Astronomy Adventure – Messier 17, The Swan Nebula
Messier 17, also known as the Swan Nebula or the Omega Nebula, is located in the constellation Sagittarius and lies about 3,500 light years from us. It was first “discovered” by Philippe Loys de Chéseaux in 1745 and Messier added it to his catalogue in 1764.
Here are the technical details:
Scope: Starblast 4.5; tracking on
Camera: iPhone6 using NightCapPro app; ISO 8000
Processing: 2×15 sec. images stacked in Deep Sky Stacker; with darks; adjusted curves using GIMP