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Subject: M51
Author: Daniel Ciobota
Scope: WO Megrez 90 APO
Instruments: .Mount: Celestron CGE, meade DSI Pro camera
Canon 2x teleconverter, Astronomik CLS filter stacked with Baader uv/ir filter, modified Digital Rebel Xt(350D)
Exposure time: 520min of exposures, 52x10 min subs at iso800
Place & Seeing:  
Date: 2007/03
Remarks: they were combined in DeepSkyStacker and post processed in Photoshop CS2

 

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