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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

02/08/2024
12:30 pm

Equipment Details:

Dwarf 2 robotic telescope with ND filters, Manfroto tripod

Post-processing Details:

97 subs were stacked by the Dwarf 2. Brightness, sharpness and contrast were adjusted using Photoshop

Image Details:

The largest sunspot group in this filtered image of the Sun is AR3576, which is massive and has the potential to produce 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!