The Great Orion Nebula LRGB+H-Alpha image

The Great Orion Nebula LRGB+H-Alpha


Acquisition Details
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Description

M42 in LRGB + H-Alpha Total Exposure time 9.7 hours QHY9M monochrome CCD cooled to -30C Thomas M. Back TMB 92SS F5.5 APO Refractor Paramount GT-1100S German Equatorial Mount (with MKS 4000) Image Aquisition Maxim DL Stacking and Calibrating: CCDStack Registration of images in Registar Post Processing Photoshop CS5