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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

10/10/2021
11:00 am

Equipment Details:

Lunt 40mm hydrogen-alpha solar telescope, 2.5x Barlow, and ASI290MM camera - all on a SkyWatcher EQ6R mount.

Post-processing Details:

Best 1000 frames of video stacked with AutoStakkert, sharpness and levels adjusted using IMPPG, final tweaks to image and color added using Photoshop.

Image Details:

Sunspot AR2882, although large, has until now been fairly quiet; however, earlier today AR2882 unleashed a strong M class solar flare and coronal mass ejection that is headed towards Earth! The white area is called plage. Two short filaments are also visible to the left of the sunspot.

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!