M-92 Star Cluster

Techincal details:

Optics:                  8" Schmidt Cassegrain
Mount:                  Celestron AVX.
Camera:                Canon 60D prime focused
Guiding:                Orion Starshoot auto guider 60mm guide scope
Date:                    July 20-2016
Location:               Taken at my Backyard Country Observatory in Northwest Missouri
Exposure details:   22x180sec  ISO-1000 RAW
Processing:           Images plus Trans rotated, combined, brightness, Photoshop cs5 ( levels, screen mask invert, Highpass filter,)