Tag Archives: NGC7538

Sh2-157 – Lobster Claw Nebula

Capture date: August 10th – 13th, 2022
Location: Augsburg, Germany
Bortle class: 5-6

Lights (Gain 100, -5°C, Bin 1×1):
H𝛼: 96 x 300s (8h)
Oiii: 65 x 300s (5h 25m)
Sii: 63 x 300s (5h 15m)
R: 19 x 10s (3m 10s)
G: 20 x 10s (3m 20s)
B: 19 x 10s (3m 10s)
Total Integration: 18h 49m 40s
Darks: 60
Flats: 30 @ 5s, 30 @ 10s
Flat Darks: 60

Scope: Sky-Watcher Esprit 100ED
Reducer: APM Riccardi 0.75x
Camera: ZWO ASI2600MM Pro
Guide scope: Sky-Watcher Esprit 100ED
Guide camera: ZWO ASI290MM Mini with ZWO OAG-L
Filterwheel: ZWO EFW 7x36mm
Filter(s): Astronomik H𝛼 6nm, Astronomik Oiii 6nm, Astronomik Sii 6nm, Astronomik DeepSky RGB
Mount: Sky-Watcher EQ6-R Pro
Tripod: Sky-Watcher EQ6 Tripod

Control: ZWO ASIAIR Plus