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CYGNUS_5_pane
 
© SteveNickolls 2018

CYGNUS_5_pane



Over five sessions in September, October and November this year as weather has allowed I have been able to put together a five-pane Ha mosaic of part of Cygnus utilising either my Star Adventurer or CG-5 mount. The length of the mosaic now stretches over 19 degrees of sky. Each pane was made from x18-x24 300 second light frames taken with a modified Canon 700D DSLR, Astronomik 12nm Ha filter and Samyang 135mm lens, exposures were at f/2 and ISO 400. Library temperature matching dark frames were employed in the staking process as were master flat and bias frames. Stacking was done using Deep Sky Stacker and further processed using StarTools. MS ICE was then used to stitch the panes together. This version of image used the original RGB file which was processed with the monochrome version in StarTools with a 30% percentage treatment in StarTools’ LAYER module to bring out highlights.

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© SteveNickolls 2018
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