M42, The Great Orion Nebula

 

m42

Object:
M42 in Orion (Narrowband false color image)
Comments:
Filter assignments:  Ha to Red channel; Oiii to Green channel; Sii to Blue channel
Telescope:
Televue NP-101 (4-inch f/5.4 APO refractor)
Mount:
Losmandy G11 German Equatorial
Guide Scope:
Orion Short Tube 80mm refractor
Guide Camera:
Orion StarShoot AutoGuider & PHD2 software
Imaging Camera:
QHY163M
Filters/Exposures:
Twenty-six 120-second exposures through Astrodon Ha, Oiii, and Sii filters (plus twenty-four 2-second exposures through through those same filters to reduce the core burnout).  Calibrated & stacked in MaximDL, color combined in PS CS6.
Shooting Location:
Virginia Beach, VA
Date/Time:
21 and 31 January 2018  (UTC)