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Contains:  NGC 5477, NGC 5473, M 101, NGC 5457
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M101 HaLRGB, 





    
        

            Bernd Steiner
M101 HaLRGB

M101 HaLRGB

Technical card

Resolution: 4299x3308

Dates:April 15, 2019April 30, 2019May 1, 2019

Frames:
Baader Planetarium Ha 31mm 7nm: 51x240" (gain: 75.00) -20C bin 1x1
Baader Planetarium L 31mm: 59x120" (gain: 75.00) -20C bin 1x1
Baader Planetarium RGB 31mm: 85x60" (gain: 75.00) -20C bin 1x1

Integration: 6.8 hours

Darks: ~25

Flats: ~25

Bias: ~100

Avg. Moon age: 20.63 days

Avg. Moon phase: 36.60%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2717457

RA center: 14h 2' 55"

DEC center: +54° 21' 0"

Pixel scale: 0.981 arcsec/pixel

Orientation: 198.395 degrees

Field radius: 0.739

Locations: Dieburg, Dieburg, Hessen, Germany

Data source: Backyard

Comments

Author

BerndST
Bernd Steiner
License: None (All rights reserved)
600
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M101 HaLRGB, 





    
        

            Bernd Steiner