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Contains:  NGC 5477, M 101, NGC 5457
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M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts
M 101: The Pinwheel Galaxy

Technical card

Resolution: 3994x2840

Dates:April 6, 2019April 7, 2019

Frames:
Baader 36mm UV/IR: 125x160" (gain: 10.00) -20C bin 1x1
Baader H-Alpha 36mm 7nm: 33x420" (gain: 16.00) -20C

Integration: 9.4 hours

Darks: ~45

Flats: ~40

Bias: ~100

Avg. Moon age: 1.54 days

Avg. Moon phase: 2.92%

Bortle Dark-Sky Scale: 2.00

Temperature: 12.00

Astrometry.net job: 2635700

RA center: 210.799 degrees

DEC center: 54.377 degrees

Pixel scale: 0.646 arcsec/pixel

Orientation: 35.242 degrees

Field radius: 0.440 degrees

Locations: Alamo Lake State Park, Wenden, AZ, United States

Data source: Traveller

Comments

Author

Arcturus19
Alex Roberts
License: None (All rights reserved)
2153
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Revisions

  • M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts
    Original
  • M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts
    B
  • M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts
    C
  • Final
    M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts
    D

B

Reworked for better color balance.

Sky plot

Sky plot

Histogram

M 101: The Pinwheel Galaxy, 





    
        

            Alex Roberts