Ruud de Vries - Dutch Backyard Astrophotography
Fighting light pollution.....
NGC 7822
NGC 7822, Ha only
Telescope
TS 90/600
Camera
Atik one 6.0
Mount
Skywatcher AZ-EQ5 PRO
Flattener
TSFlat2,5
Guiding camera
Starlight Xpress Lodestar
OAG
TS 2" Off Axis Guider
Exposure
32 * 900sec Ha