M42, Orion Nebula
Exposure time of overall image: 93 minutes (3 min. subs) | Optics: Takahashi Epsilon-180ED f/2.8 | Camera: Baader modified Canon 5D Mark II (ISO 1600) | Mount: Astro-Physics Mach1 GTO | SQM: 21.2 magnitude/arcsec² | Location: Dijkgatbos, Netherlands | Date: January 21, 2017.
Exposure time of M42's core (Trapezium): 3 minutes, 10 seconds (10 sec. subs) | Optics: Takahashi FSQ-106ED f/5 | Camera: QHY 8 | Mount: Losmandy GM-8 | Location: Étoile-Saint-Cyrice, Hautes-Alpes, France | Date: January 25, 2009.