Here is my latest attempt with Orion. 8) Imager-Megrez 90 w f/6.3 FR and DSI-Pro, Guide-WO ZS66-Petzval and DSI-C. 125 x 15 sec subs, applied mask 25 x 5 sec subs in PS CS2 (my first try with applying a mask), added color with "Astronomy Tools". Also took R-G-B...but will "practice" adding R-G-B on a cloudy night (still learning techniques). Let me know what you think...or tips I can learn by. Alan
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