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David Callejas

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January 20, 2019

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Grace Wheeler
Eureka, CA, USA

09/13/2022
04:30 pm

Photographer's Website

Equipment Details:

Lunt LS 80mm Hydrogen Alpha Solar Telescope, double stacked
ZWO ASI294mc planetary camera

Post-processing Details:

Autostakkert
ImPPG
NAFE
Photoshop

Image Details:

The solar disc imaged in hydrogen-alpha showing prominences, active regions, and filaments. On the eastern edge, AR 3102 (formerly 3088) is just rotating onto the near side of the disk. AR 3098 is the large region closest to the western edge and about 4 days from rotating out of sight.

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!