, 
     along the line of the internal shadow. Although there were 
     checks for red elsewhere on the Moon and none were seen, the 
     Moon was starting to get low and it is typical of spurious 
     colour in a few respects. Therefore the ALPO/BAA weight=1 for 
     safety.


2019-Apr-14 UT 04:21-00:00 Ill=66% Atlas observed by Andre on 1966-12-21

     Atlas 1966 Dec 21 UT 17:10 Observed by Andre (Belgium, 3" refractor) 
     "Bright spot on SE part of floor, not seen in photo on 12/18/66" NASA 
     catalog weight=2 (low). NASA catalog ID #1003.


2019-Apr-14 UT 22:49-23:19 Ill=74% Moltke observed by Marshall_KP on 1984-2-12

     The UT given in the Cameron 2006 extension catalog are: 20:58, 23:25-
     02:20 and 01:40-04:00, however it is not clear what UT applies to which 
     of the observers or the two features reported as having TLP on that 
     night. On 1984 Feb 12-13 Marshall (South Anerica, seeing=III-II) 
     noticed that Moltke was very bright with a fuzzy violet hue - he had 
     never seen it like this before. Cameron 2006 catalog extension TLP ID=
     240 and weight=2. ALPO/BAA weight=3.


2019-Apr-14 UT 22:49-23:19 Ill=74% Plato observed by Marshall_KP on 1984-2-12

     The UT given in the Cameron 2006 extension catalog are: 20:58, 23:25-
     02:20 and 01:40-04:00, however it is not clerr what UT applies to which 
     of the observers or the two features reported as having TLP on that 
     night. On 1984 Feb 12-13 Marshall (South Anerica, seeing=III-II) saw 
     initially no craterlets in Plato, despite the Moon being at a high 
     altitude. At 01:45UT the northwest corner of Plato was red. Again no 
     other craterlets showed. He found the surrounding wall to be too bright 
     and this was confirmed by Crater Extenction Device readings and had 
     problems focussing on the crater. By 02:00-02:50UT he noticed 
     variability in the visibility of the craterlets. By 03:48UT the central 
     craterlet was much brighter than before and the crater doublet had 
     brightened but the southern craterlet was still invisible. Cameron 
     comments that Marshall was a very experienced observer. A. Cook (of 
     Frimley, UK) obtained a photodiode line scan image of Plato. The 
     brightness of the north west wall was brighter than the bright area on 
     the west wall. Marshall and Mosely both saw a dark area on the floor of 
     Plato close to the south wall (from clock position of 11 o'clock. There 
     was a prominent white spot on the floor and the central craterlet was 
     seen, but only under good conditions. Mosely does not discuss the west 
     and north west wall brughtnesses that were seen earlier by Cook and 
     Marshall. Cameron 2006 catalog extension TLP ID=240 and weight=2. 
     ALPO/BAA weight=3.


2019-Apr-14 UT 23:27-01:22 Ill=74% Proclus observed by Cameron_W on 1988-12-18

     On 1988 Dec 18 at UT20:25 W. Cameron (Sedona, AZ, USA - TV camera 
     telephoto) noticed on a live TV shot of the Moon (apparently channel 3 
     TV broadcast at 11:25PM local time), that Proclus was brighter than 
     Censorinus (or Dionysus) and was the brightest feature on the Moon. It 
     was photographed from San Juan in Puerto Rico. Cameron 2006 catalog ID=
     342 and weight=. ALPO/BAA weight=5. ALPO/BAA weight=1.


2019-Apr-14 UT 23:36-01:13 Ill=74% Plato observed by Porter on 1976-9-4

     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. NASA catalog ID 
     #1448. ALPO/BAA weight=1.


2019-Apr-15 UT 00:07-01:58 Ill=75% Ross_D observed by Cross on 1964-4-22

     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.


2019-Apr-15 UT 00:40-02:26 Ill=75% Daniell observed by Saxton on 1979-7-4

     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.
     
     


2019-Apr-15 UT 01:26-03:17 Ill=75% Bullialdus observed by Foley_PW on 1975-9-15

     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.


2019-Apr-15 UT 01:26-03:17 Ill=75% Plato observed by Foley_PW on 1975-9-15

     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.


