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Contains:  M 1, Crab nebula, NGC 1952
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M1 - The Crab Nebula, 





    
        

            AllAboutRefractors
M1 - The Crab Nebula

M1 - The Crab Nebula

Technical card

Resolution: 3281x2463

Dates:Dec. 6, 2017Dec. 7, 2017

Frames:
Astrodon BLUE 31mm - Gen2 E-Series Tru-Balance: 20x30" -20C bin 1x1
Astrodon GREEN 31mm - Gen2 E-Series Tru-Balance: 20x30" -20C bin 1x1
Astrodon Ha - 31mm 3nm: 23x1200" -20C bin 1x1
Astrodon OIII 31mm 3nm: 23x1200" -20C bin 1x1
Astrodon RED 31mm - Gen2 E-Series Tru-Balance: 20x30" -20C bin 1x1

Integration: 15.8 hours

Darks: ~30

Flats: ~30

Bias: ~90

Avg. Moon age: 18.60 days

Avg. Moon phase: 84.04%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 1950608

RA center: 83.641 degrees

DEC center: 22.008 degrees

Pixel scale: 0.861 arcsec/pixel

Orientation: 180.124 degrees

Field radius: 0.491 degrees

Description

M1 - The Crab Nebula

Taken December 6 and 7, 2017 near Seattle, WA

Telescope: TEC 180 @ f/7
Camera: QSI 683 WSG-8
Guide Camera: Starlight Xpress Lodestar
Mount: Astro-Physics 900GTO
Exposure:

Ha: 7 hours 40 minutes (23 x 20 min, bin 1x1)

OIII: 7 hours 40 minutes (23 x 20 min, bin 1x1)

R,G,B: 10 minutes each (20 x 30 sec each filter, bin 1x1)

Total Integration Time: 15 hours 30 minutes

Processed in PixInsight 1.8,
Narrowband/RGB processing done using NBRGB script.

Comments

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AllAboutRefractors
AllAboutRefractors
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M1 - The Crab Nebula, 





    
        

            AllAboutRefractors