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Tycho is a prominent lunar impact crater located in the southern lunar highlands. It is a relatively young crater, with an estimated age of 108 million years. The crater is sharply defined and free of the wear that affects older craters. The crater is surrounded by a distinctive ray system forming long spokes that reach as long as 1,500 kilometers.
Celestron 9¼" at f/7.5 on a Celestron CGE equatorial mount
SBIG ST-8XM camera
SBIG CFW-10 filter wheel with Astrodon TruBalance LRGB filters
Clement Bellerophon focuser
Optec Pyxis camera rotator
Unguided imaging with MaxIm DL 4.56
|Exposure||Single 0.11-second unbinned frame, through a hydrgen-alpha filter, -30°C|
Levels and curves, unsharp mask in Photoshop CS2
|Date and Location||
4 November 2006
Montpelier, VA N 37° 49' 12", W 77° 42' 06"