Contains:  Solar system body or event
Arzachel Crater, Bruce Rohrlach

Arzachel Crater

Arzachel Crater, Bruce Rohrlach

Arzachel Crater

Equipment

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Acquisition details

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Description

Decided to try lunar imaging with the ASI1600mm Pro (cool) to see how it performed relative to the ASI224mc. Unfortunately I didn't image with both cams on the same night. Both are acceptably good under the right seeing conditions in my view. Used a ProPlanet 742 IR pass filter. Skywatcher 8inch/f5 Newtonian.



This is the relatively young Arzachel crater on the lunar highlands, the youngest of the proximal trio of craters Ptolemaeus, Alphonsus and Arzachel. Arzachel has beautifully terraced outer walls that extend 3km above the crater floor, a 1.5 km high peak rising above the central crater floor, and Rima Arzachel. Deep gouges on the outer terrain between Arzachel and Alphonsus are, in some quarters, thought to have been scoured out of the landscape by impact debri-flows ejected during the Imbrium impact that created Mare Imbrium. That would not have been a nice day to be outside.

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Histogram

Arzachel Crater, Bruce Rohrlach