Andromeda Core

Technical details:

Optics:                  8" inch SCT
Mount:                  Celestron AVX
Camera:                Canon 60D
Guiding:                Orion starshoot autoguider 60mm guid scope
Date:                     September 22-2017
Location:               Taken at my Backyard observatory in northwest Missouri
Exposure details:  Two frame mosiac each frames 21X120sec lights, 201-bias, 15-darks, 10-flats, ISO-2000, daylight white balance, RAW 
Processing:           Images plus: (automatic image set processing, align TSR, combined average)
                              Microsoft image composite for joining the two images together
                              Photoshop CS5 (curves, selective color, color balance, levels, highpass filter, hues saturations, brightness contrast