NGC 7331

Technical details:

Optics:                    8" inch SCT
Camers:                  Canon 60D prime focus
Guiding:                  Orion Starshoot autoguider, 60mm guide scope piggyback
Mount:                    Celestron AVX.
Dates:                     9-7-12 December 2017
location:                  Taken at the Backyard Country Observatory
Exposurs:               RAW 412 minutes 4-minutes subs, 50 darks, 70 bias, ISO-1600
Processing:            Digital Image Professional, Deep Sky Stacker, Pixlnsight, Photoshop cs5