NGC2403 is a face on spiral galaxy in Camelopardalis, it belongs to the M81 group of galaxies. The dimension is about 23.5' x 12'. The surface brightness is 14.4 so it is rather faint.
10 February 2007
LRGB Exposures, Artemis 285. C8 @ f6 (fl. ~1200mm)
14x240s Astronomik IRB filter, binning 1x1
12x120s Astronomik R filter, binning 2x2
15x120s Astronomik G filter, binning 2x2
14x120s Astronomik B filter, binning 2x2
Autoguiding: Takahashi FS60c (fl. 354mm) and Vesta SC3 webcam
Mount: Vixen GPDX. FS60C mounted at the end of counterweight shaft.
The temperature was -15C with ot of fog/frost in the air. This limited the amount of frames that could be taken. Just over midnight the skies closed, no stars could be seen.