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Contains:  M 84, M 86, M 87, NGC 4374, NGC 4387, NGC 4388, NGC 4402, NGC 4406, NGC 4407, NGC 4425, NGC 4435, NGC 4436, NGC 4438, NGC 4440, NGC 4458, NGC 4461, NGC 4473, NGC 4476, NGC 4478, NGC 4486, Virgo Galaxy
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Markarian's Chain, 


Markarian's Chain
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Markarian's Chain

Technical card

Dates:March 25, 2017

Frames: 20x240" ISO800

Integration: 1.3 hours

Darks: ~25

Flats: ~35

Avg. Moon age: 26.73 days

Avg. Moon phase: 8.59%

Bortle Dark-Sky Scale: 3.00

Temperature: 30.00

Basic astrometry details job: 3320936

RA center: 12h 27' 56"

DEC center: +12° 59' 42"

Pixel scale: 1.623 arcsec/pixel

Orientation: 332.201 degrees

Field radius: 1.149 degrees

Resolution: 4247x2816


Had to throw more than half of the subs due to mount acting whimsical. But anyways managed to pull out something. The framing was really tight and difficult.



License: None (All rights reserved)

Sky plot

Sky plot


Markarian's Chain,