Friday, May 11, 2018

reshot the Cocoon (Halifax)

BGO shot NGC 4490, the Cocoon, again. Was hoping to improve on the first attempt on 17 Dec '17.

the Cocoon galaxy and partner in luminance

FITS Liberator 3, GIMP 2. Luminance only, 60 seconds subexposures, 10 stacked shots. North is up; east is left.

A good result.

Huh. The field of view is different...


Quickly processed in colour on 4 Mar '21.

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