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Technical card

Resolution: 4659x2812

Dates: July 8, 2013

Frames: 24x300"

Integration: 2.0 hours

Avg. Moon age: 29.27 days

Avg. Moon phase: 0.08%

Astrometry.net job: 93172

RA center: 186.760 degrees

DEC center: 12.868 degrees

Pixel scale: 2.012 arcsec/pixel

Orientation: -88.984 degrees

Field radius: 1.520 degrees

Locations: Pousada dos Anões, Alto Paraíso de Goiás, Goiás, Brazil

Description

Markarian's Chain is a stretch of galaxies that forms part of the Virgo Cluster. It is called a chain because, when viewed from Earth, the galaxies lie along a smoothly curved line. It was named after the Armenian astrophysicist, B. E. 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. It's located at RA 12h 27m and Dec +13° 10′.
At least seven galaxies in the chain appear to move coherently, although others appear to be superposed by chance. (Wikipedia)

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Wellerson Lopes
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Markarian's Chain, Wellerson Lopes

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