2019-Apr-15 UT 01:43-03:40 Ill=75% Sinus_Iridum observed by Unknown_Observer on 1872-3-19

     In 1872 Mar 19 at UT 23:17 an unknown observer observed in Sinus 
     Iridum: "Covered with a light gray shadow thru which he saw dimly the 
     surface below - indicating obscuring matter over it. (Cameron says: 
     only w. 1/3 of bay would be in shadow as boundaries are 25-37W)". The 
     Cameron 1978 catalog ID=178 and the weight=3.


2019-Apr-15 UT 01:59-03:55 Ill=75% Alphonsus observed by Moore_P on 1967-2-19

     Alphonsus 1967 Feb 19 UT 20:30-21:11 Observed by Moore, 
     Moseley (Armagh, Northern Ireland, 10" refractor, x360) "Blink 
     area between 1900 & 1940 with neg. results. Suddenly at 2030 
     there was a bright red glow, brightest Moseley had ever seen, 
     at Feb 17 suspectec place. Moore returned at 2037h in time to 
     see fading effect. Brief return at 2105-2111; neg. from 
     2120-2250h then clouds. Nothing on Feb 20. confirmation)." 
     NASA catalog weight=5. NASA catalog ID #1016. 
     ALPO/BAA weight=4.


2019-Apr-15 UT 02:11-03:05 Ill=75% Plato observed by Davies_H on 1988-10-20

     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.


2019-Apr-15 UT 02:51-03:09 Ill=76% Mare_Crisium observed by Arsyukhin on 1981-6-12

     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.


2019-Apr-15 UT 02:51-03:09 Ill=76% Plato observed by Arsyukhin on 1981-6-12

     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.


2019-Apr-15 UT 02:57-04:05 Ill=76% Alphonsus observed by Jenning on 1966-4-1

     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.


2019-Apr-15 UT 03:07-04:44 Ill=76% Agrippa observed by Capron on 1878-12-4

     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.


2019-Apr-15 UT 22:52-00:38 Ill=84% Daniell observed by Madej_P on 1982-4-4

     On 1982 Apr 04 at UT 23:30-00:25 P. Madej (Huddersfield, UK, 7cm 
     refractor & 16cm reflector) noticed the TLP in his refractor 
     first of all at x25. So stepped up the magnification to x111 and 
     found the crater brightness not what he was expecting. He tried 
     different filters but found no difference in brightness. With 
     the 16cm reflector however some changes in brightness were 
     dected. The crater has a very pale yellow colour and it was 
     slightly darker than Lacus Somniorum. P. Foley tried to confirm 
     at 00:09 but the crater looked normal then. The Cameron 2006 
     catalog extension TLP ID is 167 and weight=3. ALPO/BAA weight=2.


2019-Apr-15 UT 23:00-00:37 Ill=84% Torricelli_B observed by Cook_MC on 1983-4-23

     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.


2019-Apr-16 UT 00:23-02:21 Ill=84% Furnerius observed by Cameron_W on 1961-5-26

     Furnerius 1961 May 26 UT 02:20-03:00 Observed by Cameron (Aldephi, MD, 
     USA, 3.5" Questar reflector x160, S=G) "Crater stood out like 
     glittering points (small craters on rim?). Many features examined but 
     effect seen only on this crater and Stevinus (Specular refl. from flat 
     surface?)" NASA catalog weight=1 (very low). NASA catalog ID #738.


2019-Apr-16 UT 00:47-02:38 Ill=84% Proclus observed by Firsoff on 1954-9-8

     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.


2019-Apr-16 UT 01:03-03:01 Ill=84% Stevinus observed by Cameron_W on 1961-5-26

     Stevinus 1961 May 26 UT 02:20-03:00 Observed by Cameron (Aldephi, MD, 
     USA, 3.5" Questar reflector x160, S=G) "Crater stood out like 
     glittering points (small craters on rim?). Many features examined but 
     effect seen only on this crater and Stevinus. (Specular refl. from flat 
     surface?)" NASA catalog weight=1 (very low). NASA catalog ID #738.


2019-Apr-16 UT 01:09-02:59 Ill=84% Tycho observed by Taylor_DB on 1971-11-28

     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.


2019-Apr-16 UT 01:56-03:33 Ill=85% Plato observed by Watkins_E on 1971-9-30

     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.


