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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

03/05/2022
11:10 am

Equipment Details:

Lunt 40mm solar telescope, ZWO ASI290MM with 2.5x Barlow, SkyWatcher EQ6-R mount.

Post-processing Details:

Best 330 frames of video plus flat calibration frame were stacked using AutoStakkert; sharpened and levels adjusted using IMPPG, other post-processing was with Photoshop CS2 plus Astronomy Tools plugin, PhotoScape X and MS Photo.

Image Details:

Sunspot AR2960 had just rotated into view when I imaged it in hydrogen alpha mid morning on Saturday 5 March. A large prominence and several filaments, which are prominences seen top-down, are also visible. The light area near the sunspot is called plage.

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!