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David Callejas

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January 20, 2019

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Jim Militello
Tucson, Arizona USA

10/22/2023
11:48 am

Equipment Details:

Coronado SolarMax 90 Ha telescope, ZWO ASI178mm video camera.

Post-processing Details:

The inverted image is a stack of 300 video frames. I used SharpCap, Autostakkert, Registax Wavelets, Photoshop.

Image Details:

The Sun doesn't have a lot of activity today, but it has some nice prominence as seen in this inverted image.

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!