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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

10/03/2022
11:00 am

Equipment Details:

Celestron 102mm f/10 refractor, APM Herschel Wedge, ZWO ASI260MM camera with GSO 2.5x Barlow, SkyWatcher EQ6R mount.

Post-processing Details:

The best 5% of 2000 frames of video (Ser file) were stacked with AutoStakkert, wavelets adjusted with Registax, final adjustments and color added using Photoshop.

Image Details:

Sunspot group AR3112, which just rotated into view on the NE limb of the Sun, is huge and poses a risk for X-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!