M101: A spiral galaxy in the Big Dipper.


Images taken: April 16, 2008, by Jon Flint and Brian Mazur.

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

Camera: SBIG ST-10 CCD

Exposures: 3 x 30 min red, green, blue, and 30 min H-alpha (2 hours total).

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


Images taken: April 11, 2007, by Bart Reising & James Davis.

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

Camera: SBIG ST-10 CCD

Exposures: 2 x 15 min red, 3 x 15 min green, 3 x 15 min blue (2 hours total).

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