https://www.tdo.space/2017/07/03/m42-first-light/
M42- First Light image inside Transit Dreams Observatory
This image of the Great Orion Nebula was captured as a test of the pointing and tracking of the MX+ mount. It’s a combined total of 15.5 minutes exposure in LRGB.
ES127 F7.5 APO refractor- 952mm f.l.
Atik One 6.0 ccd
Astronomik LRGB filters
(1ea)-2sec to 4 min subs of Luminance, 11 minutes total.
(3) 30 sec each RGB, 4.5 minutes total.