Dobsonian Astrophotography

M57

Telescope:   Obsession

Mirror:         25" f/5 Galaxy Optics

Drive:           AZ/ALT, StellarCAT ServoCAT with DSC Argo Navis

Camera Equipment:   ST-10XME Class 2 CCD, CFW-8A, AO-7, Pyxis Field De-Rotator, TCF-S

Exposure:   106x5 seconds.  Lumicon Deep Sky Filter - 2"

Processing:   CCDSoft 5 align and combine folder of images, Photoshop 5.0

Location:   My backyard in Ridgecrest, CA (Mojave Desert), 2600 ft. elevation, population 30,000

Date:         5/06//06

Comments:  Click on image for higher resolution.