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Contains:  IC 3355, IC 3393, IC3344, IC3355, IC3382, IC3388, IC3393, M 84, M 86, M84, M86, NGC 4374, NGC 4387, NGC 4402, NGC 4406, NGC 4425, NGC 4435, NGC 4438, NGC 4458, NGC 4461, NGC 4473, NGC4387, NGC4402, NGC4425, NGC4435, NGC4438, NGC4458, NGC4461, NGC4473, The Eyes
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Markarian's Chain, 



    
        

            Stan Smith
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Markarian's Chain

Technical card


Dates:June 1, 2019

Frames:
Optolong Blue 1.25": 20x60" bin 1x1
Optolong Green 1.25": 20x60" bin 1x1
Optolong Lum 1.25": 20x60" bin 1x1
Optolong Red 1.25": 20x60" bin 1x1

Integration: 1.3 hours

Avg. Moon age: 27.55 days

Avg. Moon phase: 4.36%

Bortle Dark-Sky Scale: 4.00


Astrometry.net job: 2765457

RA center: 12h 27' 24"

DEC center: +13° 10' 44"

Pixel scale: 4.421 arcsec/pixel

Orientation: 11.542 degrees

Field radius: 0.811 degrees


Resolution: 1024x838

Locations: DarkSky Observatory (In My Back Yard), Westminster, SC, United States

Data source: Backyard

Description

Markarian's Chain is a stretch of galaxies that forms part of the Virgo Cluster. When viewed from Earth, the galaxies lie along a smoothly curved line. Charles Messier first discovered two of the galaxies, M84 and M86, in 1781. The other galaxies seen in the chain were discovered by William Herschel and are now known primarily by their catalog numbers in John Louis Emil Dreyer's New General Catalogue, published in 1888. It was ultimately named after the Armenian astrophysicist, Benjamin Markarian, who discovered their common motion in the early 1960s. Member galaxies include M84 (NGC 4374), M86 (NGC 4406), NGC 4477, NGC 4473, NGC 4461, NGC 4458, NGC 4438 and NGC 4435. - Wikipedia

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Author

stan29693
Stan Smith
License: None (All rights reserved)
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Markarian's Chain, 



    
        

            Stan Smith