M41: An open cluster in Canis Maior

Images taken: Feb. 19, 2007, by Ruth Ann Cooper, Richard Whitehouse.

Telescope: Meade 12 in with f/5.7 focal reducer (f=68in).

Camera: SBIG ST-10 CCD

Exposures: 30 sec red, 30 sec green, 45 sec blue.

Image processing: CCDoops + CCDSoft + CCDSharp + Photoshop CS.