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Ptolemaeus triple

Main craters are Ptolemaeus, Alphonsus & Arzachel. Rupes Recta (straight wall) in lower left.

Low contrast due to terminator being quite far away.

 

2 pane mosaic from best 200 frames of 750 frame AVI on QHY5 each

 

Celestron C11

QHY5

IR pass filter (Astronomik 742nm)

 

Stacked in Registax 6, processed in CS3

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Taken on July 1, 2012