TLP Repeat Illumination/Libration and Earthshine predictions for: Iceland - Reykjavik



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


2025-Jun-01 UT 00:00-01:55 Ill=29% Janssen observed by Marshall_KP on 1983-9-11 *

     On 1983 Sep 11 at UT 23:52 K.P. Marshall (Columbia, 12" 
     reflector, x268, seeing II), whilst sketching the crater 
     Janssen noticed a tenuous red patch on the southern junction 
     of the valley which joins Fabricius to A. Nothing resembling 
     this found on nearby areas. The ALPO/BAA weight=1.


2025-Jun-01 UT 00:19-01:55 Ill=29% N_Pole observed by Wilkins_HP on 1953-4-18 *

     Cusps 1953 Apr 18 UT 21:00? Observed by Wilkins (Kent, England, 15"? 
     reflector) "Faint extension of the cusps. (high peaks in sunlight)." 
     NASA catalog weight=2 (low). NASA catalog ID 558.


2025-Jun-01 UT 00:19-01:55 Ill=29% S_Pole observed by Wilkins_HP on 1953-4-18 *

     Cusps 1953 Apr 18 UT 21:00? Observed by Wilkins (Kent, England, 15"? 
     reflector) "Faint extension of the cusps. (high peaks in sunlight)." 
     NASA catalog weight=2 (low). NASA catalog ID #558.


2025-Jun-01 UT 23:15-23:34 Ill=38% Plato observed by Schroter on 1788-4-11

     Bright point seen near Plato. A much brighter one was near
     Aristarchus. Apparently seen by both Schroter and Bode.
     The Cameron 1978 catalog ID=43 and weight=5. The
     ALPO/BAA catalog weight=3.


2025-Jun-01 UT 23:15-23:34 Ill=38% Prinz observed by Schroter on 1788-4-11

     Bright point 26" N of Aristarchus rim. Resembled one
     near Plato but less conspicuous. The was a confirmed
     observation by Schroter and Bode?


2025-Jun-01 UT 23:15-23:34 Ill=38% Aristarchus observed by Bornhurst on 1965-8-3

     On 1965 Aug 03 at UT 04:18-04:24 Bornhurst (Monterey Park, CA, USA, 
     10" reflector, x240, S=F-G) and Leasure and Emanuel (Whittier, CA, USA) 
     observed some star-like flashes in Aristarchus in ashen light 
     (confirmed). The Cameron 1978 catalog ID=888 and the weight=5. The 
     ALPO/BAA weight=4.


2025-Jun-01 UT 23:15-23:34 Ill=38% Unknown observed by Unknown_Observer on 1965-10-1

     On 1965 Oct 01 at 04:00UT an unknown observer saw a TLP (feature name 
     not given in the Cameron catalog - nor a description or reference). The 
     Cameron 1978 catalog ID=897 and weight=1. The ALPO/BAA weigh=1.


2025-Jun-01 UT 23:15-23:26 Ill=38% Aristarchus observed by Kozyrev on 1968-6-1

     On 1968 Jun 01 at UT 21:00? Kozyrev (Crimea?, Soviet Union)
     Gas luminescence seen in Aristarchus crater. The Cameron 1978 catalog 
     ID=1075 and weight=3. The ALPO/BAA weight=3.


2025-Jun-01 UT 23:15-23:34 Ill=38% Aristarchus observed by Younger on 1969-7-20

     On 1969 Jul 20 at UT 0530-0540 Younger and Byl (Victoria, BC, Canada, 
     48" reflector) saw a fuzzy brightening near Aristarchus of less than 
     0.5 minute of arc diameter (Apollo 11 watch). The Cameron 1978 catalog 
     ID=1171 and weight=4. The ALPO/BAA weight=2.


2025-Jun-02 UT 23:18-23:27 Ill=48% Bessel observed by Dennett_F on 1877-6-17

     Bessel 1877 Jun 17 UT 22:30 Observed by Denett (England?, 2.75" 
     reflector) "Tho't he could detect a minute pt. of light shining out of 
     dark crater. (no high peaks in Bessel to catch light.)" NASA catalog 
     weight=3 (average). NASA catalog ID #194. ALPO/BAA weight=3.


2025-Jun-02 UT 23:18-23:27 Ill=48% Aristarchus observed by Bornhurst on 1965-8-4

     On 1965 Aug 04 at UT 04:02-04:04 Bornhurst (Monterey Park, CA, USA, 
     10" reflector, x240, S=F-G) observed some star-like flashes in 
     Aristarchus in ashen light. The Cameron 1978 catalog ID=889 and the 
     weight=3. The ALPO/BAA weight=2.


2025-Jun-02 UT 23:18-23:27 Ill=48% Unknown observed by Unknown_Observer on 1965-10-2

     On 1965 Oct 02 at 04:00UT an unknown observer saw a TLP (feature name 
     not given in the Cameron catalog - nor a description or reference). The 
     Cameron 1978 catalog ID=898 and weight=1. The ALPO/BAA weigh=1.


2025-Jun-03 UT 23:20-01:39 Ill=58% Archimedes observed by Try on 2001-9-25 *

     Near archimedes 2001 Sep 25 UT 08:30 Observed by Try (Whangarei, New 
     Zealand, 4" f/10 reflector) "observed two possible L.T.Ps. on the edge 
     of the terminator near the crater Archimedes. They appeared to be two 
     bright points of light about the size of Mount Piton. They seem to 
     form a triangle with Mount Piton. He observed them for two hours and 
     they were still visible when he ended his observing session.  He was 
     observing with a 4" f10 reflector. Then Moon age was 7.9 days old and 
     the colongitude was 4.83. submitted a drawing showing the area where 
     the lights were observed." ALPO report. ALPO/BAA weight=1.


2025-Jun-05 UT 23:24-00:15 Ill=76% Eimmart observed by Pickering_WH on 1913-6-14 *

     Eimmart 1913 Apr 14 UT 01:00 Observed by Pickering (Mandeville, 
     Jamaica, 6.5" reflector) "By this date crater was clear  & at an albedo 
     ~5?. Drawings compare Jan. 16 & Aug.9, 1913." NASA catalog weight=3 
     (average). NASA catalog ID #344.


2025-Jun-05 UT 23:35-01:15 Ill=76% Agrippa observed by Bartlett on 1967-7-17 *

     Shadow of central peak barely distinguishable.
     Residual wall shadow normal black. Landslip very
     conspicuous, 10 deg bright. Cameron 1978 catalog
     TLP ID=1040 and weight=4. Cameron 2006 Catalog
     Extension ID=12 and weight=4. ALPO/BAA weight=2.