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David Callejas

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January 20, 2019

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Jim Militello
Tucson, Arizona USA

02/22/2024
10:00 am

Equipment Details:

Coronado SolarMax 90 Ha solar telescope, ZWO ASI178mm video camera.

Post-processing Details:

The image is a single stack of 500 video frames. I used Autostakkert, Registax Wavelets, Photoshop.

Image Details:

The image is a closeup of active region 3590. If you look close at the limb you can see a small corona mass ejection next to the prominence.

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!