NGC 6946
Distance from Earth: about 10 million light years
Located at border of Cepheus & Cygnus
Telescope: 12.5" RCOS
Camera : STL11000, off axis guiding
Mount : AP1200
Image date: June 2011
-- Filters used and total time--
Luminous 290 minutes
Red 120 minutes
Green 120 minutes
Blue 120 minutes
Ha
OIII
SII