2019-Apr-16 UT 02:05-06:00 Ill=85% Plato observed by North_G on 1980-5-25 *

     Plato 1980 May 25 UT 21:33-22:54 Observed by North (Seaford, 
     UK, seeing III-IV, 460mm Newtonian) Definite strong reddish 
     glow along NNW border, definitely much stronger than spurious 
     colouration and always visible when telescope moved in RA and 
     Dec to eliminate possible chromatic aberation effects in the 
     eyepiece. Effect ended by 21:54 UT. BAA Lunar Section Report. 
     ALPO/BAA weight=2.


2019-Apr-16 UT 03:00-04:55 Ill=85% Gassendi observed by Duckworth on 1969-11-20

     Gassendi 1969 Nov 20 UT 17:06-17:15 Observed by Duckworth 
     (Manchester, England, 8" refractor x250) Faint Pinkish 
     Obscuration on floor. Event in progress at 1706 - left telescope 
     at 1715 to report it, but TLP gone upon return. Gassendi was 
     normal from from 1734-1822h. NASA catalog weight=4. NASA catalog 
     ID #1223. ALPO/BAA weight=3.


2019-Apr-16 UT 04:16-05:03 Ill=85% Hyginus_N observed by Wilkins_HP on 1944-4-4

     Hyginus N 1944 Apr 04 UT 20:00? Observed by Wilkins (Kent, England, 
     15" reflector) "Darker than usual. S. edge of great crater valley was 
     bordered by a narrow dark band for 13km along its length" NASA catalog 
     weight=4 (high). NASA catalog ID #490.


2019-Apr-16 UT 06:32-07:23 Ill=86% Ross_D observed by Cross on 1965-3-14 *

     SE of Ross D 1965 Mar 14 UT 07:40 Observed by Cross (Whittier, CA, USA, 
     12" reflector) "Crater wall partially obscured; bright" NASA catalog 
     weight=3 (average). NASA catalog ID #872.


2019-Apr-16 UT 23:01-00:48 Ill=92% Gassendi observed by Haas_W on 1939-8-27

     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.


2019-Apr-16 UT 23:01-00:37 Ill=92% Torricelli_B observed by Cook_MC on 1983-4-24

     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.


2019-Apr-16 UT 23:06-00:37 Ill=92% Proclus observed by Bartlett on 1976-9-6

     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.


2019-Apr-16 UT 23:09-00:50 Ill=92% Aristarchus observed by Budine on 1964-2-25

     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.


2019-Apr-17 UT 01:04-03:01 Ill=92% Mons_Piton observed by Foley_PW on 1984-3-14

     Plato & Pico 1984 Mar 14/15 UT 19:18-01:48 Observed by Foley (Kent, 
     England, 12" Reflector seeing I, Transparency Very Good) "Obscuration 
     and colur seen on Plato and colouration and brightness seen on 
     Piton (CED used)" BAA Lunar Section Report.


2019-Apr-17 UT 01:04-03:01 Ill=92% Plato observed by Foley_PW on 1984-3-14

     Plato & Pico 1984 Mar 14/15 UT 19:18-01:48 Observed by Foley (Kent, 
     England, 12" Reflector seeing I, Transparency Very Good) "Obscuration 
     and colour seen on Plato and colouration and brightness seen seen on 
     Piton (CED used)" on and Colour" BAA Lunar Section Report.


2019-Apr-17 UT 01:23-03:06 Ill=92% Daniell observed by Crick on 1979-7-6

     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.


2019-Apr-17 UT 01:50-03:23 Ill=92% Plato observed by Cook_MC on 1987-2-10

     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.


