Instrument

Celestron C11 @  ~f/10.48 (2930 mm fl) 1.265 arcsec / pixel. 

Mount

Paramount ME

Camera

SBIG STL-11000 w/ internal filter wheel, AstroDon Filters

Acquisition Data

3/28/2008 to 4/3/2008  Chino Valley... with CCDAutoPilot3

Exposure

Lum    290 min.  (29 x 10 bin 2x2)
RGB    300 min.  (10 x 10 bin 3x3) each

Software

CCDSoft, Sigma-Clip, Photoshop CS w/ the Fits Liberator plugin, Paint Shop Pro, and Noel Carboni's actions

Comment

North is to the top.
NGC 3198, a Spiral Galaxy in the constellation Ursa Major, is about half the size of our galaxy. Distance estimates range from 35 to 47 million light years.