Image of storage and NGC6820 open cluster NGC 6823, taken from Nicolosi (Sicily) in July 2010, DS Pro Color CCD Orion Starshoot fire a Newton 254 / paved with Baader Planetarium MPCC 1200, adding the best 15 frame 10 '. Were used for processing Maxim and Photoshop LE. The nebula is located in the constellation Vulpecula, and is seen almost exclusively in photography, the latter being very weak.
I have already taken up this subject in the past with a 102mm Takahashi TSA and excellent sky, now I wanted to test more than twice the diameter of the pipe under a sky newton very polluted and filtered by a filter against Hutech IL.
Marcello AMARI
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