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David Callejas

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January 20, 2019

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Patricio Leon
Santiago, Chile

07/12/2022
02:41 pm

Equipment Details:

4.5" telescope, Canon T7i + solar filter, 1/640s ISO 100

Post-processing Details:

crop, B/C

Image Details:

finally a clear sky to capture the Sun, it has 4 mayor spot groups on his face, the image shows AR 3053 (up) and 3055 below with a scale Earth between them. Group 3055 is quite big at 12.5 x 2.5 Earths ( about 160.000 km long ! ) and is easily seen with unaided eye

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!