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David Callejas

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January 20, 2019

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Harshwardhan Pathak
IC Astronomy Observatory, Spain

08/07/2023
02:23 am

Equipment Details:

Telescope: Offcina Stellare 700RC

Camera: QHY 600M Pro

Mount: Officina Stellare equatorial fork mount

Filters: Astrodon HOO

Post-processing Details:

Processed in Pixinsight and Adobe Photoshop

Image Details:

The Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27, and NGC 6853) is a planetary nebula (nebulosity surrounding a white dwarf) in the constellation Vulpecula, at a distance of about 1360 light-years.t was the first such nebula to be discovered, by Charles Messier in 1764. At its brightness of visual magnitude 7.5 .

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January 20, 2019

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David Callejas

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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!