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.