At 12' X 5' NGC 3621 is a modest size SBcd spiral galaxy in Hydra with a low surface
brightness of 22.3 mag/squ arc sec. Just above NGC 3621 is the 16th magnitude 40 arc sec
Sab spiral galaxy PGC 34490
Orion Optics AG12 F3.8
Starlightxpress SXVF-H694, SX USB CFW, SX OAG unit + Atlas Focuser
LRGB = 300 50 50 50min = 7.5hrs total exposure (bin 1X1) Astronomik filters
-20C chip temp, no darks, no flats, no noise reduction or gradient removal
Focal length 1120mm
Image scale 0.84"/pix
Guide Camera: Starlightxpress Loadstar
Comments
Clear, no moon and average to above average seeing