NGC7789

Constellation: Cassiopeia        Distance: ?? lightyear

NGC7789

Image spcefications:
Exposure: 60 minutes (6 x 10 minutes) on 1600 ISO, RAW format
Camera: Modified Canon 40D in coldbox
Telescope: TEC 140
Mount: Losmandy G11
Guiding: Vixen Guiding Scope 70S and SBIG ST-4
Image processing: ImagesPlus, Photoshop CS3, NoiseNinja
Location: Etoile St Cyrice, France
Sky Quality Meter: 21.43
Temperature: Ambient: 17° C / In coldbox: 7° C
Date: 26 august 2009
Higher resolution 2000 x 1327