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David Callejas

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January 20, 2019

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Ron Haggett
Yuma, Az

04/03/2024
12:00 am

Equipment Details:

Williams Optics Zenithstar 81 with 0.8x reducer/flattener
Optolong UHC filter
ZWO ASI 183MC cooled OSC camera

Post-processing Details:

7.5 hours of 4-minute subs
Stacked and processed in PixInsight
Fine tuned with Affinity Photo 2

Image Details:

Markarian's Chain is a stretch of galaxies that forms part of the Virgo Cluster. When viewed from Earth, the galaxies lie along a smoothly curved line.
The bright members of the chain are visible through small telescopes. Larger telescopes can be used to view the fainter galaxies. Near the center are a pair of interacting galaxies about 50 million light-years away, and are known as Markarian's Eyes.

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January 20, 2019

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David Callejas

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About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!