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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

12/09/2023
11:49 am

Equipment Details:

Player One Apollo-M Mini camera with Photosphere filter, Antares 3x Barlow, APM Herschel Wedge, Orion f/6 ED80T CF refractor telescope, Celestron NexStar SLT mount

Post-processing Details:

Best 75 frames of SER video were stacked with AutoStakkert, wavelets adjusted with Registax, and false color added with Photoshop.

Image Details:

This filtered image shows 3 sunspot groups that are rotating out of view, top to bottom AR3510, AR3508, and AR3511. Sunspot group AR3511 has been very active, producing a number of strong M-class solar flares.

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!