NGC6946, galaxy in Cepheus

2012 Sep 15, Asikkala

Canon 550D

GSO/TS250 Newtonian reflector, f/4

102 x 30 s at ISO3200

Processed with Iris, levels with Photoshop elements.

Image width is about 1,1° Besides galaxy NGC6946, also an open cluster NGC6939 can be seen. The three brighter, bluish stars have magnitudes between 7.17 and 7.77.

For larger size, click here.  Close-up of the galaxy is here