Saturday, July 02, 2016

imaged the Crescent (Halifax)

The BGO robot imaged NGC 6888 for me. A diffuse nebula in Cygnus. The Crescent Nebula. aka Caldwell 27. One of the RASC Finest NGCs.

RASC Finest diffuse nebula NGC 6888 luminance

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


Got more data on evening of July 3.


There's a known double star on the top edge of the nebula: HD 192182. Nice pair, a few magnitudes different in brightness, pleasingly tight.


Wikipedia link: Crescent Nebula.

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