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David Callejas

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January 20, 2019

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Randall Kayfes
Tucson, Arizona, USA

06/23/2022
11:27 am

Photographer's Website

Equipment Details:

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

Post-processing Details:

SharpCap, 947 Frames Stacked, Autostakkert evaluative stacking performed, Registax sharpening, DarkTable for contrast and color refinement.

Image Details:

Trying to get a good image before the Monsoon rain arrived so the seeing was pretty rough. However, I could not resist the big prominence hanging on the limb from sunspot 3032!

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!