Object/type:Moon / Rays around Copernicus & Tycho craters
mag/dia/dist:
constellation:
date/time/place:Nov 10, 2000 / 22:00 / bangkok
trans'y/seeing/l-poll:
telescope:newtonian 4.5" f8.8
eyepieces/power:25mm / 40x
sky atlas page:
Before loi-kra-tong festival. Sky had so much cloud. Moon rays from tycho crater were quite clear The longest rays are in South to North direction, about 3,500 km length.
-Tycho crater, 90 km diameter, the spectacular crater at full moon, bright rays scatter thousands of km, overwhelming all other features.
Object/type:Moon / Rays around Copernicus & Tycho craters
mag/dia/dist:
constellation:
date/time/place:Nov 11, 2000 / 21:00 / bangkok
trans'y/seeing/l-poll:
telescope:newtonian 4.5" f8.8
eyepieces/power:25mm / 40x
sky atlas page:
At full moon of loi-kra-tong festival, sky was so clear.
The major features are:
-Near the center "Copernicus crater", diameter 96 km, with bright rays around the crater, but shorter than tycho's rays
-Upper of Copernicus is "Kepler crater", just 32 km diameter also has bright rays
-Sinus Iridum, the bay of rainbow, the half of its wall was sunk unser lava sea.
-Plato crater, at lower of Sinus Iridum, its floor is the darkest ones. Home
Hosted by www.Geocities.ws

1