Astro photography
II


Moon

Moon, Tycho region, May 29, 2004. This photograph was taken when the Moon was waxing gibbous, about ten days past new, and shows the southern region. This is a fovourite part of the Moon to explore with a telescope because of the varied terrain and interesting craters. The crater at the middle of the rays that stretch out across the surface is Tycho, which is thought to be about 100 million years old, which makes it the youngest of the large impact craters on the Earth facing side of the Moon. Tycho is about 85 km across, and the ejecta rays which formed during its creation stretch for thousands of km across the Moon's surface. The large crater to the south of Tycho is Clavius, which has an interesting curving chain of smaller craters inside it. The large crater to the middle left, on the shadow line is Gassendi. Sunlight is just catching the far walls of Gassendi, plus the upper part of the mountain peak at its centre. The Apollo 12 and 14 landings took place in the northern part of Mare Nubium; the upper left section of the photograph.

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Steve Irvine
R.R. # 2
Wiarton, Ontario
Canada N0H 2T0
(519) 534 2175
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