NGC 6946

Combination of 27, 3 minute exposures, SBIG ST-8XE CCD.
300mm f/3.5 Tamron lens.

NGC 6946 is a large and beautiful face-on, spiral galaxy on the Cygnus-Cepheus border. Although bright, it is a difficult object in a small telescope unless the skies are dark, because it has a low surface brightness. In a 10" telescope it appears as a faint, circular haze with a bright centre.

10 minute exposure, SBIG ST-8XE CCD.
8" f/10 schmidt-cassegrain telescope at prime focus.

Combination of 10, 3 minute unfiltered exposures, 5, 3 minute exposures with red and green filters and 6, 3 minute exposures with a blue filter.
SBIG ST-8E CCD. 16" f/10 schmidt-cassegrain telescope with an f/6.3 focal reducer.

Combination of 15, 1 minute images unfiltered.
SBIG STL-1001E CCD. 16" f/10 schmidt-cassegrain telescope at prime focus.

Combination of 5, 3 minute images unfiltered.
SBIG STL-1001E CCD. 20" f/6.8 Dall-Kirkham cassegrain telescope at prime focus.