M81 & M82 – Cigar & Bode’s Galaxy

Capture date: February 7th – 12th, 2023 & February 8th – 19th, 2025
Location: Augsburg, Germany
Bortle class: 6

Lights (Gain 100, -5°C, Bin 1×1):
H𝛼: 124 x 300s (10h 20m)
R: 115 x 180s (5h 45m)
G: 112 x 180s (5h 36m)
B: 76 x 180s (3h 48m)
L: 687 x 60s (11h 27m)
L: 185 x 180s (9h 15m)
Integration: 46h 11m
Darks: 60
Flats: 30 x 5s
Flat Darks: 60

Scope: Sky-Watcher Esprit 120ED
Flattener: Sky-Watcher Esprit 120ED Flattener 1.0x
Reducer: APM Riccardi 0.75x
Camera: ZWO ASI2600MM Pro
Guide scope: Sky-Watcher Esprit 120ED
Guide camera: ZWO ASI290MM Mini with ZWO OAG-L
Filterwheel: ZWO EFW 7x36mm
Filter(s): Astronomik H𝛼 6nm, Astronomik DeepSky RGB, Astronomik L-2
Mount: ZWO AM5 & Sky-Watcher EQ6-R Pro
Tripod: TS TriPier & Sky-Watcher EQ6
Control: ZWO ASIAIR Plus