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Markarian's Chain, 



    
        

            Matt Harbison
Markarian's Chain
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Markarian's Chain

Technical card


Astrometry.net job: 996682

RA center: 12h 27' 51"

DEC center: +13° 20' 2"

Pixel scale: 2.255 arcsec/pixel

Orientation: 120.743 degrees

Field radius: 1.152 degrees


Resolution: 620x440

Description

Imaged between targets on a disastrous night as an afterthought, it was my only target that turned out nicely. Plate solving was off, dew heaters failed, flats were gathered incorrectly, but I managed around 10 decent frames of luminance and 5 or 6 color frames binned. I'll revisit this area for sure.

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.

Integration:
10 x 300s L
5 x 120s RGB 2x2

Acquisition:
Gathered in Sequence Generator Pro, this 2 panel mosaic was calibrated with Pixinsight, with levels and export in Photoshop. Imaged during the new moon at Fall Creek Falls, Tennessee.

Equipment:
William Optics 132 FLT w/ Flat IV reducer/flatener
Atik 383 L + Mono
LRGB Baader filters

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Markarian's Chain, 



    
        

            Matt Harbison