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Markarian’s Chain

Markarian’s Chain is a beautiful string of galaxies in the Virgo Constellation. The group was named after Benjamin E. Markarian, an Armenian astrophysicist who was the first to discover that at least seven of the galaxies share a common motion through space.
Acquisition Date:  March 28, 2019
Location: Tierra del Sol, San Diego County, California
Equipment:
• Imaging Scope – Takahashi FSQ-106 EDX IV
• Imaging Camera – ZWO ASI1600MM-C with EFW2
• Filters – Baader 36mm unmounted luminance filter
• Guiding – Borg 77ED with ZWO ASI120MM-S
• Mount – Astro-Physics 900GTO
Camera Control – Sequence Generator Pro
Guider control – PHD2
Acquisition Details:
• Imaging Camera – gain 76, offset 15 – cooled to -15
• Exposures – 75 x 90 secibds
Processing:
PixInsight and Photoshop CC were used to process the images.
• PixInsight –
⁃ Image calibration, alignment and integration
⁃ MultiscaleLinearTransform for noise attenuation
⁃ HistogramTransformation for histogram adjustment
• Photoshop –
⁃ additional adjustments to histogram and brightness
Markarian’s Chain
Posted in CMOS Camera Image, Galaxies

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