M42 - The Great Orion Nebula HaLRGB, LRGB and H-Alpha

M42 in HaLRGB


Above is a composite image of H-Alpha, Luminance and RGB.  376 subs as follows:

Luminance 48 x 5 min
Red 18 x 10 min and 40 x 1 min
Green 19 x 10 min and 40 x 1 min
Blue 24 x 10 min and 40 x 1 min
H-Alpha: 29 x 10 min, 80 x 1 min and 38 x 10 seconds

Scope: AP155 EDF w 0.75x reducer / flattener (155TCC)
Mount: Paramount ME (MKS 5000 upgrade)
Camera: StarlightXpress Trius SX814 w Astrodon Gen II HaLRGB filters
Guider: ST402ME / Borg 60mm achromat

Processing in PixInsight but the layering of the various exposure durations was done in PS CC 2018.

Lucknow, Ontario Feb/Mar 2018

M42 in LRGB


M42 in H-Alpha

M42 H-Alpha