NGC6946, galaxy in Cepheus
2012 Sep 15, Asikkala
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.