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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

11/20/2021
05:02 pm

Equipment Details:

200mm f/10 Celestron C8 SCT, ZWO ASI224MC CMOS camera with UV/IR cut filter, SkyWatcher EQ6R mount

Post-processing Details:

2500 video frames stacked with AutoStakkert3, wavelets with Registax6, additional post-processing with Photoshop and Microsoft Photo.

Image Details:

Jupiter and 3 of the 4 Galilean moons (from left to right: Ganymede, Io, Europa - Callisto is out of frame on the left) imaged early Saturday evening. This image was obtained during twilight just after sunset. To the unaided eye Jupiter appeared as a brilliant white "star" against the blue sky.

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!