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Contains:  NGC 5485, NGC 5477, NGC 5474, NGC 5473, M 101, NGC 5457
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The Pinwheel Galaxy M101, 





    
        

            Marc
The Pinwheel Galaxy M101

The Pinwheel Galaxy M101

Technical card

Resolution: 4530x3345

Dates:April 20, 2018

Frames:
Baader B 36 mm: 45x120" bin 1x1
Baader G 36 mm: 45x120" bin 1x1
Baader R 36 mm: 45x120" bin 1x1
Baader UHC-S: 45x300" bin 1x1

Integration: 8.2 hours

Darks: ~20

Flats: ~15

Bias: ~100

Avg. Moon age: 4.77 days

Avg. Moon phase: 23.64%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2034892

RA center: 210.918 degrees

DEC center: 54.341 degrees

Pixel scale: 1.357 arcsec/pixel

Orientation: 235.109 degrees

Field radius: 1.062 degrees

Locations: Westensee, Kiel, Germany

Description

Finally got a few clear nights again and tried my luck with this one. Seem to be having some trouble with image processing; not quite where I want it to be, but it's a start. Also, used the UHC-S filter on this one to go a bit deeper than I could with L. The halos around the brighter stars are an unfortunate side effect

Comments

Author

Lasastard
Marc
License: None (All rights reserved)
1390
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Revisions

  • The Pinwheel Galaxy M101, 





    
        

            Marc
    Original
  • Final
    The Pinwheel Galaxy M101, 





    
        

            Marc
    B

B

Re-calibrated

Sky plot

Sky plot

Histogram

The Pinwheel Galaxy M101, 





    
        

            Marc