Instrument

12.5" RCOS @  ~f/9 (2880 mm fl) 1.28 arcsec / pixel.  Shown resampled to 1.71 arcsec/pixel. 

Mount

Paramount ME

Camera

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

Acquisition Data

6/8/2008 and 6/14/2008  Chino Valley... with CCDAutoPilot3

Exposure

Ha  480 min.  (16 x 30 min. bin 2x2)

Software

CCDSoft, CCDStack, Photoshop CS w/ the Fits Liberator plugin, Russell Croman's GradientXTerminator and Noel Carboni's actions.

CCDStack to register, normalize, data reject & combine.

PhotoShop for non-linear stretch and sharpening.

North is to the top.