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David Callejas

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January 20, 2019

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David Hoskin
Halifax, Nova Scotia, Canada

03/12/2023
10:00 pm

Equipment Details:

ZWO ASI183MC camera, Svbony 30mm guide scope with ASI290MM, WO RedCat51 astrograph, Svbony UV/IR cut filter, ES iEXOS-100 mount

Post-processing Details:

17 3-min subs plus calibration frames were stacked with DeepSkyStacker. Post-processing with SiriL, Photoshop, StarNet++, and MS Photo.

Image Details:

Messier 46 (left) and Messier 47 (right) are open star clusters located in the constellation Puppis. Messier 46 is about 5,000 light years from Earth and over 250 million years old. A small planetary nebula, NGC 2438, is visible near the top centre of Messier 46. Messier 47 is closer (1,600 light years) and younger (78 million years) than Messier 46. There are about 500 stars in each cluster.

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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!