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Technical card

Resolution: 3180x2430

Dates: March 28, 2015

Frames: Astrodon 36mm LRGB E Series Gen 2: 36x300" -10C bin 1x1

Integration: 3.0 hours

Darks: ~40

Flats: ~40

Bias: ~40

Avg. Moon age: 8.01 days

Avg. Moon phase: 56.69%

Bortle Dark-Sky Scale: 3.00

Mean FWHM: 3.22

Temperature: -1.00

Astrometry.net job: 640692

RA center: 186.940 degrees

DEC center: 12.917 degrees

Orientation: 174.361 degrees

Field radius: 1.170 degrees

Description

BIN 1X1 AT -10C

L 36X300
R 10x600
G 10X600
B 10X600

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 is located at RA 12h 27m and Dec +13° 10′.

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Author

Emmanuel Malakop...
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Markarian Chain, Emmanuel  Malakopoulos