Tag Archives: M51

M51 – Whirlpool Galaxy (core)

Capture date: March 18th & 19th, 2025
Location: Augsburg, Germany
Bortle class: 6

Lights (Gain 100, -5°C, Bin 1×1):
H𝛼: 38 x 300s (3h 10m)
R: 39 x 60s (1h 57m)
G: 55 x 60s (2h 45m)
B: 42 x 60s (2h 6m)
Integration: 9h 58m

Scope: Sky-Watcher Esprit 120ED
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
Mount: ZWO AM5
Tripod: TS TriPier
Control: ZWO ASIAIR Plus

M51 – Whirlpool Galaxy

Capture date: April 3rd – 5th, 2023
Location: Augsburg, Germany
Bortle class: 5-6

Lights (Gain 100, -5°C, Bin 1×1):
L: 173 x 180s (8h 39m)
R: 44 x 180s (2h 12m)
G: 45 x 180s (2h 15m)
B: 44 x 180s (2h 12m)
Integration: 15h 18m
Darks: 60
Flats: 30 x 5s
Flat Darks: 60

Scope: Sky-Watcher Esprit 120ED
Flattener: Sky-Watcher Esprit 120ED Flattener 1.0x
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 L-2, Astronomik DeepSky RGB
Mount: Sky-Watcher EQ6-R Pro
Tripod: Sky-Watcher EQ6 Tripod

Control: ZWO ASIAIR Pro

M51 – Whirlpool Galaxy

Capture date: May 17th – May 29th, 2022
Location: Augsburg, Germany
Bortle class: 5-6

Lights: L: 468 @ 60s, R: 16 @ 180s, G: 16 @ 180s, B: 17 @ 180s, H𝛼: 20x300s (Gain 100, -5°C)
Integration: 11h 55m
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: Sky-Watcher Esprit 100ED
Guide camera: ZWO ASI290MM Mini with ZWO OAG-L
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

M51 – Whirlpool Galaxy

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

Lights (Gain 100, -5°C, Bin 1×1):
H𝛼: 22 x 300s (1h 50m)
L: 130 x 180s (6h 30m)
R: 30 x 180s (1h 30m)
G: 22 x 180s (1h 6m)
B: 20 x 180s (1h)
Integration: 11h 56m
Darks: 60
Flats: 30 x 10s, 30 x 5s
Flat Darks: 60

Scope: Sky-Watcher Esprit 100ED
Reducer: APM Riccardi 0.75x
Camera: ZWO ASI2600MM Pro
Guide scope: Omegon 50F4
Guide camera: ZWO ASI290MM Mini
Filterwheel: ZWO EFW 7x36mm
Filter(s): Astronomik H𝛼 6nm, Astronomik L-2, Astronomik Deep Sky RGB
Mount: Sky-Watcher EQ6-R Pro
Tripod: Sky-Watcher EQ6 Tripod
Control: ZWO ASIAIR Plus

M51 – Whirlpool Galaxy

Capture date: April 26th & 27th, 2021
Location: Augsburg, Germany
Bortle class: 5

Lights: 886 @ 30s (Gain 121, -0°C)
Integration: 7h 23m
Darks: 60
Flats: 60 @ 5s
Flat Darks: 30

Scope: Vixen R200SS
Camera: ZWO ASI294MC Pro
Filter(s): Astronomik L-3 UV/IR
Mount: Vixen GPDX with SkySensor2000 PC
Tripod: Vixen HAL-110

Control: ZWO ASIAIR Pro