M 97: The Owl

Images taken: Spring 2015.

Telescope: CDK 17-in with f/4.6 focal reducer.

Camera: SBIG ST-10 CCD


Images taken: March 23, 2014.

Telescope: CDK 17-in with f/4.6 focal reducer.

Camera: SBIG ST-10 CCD

Exposures: 2 sets of 20 min with red, green, and blue filters (2 hours total).

The Owl is a planetary nebula in the Big Dipper.


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