2019-Apr-17 UT 02:25-04:23 Ill=92% Aristarchus observed by Gabriel on 1972-10-19

     Aristarchus 1972 Oct 19 UT 17:55-18:05 Observed by Gabriel (Wettern, 
     Belg. 4" refractor, x166, S=E), Hitchens (Stamine Locks, Eng., 8.5" 
     reflector, S=F), Peters (Kent, Eng., 10" relector), Amery (Reading, 
     Emg. 10?" reflector), Flynn (england, 12" reflector) "At 17:55h noted 
     bluish-purple color area just N. of Aris. & it reached just over N. 
     wall, lasted 2 min. At 1800h color noted again, but not as brilliant & 
     gone at 1801h. Seen again at 1804h & now was on E. (ast. ?) wall,
     lasting M 1min. Sure of its reality but not of lunar origin. All gone 
     at 1805h. Hitchens noted a very bright spot on W. (IAU?) wall between 2 
     prominent bands. Blue darkening in W#38 filter, neg. in W#8,25,58 & 
     integrated light. Other areas gave similar but lesser effects. May be 
     due to damp geletin. (Moore thinks not LTP but many obs. have rep't 
     blue in Aris.) Others obs. later (2100, 2215-2300, 2305h) & noted 
     nothing unusual." NASA catalog weight=2 (low). NASA catalog ID #1346.


2019-Apr-17 UT 02:29-04:03 Ill=92% Kepler observed by Lugo on 1954-11-7

     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.


2019-Apr-17 UT 02:59-04:48 Ill=92% Herodotus observed by Beaumont_S on 1993-9-28

     On 1993 Sep 28 at UT 04:30-06:10 S.Beaumont (Cambridge, UK)observed 
     that the north east edge of Herodotus appeared as a "highland area 
     spilling over into" the Cobra's Head border or "overlook". The shadow 
     on the elevation was contiguous with a similar shadow over the Cobra's 
     Head "like a darkening of the terrain. Shadow appears softer diffused 
     without sharp bounds of most Lunar shadows. sketch. S. edge of crater 
     started to appear at 0615". The Cameron 1978 catalog ID=468 and the 
     weight=2. The ALPO/BAA weight=1 as the date or UT are wrong.


2019-Apr-17 UT 04:40-05:06 Ill=93% Plato observed by Taylor on 1972-10-19

     Plato 1972 Oct 19 UT 20:10 Observed by Taylor, Phillips, Ford, Kennedy 
     (Dundee, Scot. 10" refractor) "Taylor noted a slight blink on NW wall. 
     Ford said it was neg. Phillips was not sure. Taylor returned to 
     telescope & no blink. Kennedy reported neg." NASA catalog weight=1 
     (very low). NASA catalog ID #1347.


2019-Apr-17 UT 05:05-05:06 Ill=93% Aristarchus observed by Foley_PW on 1981-4-16

     Foley, Kent, UK noted that the floor was slate blue-grey
     with no colour seen elsewhere. 12" reflector used, seeing=II.
     Cameron 2006 extension catalog ID 131 and weight=1. ALPO/BAA
     weight=1.


2019-Apr-17 UT 06:20-07:32 Ill=93% Plato observed by Foley_PW on 1981-6-14 *

     Plato 1981 Jun 14 UT 21:58 Observed by Foley (Kent, England, 
     11.75" Newtonian, Seeing III, Transparency Good) "Obscuration 
     Seen" BAA Lunar Section Observation. ALPO/BAA weight=2.


2019-Apr-17 UT 23:40-00:16 Ill=97% Aristarchus observed by Louderback_D on 1980-4-28

     On 1980 Apr 28, Louderback (South Bend, WA, USA using a 8" reflector 
     and a 2.5" refractor) observed a very bright reg region on top of the 
     south west rim of Aristarchus crater. This was on the same side as the 
     ray system between Aristarchus and Herodotus. Louderback noticed some 
     chromatic aberation - blue where he had seen the red patch before.
     Louderback suspects chromatic aberation was the cause although did not 
     see red in that region ever again. "Patch was between his observation 
     points A and C. Point C was 5 points brighter in the red filter than in 
     the blue." A sketch was made. Cameron suspects that the TLP was real.
     Cameron 2006 TLP catalog extension ID=92 and weight=3. ALPO/BAA 
     weight=2.


2019-Apr-17 UT 23:42-01:24 Ill=97% Aristarchus observed by Louderback_D on 1985-12-25

     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.


2019-Apr-17 UT 23:48-01:45 Ill=97% Vallis_Schroteri observed by Pickering_WH on 1893-1-30

     Variations in vapor column rising from the Cobra Head feature
     (seen on several nights in succession) and also in the visibility of 
     craterlets A, C, F. Sunrise +2d. (time est. fr. gives colongitude). 
     Cameron 1978 catalog ID=279 and weight=3. Pickering was observing from
     the southern station of Harvard University in Arequipa, Peru.


