Nebulae The Great Orion Nebula, M42 Image November 22, 2020 admin Leave a comment M42, The Orion Nebula. Multiple data sets – 137×8 sec gain 30 for the core, 37×60 and 60×60 gain 20, 34×60 gain 11, all at offset 200, QHY183c at -15C to -20C and an Optolong L-eNhance Filter, TV-85 at F/5.6.
