Alphonsus 1958 Dec 03 UTC 11:00? Observed by Alter, Mt Wilson, CA, USA,
60" reflector "Photog. spect. showed floor of crater redder than
neighboring areas outside its walls. (Palm had a rep't for this date --
same area?). NASA catalog weight=4 (high). NASA catalog ID #710.
On 1994 Jan 04 at UT21:00 J. Nibbering (Rosendaal, Netherlands)
obtained a photograph that shows a large crescent of light centred on
Tycho crater, but includes also: Lilius, but not to Clavius. Cameron
suspects strongly that it was caused by camera lens flare. The Cameron
2006 catalog ID=471 and the weight=5. The ALPO/BAA weight=1.
On 2009 Jun 16 at UT 03:20-03:40 P. Morgan (UK, 30.5cm reflector, x400,
seeing=6/10 and transparency=5/5) observed a large diffuse ashen-like
effect over the shadow filled floor of Plato. The effect was lighter
towards the south. Observer checked the effect with both left and right
eyes and it remained the same. Unusually no shadow spires from rim
moutain peaks were seen. A check for colour in the region effected
revealed none. As time progressed, terrestrial twilight encroached. A
sketch was made. The ALPO/BAA weight=1.
On 1981 Oct 21 at UT13:40-13:45 D. Louderback (South Bend, WA, USA,
10" reflector) observed a cloud on the north east quadrant of
Aristarchus crater, and also covered the bright spot on the east wall
(Cameron says that the east wall bright spot is Bartlett's "EWBS".
Louderback mentions that this TLP gave Aristarchus a diamond ring
effect. The Cameron 2006 catalog ID=157 and weight=3. The ALPO/BAA
weight=2.
Aristarchus 1976 Nov 16 UT 06:15 Observed by Bartlett (Baltimore, MD,
USA, 3" refractor, 54-200x, S=4, T=5) "Crater very dull except EWBS=
9deg & large. W.glacis=5deg & inner E.wall 6deg. Floor is dull 5deg,
c.p.=10 deg. SWBS has disappeared. No viol. anywhere" NASA catalog
weight=4 (high). NASA catalog ID #1460.
On 1788 May 01 at UT 01:00? Schroter (Lilienthal, Germany, reflector
used) observed a small depression near Aristarchus, 1, that had a
strong glimmer. The Cameron 1978 catalog weight=4 and ID=45. The
ALPO/BAA weight=2.
Aristarchus 1961 Dec 3 UTC 03:05-03:40 Observed by Kozyrev (Crimea,
Soviet Union) described in NASA catalog as: "Emission lines in spectrum
of c.p. red & blue, H2 identified, several km2 area. Projected into
shadow cast by W. wall. Source rose to a height above the crater. 50"
reflector used NASA catalog weight=5 (very high). NASA catalog TLP ID
No. #756.
In 1942 Feb 02 at UT 18:20-19:15 Y.W.I. Fisher (Brussels,
Belgium) a whitish glow near the Earthlit limb, near to
Kepler (37W, 7N). The duration of the event was 55 min.
The Cameron 1978 catalog ID=488 and weight=2. The
ALPO/BAA weight=1. Ref. p220-221 IAU Symposium
No. 14 - The Moon.