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David Callejas

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January 20, 2019

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Irwin Seidman
Owen Sound, Ontario, Canada

07/30/2021
11:26 pm

Photographer's Website

Equipment Details:

• William Optics ZenithStar 61 Doublet Refractor
• Optolong L-Pro Light Pollution Filter
• Nikon D750
• Skywatcher HEQ5
• No guide scope

Post-processing Details:

• Astro Pixel Processor (stacking and calibration)
• Starnet++ (star/nebulosity separation)
• Adobe Photoshop (editing and cropping)

Image Details:

The North America Nebula (NGC 7000, Caldwell 20) is a hydrogen emission nebula in the constellation Cygnus. It is about 2,200 light years away from our sun and measures roughly 100 light years across. The bright smaller nebula just to the right of NGC 7000 is the Pelican Nebula (IC 5070) and falling out of the frame in the lower right corner is IC 5068. Also seen in the image are the stars Cygnus 56, 57, 60 and 62 as well as open star clusters NGC 7039, NGC 6997, NGC 6996 and NGC 6989.

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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!