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Big Dipper Reprocessed, 


            Van H. McComas

Big Dipper Reprocessed

Technical card

Resolution: 3474x2314

Date:Sept. 7, 2017

Time: 20:42

Frames: 6

Focal length: 18

Seeing: 5

Transparency: 8

Data source: Backyard


What do we do on cloudy nights, Reprocess! I really didn't like my first Big Dipper, rushed the processing, only used two frame, so I did it again. Aperture f/4.5, Shutter Speed 20 seconds, ISO 1600, 18 mm focal length, 6 light frames and 6 dark frames, DSS & DPP.



Van H. McComas
License: None (All rights reserved)


Big Dipper Reprocessed, 


            Van H. McComas

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Cloudy Nights