Bubble Nebula (NGC 7635) and open cluster M52


Today, November 7, 2015, I tried out my new Sony Nex-3N camera with the Celestron Nexstar 102 SLT (FL=660mm, Aperture 102mm, f/6.5) that was mounted on my motorized Astrozap mount. This is a stack of 60 images (30s exposure time, 1600 ASA). Processed using Nebulosity version 4. It was difficlut to aim at the bubble, because I could not see it through the telescope. I ended up using the setting circles and got lucky ... Taken on 11/07/2015.

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