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Contains:  NGC 4479, NGC 4477, NGC 4474, NGC 4473, NGC 4468, NGC 4461, NGC 4459, NGC 4458, NGC 4438, The Eyes, NGC 4435, NGC 4425, NGC 4413, M 86, NGC 4406, NGC 4402, NGC 4388, NGC 4387, M 84, NGC 4374
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Markarian's Chain, 





    
        

            John Butler
Markarian's Chain

Markarian's Chain

Technical card

Resolution: 3332x2172

Dates:March 6, 2017

Frames:
Astrodon Blue Tru-Balance E-Series Gen 2: 300x8" (gain: 200.00) -20C bin 1x1
Astrodon Green Tru-Balance E-Series Gen 2: 210x12" (gain: 200.00) -20C bin 1x1
Astrodon L Gen.2 E-series: 594x4" (gain: 200.00) -20C bin 1x1
Astrodon Red Tru-Balance E-Series Gen 2: 60x45" (gain: 200.00) -20C bin 1x1

Integration: 2.8 hours

Darks: ~25

Flats: ~50

Bias: ~100

Avg. Moon age: 8.47 days

Avg. Moon phase: 61.47%

Bortle Dark-Sky Scale: 7.00

Astrometry.net job: 1488486

RA center: 186.873 degrees

DEC center: 13.350 degrees

Pixel scale: 2.023 arcsec/pixel

Orientation: 106.698 degrees

Field radius: 1.118 degrees

Locations: Backyard, Edison, New Jersey, United States

Comments

Author

jpbutler
John Butler
License: None (All rights reserved)
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Markarian's Chain, 





    
        

            John Butler

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