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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

02/12/2024
12:30 pm

Equipment Details:

Celestron NexStar Alt-Az mount, Lunt 40mm solar telescope, Player One Apollo-M Mini camera.

Post-processing Details:

AutoStakkert to stack best 625 out of 2500 frames , Registax for wavelets, additional post-processing with Photoshop and MS Photo.

Image Details:

This hydrogen alpha filtered image of the Sun shows several active sunspot groups and some nice prominences. The largest and most active sunspot group is AR3576 in the lower right portion of the solar disk.

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!