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Hemisphere:  Northern  ·  Contains:  Andromeda Galaxy, M 110, M 31, M 32, NGC 205, NGC 221, NGC 224, The star 32And, The star νAnd
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M31 under heavy LP and a mere 30 mins per color channel, 



    
        

            Axel
M31 under heavy LP and a mere 30 mins per color channel
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M31 under heavy LP and a mere 30 mins per color channel

Technical card

Imaging telescopes or lenses: Canon EF 200mm 1:2,8 L II USM

Imaging cameras: ZWO ASI 1600MM Cooled Pro

Mounts: SkyWatcher EQ6-R Stellardrive

Software: Stellarium  ·  SGPro  ·  PixInsight 1.8 Ripley

Filters: ZWO Blue 1.25"  ·  ZWO Green 1.25"  ·  zwo Red 1.25"

Accessory: AstroMechanics ASCOM Canon EF Lens Controller  ·  ZWO 8 Position EFW


Dates:Nov. 12, 2020

Frames:
ZWO Blue 1.25": 13x120" (gain: 75.00) -20C bin 1x1
ZWO Green 1.25": 13x120" (gain: 75.00) -20C bin 1x1
ZWO L 1.25": 87x120" (gain: 75.00) -20C bin 1x1
zwo Red 1.25": 14x120" (gain: 75.00) -20C bin 1x1

Integration: 4.2 hours

Avg. Moon age: 26.38 days

Avg. Moon phase: 10.85%

Bortle Dark-Sky Scale: 8.00


Basic astrometry details

Astrometry.net job: 4012006

RA center: 0h 42' 43"

DEC center: +41° 13' 33"

Pixel scale: 4.046 arcsec/pixel

Orientation: 264.389 degrees

Field radius: 3.202 degrees


Resolution: 4530x3455

Data source: Backyard

Description

M31 with the Canon 200mm @f5 with step down ring to avoid spikes on bright stars. I enjoyed a clear 1/2 night where I packed a 6L 1R 1G 1B ratio. The color layer out of stack was very thin an dull but I think I extracted some value here.

I'm more famiiar with NB imaging but this image has given me some incentive to do more LRGB.
CS
Axel

Comments

Author

+Rajang_is_innocent+
Axel
License: None (All rights reserved)
811
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M31 under heavy LP and a mere 30 mins per color channel, 



    
        

            Axel