8.5 hours exposure time through Chroma narrowband filters.
H-a 4h 10 min
O-III 2h 40min
S-II 1h 40min
Telescope: Skywatcher Esprit 120, focal length 840 mm, f/7
Drive: Astrosysteme DDM160
Camera: Apogee U16M, CCD temperature = -20 C
Processing: PixInsight
Dinium Observatory, Østhusvik, Norway
6 авг 2024