Object:M20 Trifid Nebula Optic: CA300 (300/1140mm Newton) + Newtonmaster Corrector: Keller 3" Wynne Filter: Baader 50mm L-RGB Camera: SBIG STL11000M C2 at -20°C, selfguiding Exposures: R-G-B:28:28:28min, subexposures 4min Processing: Pixinsight, Photoshop Date: 2012.08.17 Austria, Osttirol |