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David Callejas

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January 20, 2019

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David Hawkes
Sheffield, UK

03/22/2024
01:59 pm

Equipment Details:

Skywatcher 8” Newtonian with Seymour Solar 9.5” glass white light filter, Nikon D3400 with 1.5” Barlow lens

Post-processing Details:

Registax 6

Image Details:

Nice sunny day and good conditions, 2 extensive sunspot clusters (AR3615) which by my reckoning are around 6.8 Earth diameters measured left to right (obviously not the individual spots but the extent of the clusters). Former mega spot AR3590 (now AR3614) is still in picture.

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!