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Contains:  NGC 4477, NGC 4476, NGC 4474, NGC 4473, NGC 4461, NGC 4459, NGC 4458, NGC 4440, NGC 4438, NGC 4436, The Eyes, NGC 4435, NGC 4431, NGC 4425, NGC 4413, M 86, NGC 4406, NGC 4402, NGC 4388, NGC 4387, IC 3311, M 84, NGC 4374
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Markarian's Chain, 





    
        

            Alan Mason
Markarian's Chain

Markarian's Chain

Technical card

Resolution: 4930x3273

Dates:March 13, 2019

Frames:Hutech IDAS LPS-P2 2": 36x180" (gain: 50.00) -10C bin 1x1

Integration: 1.8 hours

Darks: ~50

Flats: ~50

Bias: ~200

Avg. Moon age: 6.43 days

Avg. Moon phase: 39.98%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 2584904

RA center: 186.868 degrees

DEC center: 13.205 degrees

Pixel scale: 1.406 arcsec/pixel

Orientation: 89.338 degrees

Field radius: 1.155 degrees

Data source: Backyard

Description

Markarian's Chain, a wonderful cluster of galaxies in Virgo.

This image was captured using the IDAS LPS-P2 light pollution filter. I imaged this same target a week ago using UV/IR cut only, and was not as impressed with the exposure length due to surrounding light pollution. With around the same amount of integration, I was able to pull more details out due to longer exposures.

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Author

AlanMason
Alan Mason
License: None (All rights reserved)
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Markarian's Chain, 





    
        

            Alan Mason