Ursa Major Triplet – M81, M82 & NGC3077

Capture date: March 9th – 13th, 2022
Location: Augsburg, Germany
Bortle class: 5-6

Lights: L: 207 @ 180s, R: 80 @ 180s, G: 75 @ 180s, B: 78 @ 180s, H𝛼: 70x300s (Gain 100, -5°C)
Integration: 27h 50m
Darks: 60
Flats: 30 @ 10s, 30 @ 5s
Flat Darks: 60

Scope: Sky-Watcher Esprit 100ED
Flattener: Sky-Watcher Esprit 100ED Flattener 1.0x
Camera: ZWO ASI2600MM Pro
Guide scope: Omegon 50F4
Guide camera: ZWO ASI290MM Mini
Filterwheel: ZWO EFW 7x36mm
Filter(s): Astronomik L-2, Astronomik Deep Sky RGB, Astronomik H𝛼 6nm
Mount: Sky-Watcher EQ6-R Pro
Tripod: Sky-Watcher EQ6 Tripod

Control: ZWO ASIAIR Plus