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David Callejas

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January 20, 2019

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Wo Wehali
Atlanta, Georgia

01/06/2024
09:37 pm

Equipment Details:

Orion 180mm Mak-Cass, ASI 224mc, Firecapture

Post-processing Details:

Registax 6, Photoshop

Image Details:

The sky was mostly clear to partly cloudy and I was fortunate to get a window between 9 and 10 p.m. EST to capture the double shadow transit. Ganymede's shadow is the larger of the two on the bottom left (moving toward bottom center) and Europa's is on the lower right, approaching the limb. The moons themselves were as follows: Io to the upper left, Europa lower right, and Ganymede bottom right (farthest out). The GRS was also visible making it a pretty spectacular apparition!

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!