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Perseus Double Cluster and Stock 2
© SteveNickolls 2017

Perseus Double Cluster and Stock 2

I have always liked the double cluster in Perseus and on the 9th September 2017 I was able to image the area using my Star Adventurer mount and Canon 600D DSLR with 75-300mm f/4-5-5.6 III USM lens at 300mm FL setting. The image is composed from x20 three minute light frames ISO 400, f/5.6 plus x10 dark frames and x50 each bias and flat frames. The Exif temperature data showed the camera varied between 17 and 18 degrees C during the imaging run. Frames were stacked using DSS and processed using StarTools.


© SteveNickolls 2017
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First Imaging Attempt

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2 hours ago, rotatux said:

very nice FoV and colors! Is it cropped?

Hi and thanks :-) StarTools does not compromise original star colours and I was very pleased at all the red stars visible which is something I always spend ages looking at when viewing the cluster which is a personal favorite. I've just checked the processing record in StarTools and 20 pixels on the periphery were removed in the StarTools Crop module, so cropped but not by very much. It does show how good the SA mount is in operation compared to my Alt-Az Synscan mount. Thanks again for the kind comment.


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