2019-Apr-18 UT 01:09-02:59 Ill=97% Manilius observed by Haas_W on 1939-6-30

     Manilius 1939 Jun 30 UT 06:05 Observed by Haas (NM?, USA, 12"? 
     reflector) "Dark area in S. part was I=2.0 but was I=3.7 on 7/30/39. 
     Obs. conditions were very similar." NASA catalog weight=4 (high). NASA 
     catalog ID #449.


2019-Apr-18 UT 02:03-05:54 Ill=97% Aristarchus observed by Foley_PW on 1975-9-18 *

     Aristarchus 1975 Sep 18 UT 21:00? Observed by Foley (Kent, 
     England, 12" reflector) "Deep blue-viol. spot in NW (IAU?) 
     interior corner." NASA catalog weight=3. NASA catalog ID #1414. 
     ALPO/BAA weight=3.


2019-Apr-18 UT 04:06-04:53 Ill=98% Aristarchus observed by Cutts on 1969-11-22

     Aristarchus 1969 Nov 22 UT 18:20-21:13 Observed by D. Cutts 
     (Chester, Eng., 8.5" reflector, x200), Moore (Sussex, Eng., 12" 
     reflector x425), Miles (Coventry, Eng. 5" refractor), Delaye and 
     Jourdran (Marseilles, Fr., 8" reflector) "Pulsating patch on W. 
     wall between 2 radial bands. Faded by 2000h. Returned to normal. 
     (Cutts). Miles saw strong pink in whole interior at 2112h. 
     Strong blink. No blink there at 2210-2212h. Gass., Grim., & 
     Plato were neg. Delaye & Joudan photog. it as very bright. Moore 
     got neg. results at 2135. (confirm. of activity?, Apollo 12 
     watch)." NASA catalog weight=5. NASA catalog ID #1226. ALPO/BAA 
     weight=3.


2019-Apr-18 UT 05:16-07:37 Ill=98% Aristarchus observed by Mobberley_M on 1981-4-17 *

     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.


2019-Apr-18 UT 23:01-01:15 Ill=100% Plato observed by Maggini_M on 1916-10-10 *

     Plato 1916 Oct 10 UT 21:00? Observed by M, Maggeni (Florence 
     Obs., Italy) "Reddish shadow spread over part of crater. Looked like 
     vapor (like nitrous vapor) and obscured underlying craters. The Cameron 
     1978 catalog weight=3 and ID = 365. The ALPO/BAA weight=3.


2019-Apr-19 UT 02:48-03:30 Ill=100% Furnerius observed by Cameron_W on 1961-5-29

     Furnerius 1961 May 29 UT 02:45-03:30 Observed by Cameron (Adelphi, MD, 
     USA, 3.5" reflector, x160, Questar, Seeing=good) "Craters stood out 
     like glittering points (small craters on rims?). Only anomalies among 
     many features examined (specular refl. from flat surface?)." NASA 
     catalog weight=4. NASA catalog ID #738. ALPO/BAA weight=1.


2019-Apr-19 UT 02:48-02:53 Ill=100% Stevinus observed by Cameron_W on 1961-5-29

     Stevinus 1961 May 29 UT 02:45-03:30 Observed by Cameron (Adelphi, MD, 
     USA, 3.5" reflector, x160, Questar, Seeing=good) "Craters stood out 
     like glittering points (small craters on rims?). Only anomalies among 
     many features examined (specular refl. from flat surface?)." NASA 
     catalog weight=4. NASA catalog ID #738. ALPO/BAA weight=1.


2019-Apr-19 UT 02:48-04:13 Ill=100% Eratosthenes observed by Bartlett on 1976-9-8 *

     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.


2019-Apr-19 UT 02:48-03:30 Ill=100% Plato observed by Bryukhanov_I on 1992-10-10

     On 1992 Oct 10 at 18:57-19:04 UT I.S.Brukhanov (of Minsk, Belarus, 
     using a 6" refractor x40 and x98) saw a star like point inside Plato 
     crater of similar brightness to the central peak of Alphonsus. The 
     event lasted 90 seconds before weakening and vanishing completely at 
     19:04UT. Cameron 2006 catalog extension ID=455 and weight=3. 
     ALPO/BAA weight=3.