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Technical card

Resolution: 5202x3465

Dates: April 28, 2014

Frames: 39x210"

Integration: 2.3 hours

Avg. Moon age: 28.23 days

Avg. Moon phase: 1.90%

Astrometry.net job: 230780

RA center: 187.008 degrees

DEC center: 13.035 degrees

Pixel scale: 0.899 arcsec/pixel

Orientation: 178.416 degrees

Field radius: 0.781 degrees

Locations: Home Observatory, Tucson, AZ, United States

Description

From Wiki

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.[1] 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.[2]

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milliesand
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M84  -  Markarian's Chain, milliesand

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