The Cosmos with M42 September 6, 2021 Optics: Phillips 24-inch RCOS Telescope Camera: SBIG STL11000 Exposure: LRGB = 55:25:25:25 (2.17 hours) Object Types: Emission Nebula Constellation: Orion Creator: Adam Block Copyright by Creator(s), Mount Lemmon SkyCenter, and University of Arizona. Share this post ← Micky WallerHappy Labor Day 2021 →