AstroPhotography by Dan Richey

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Gibbous Moon
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Gibbous Moon

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Northeast of the Mare Imbrium (1), just barely becoming visible ten days into the lunar month, is half of the rim of a large crater (2). This feature is called Sinus Iridum ("The Iridescent Hollow"). It's the big "bay" in Imbrium. Apparently the basalt which flooded Imbrium covered up about half the wall of this crater.

Object Information

Name Gibbous Moon

Acquisition / Processing

Exposure Cropped only.
Telescope AP 105 @ f6
Camera Nikon D300
Mount AP 900GTO
Location San Pedro Creek, NM
Date July 28, 2012

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