User’s Photo Gallery No 1 Astro Images A place for your best Astro images. The Trifid Nebula M20A combination of open star cluster, emission nebula (reddish-pink), reflection nebula (blue) and dark nebula. Image by Mark Sellars (2023). The Trifid Nebula M20 Trifid Nebula M20NGC 6514, an unusual combination of star cluster, emission nebula, reflection nebula and dark nebula in Sagittarius - Roger Powell (2020). Trifid Nebula M20 Horsehead NebulaDark nebula Barnard 33, silhouetted against emission nebula IC 434 in Orion. Also showing the Flame Nebula, NGC2024 - Roger Powell (2018). Horsehead Nebula Page 1 of 11
