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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

04/18/2022
11:00 am

Equipment Details:

Lunt 40mm Solar Telescope, GSO 2.5x Barlow, ZWO ASI290MM camera, SkyWatcher EQ6R Pro mount

Post-processing Details:

Best 400 frames stacked with AutoStakkert, sharpened with IMPPG, other post processing with Photoshop and MS Photo.

Image Details:

Sunspot complex AR2993-94 imaged this morning in hydrogen alpha. This is a very active area of the Sun showing both plage and filaments. On Saturday it exploding, releasing an X-class solar flare. According to SpaceWeather.com there is a continued threat of X-class solar flares from this sunspot complex.

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!