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Contains:  M 87, NGC 4486, NGC 4477, NGC 4474, NGC 4473, NGC 4461, NGC 4459, NGC 4438, The Eyes, NGC 4435, NGC 4425, NGC 4413, M 86, NGC 4406, NGC 4402, NGC 4388, IC 3311, M 84, NGC 4374
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Markarian's Chain, 





    
        

            Zdenek Vojc
Markarian's Chain

Markarian's Chain

Technical card

Resolution: 3288x2369

Dates:April 27, 2019

Frames: 294x300" (gain: 101.00) -15C

Integration: 24.5 hours

Darks: ~30

Flats: ~30

Bias: ~30

Avg. Moon age: 22.65 days

Avg. Moon phase: 44.66%

Bortle Dark-Sky Scale: 4.00

Mean SQM: 20.80

Astrometry.net job: 2690276

RA center: 187.014 degrees

DEC center: 13.098 degrees

Pixel scale: 2.536 arcsec/pixel

Orientation: 271.558 degrees

Field radius: 1.427 degrees

Locations: HVH observatory, Homole, Czech Republic

Data source: Backyard

Description

The best view is in the full resolution.

Comments

Author

zdenek.vojc
Zdenek Vojc
License: None (All rights reserved)
1954
Like

Revisions

  • Markarian's Chain, 





    
        

            Zdenek Vojc
    Original
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    B
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    D
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    E
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    F
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    G
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    H
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    K
  • Final
    Markarian's Chain, 





    
        

            Zdenek Vojc
    L

B

Litle more light

D

denoised

L

Superpixel for downsizing

Sky plot

Sky plot

Histogram

Markarian's Chain, 





    
        

            Zdenek Vojc