User’s Photo Gallery No 1 Astro Images A place for your best Astro images. Seagull NebulaAn emission nebula in the constellation of Monoceros. Image by Roger Powell (2024). Seagull Nebula NGC 2264The Christmas Tree Complex in the constellation of Monoceros, with the Cone Nebula. Image by Roger Powell (2024). NGC 2264 M50Messier 50, an open cluster in the constellation of Monoceros. Image by Roger Powell (2024). M50 Page 1 of 11