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David Callejas

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January 20, 2019

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Randall Kayfes
Tucson, Arizona, USA

01/20/2023
01:01 pm

Photographer's Website

Equipment Details:

Meade 2080 2000mm, SCT, OTA, Meade FR/Flattener F/6.3 ZWO ASI533 MC Pro cooled to 0°C

Coronado 40mm Hydrogen-Alpha Single Pass filtered, ZWO ASI 290 MM Mini

Post-processing Details:

SharpCap Pro, Autostakkert evaluative stacking performed, Registax sharpening, DarkTable for contrast and color refinement.

Image Details:

White Light filtered image of the Sun (left) and Hydrogen-alpha filtered image of the Sun (right) with the incrediable regions of AR3190 and AR3192.

Posted

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!