NGC 7789
NGC 7789

0bject NGC 7789 Open clusterr in Cassiopeia
Date September 20-21, 2014
Exposure LRGB 60:60:60:60 (cropped)
Camera STL11000M with AstroDon Gen II filters (water-assisted cooling)
Telescope ASA 10N f/3.7 on AP900GTO CP3
Guiding Remote guide head with MiniBorg 50 mm
Processing MaximDL, Photoshop CS5, GradientXterminator, AstroActions
Comments Moderate to good seeing