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David Callejas

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January 20, 2019

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Randall Kayfes
Tucson, Arizona, USA

07/18/2022
10:47 am

Photographer's Website

Equipment Details:

Left: Coronado 40mm Hydrogen-Alpha Singel Pass filtered, ZWO ASI 290 MM
Right: Meade circa 1981 Model 2080, SCT, ZWO ASI533 MC Pro cooled to 0°C

Post-processing Details:

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

Image Details:

Hydrogen Alpha filtered on the left and Visible White Light filtered on the right - Same Sun looking through different filters... Check out the beautiful prominence in the Hydrogen Alpha photo

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!