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David Callejas

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January 20, 2019

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Randall Kayfes
Tucson, Arizona, USA

05/31/2022
11:47 am

Photographer's Website

Equipment Details:

Coronado 40mm Hydrogen-Alpha Singel Pass filtered, ZWO ASI 290 MM, 2324 frames stacked

Post-processing Details:

ZWO ASI Studio, 2324 Frames Stacked, Autostakkert evaluative stacking performed, Registax sharpening.

Image Details:

Sunspots 3023 & 3024 sure, Solar Filaments for sure! Lately we have been sunspot shy but the filaments are sure are taking center stage!

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!