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David Callejas

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January 20, 2019

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Peter Forister
Charlottesville, VA, USA

11/08/2021
01:00 am

Photographer's Website

Equipment Details:

Canon Rebel t6, SkyWatcher Adventurer 2i tracker, Sigma 100-400mm lens, external power pack, intervalometer. 30x 60" subs. 400mm, iso1600, f/8

Post-processing Details:

Stacked in Deep Sky Stacker (comet mode), stretched in Adobe Photoshop, and contrast/color adjusted in Adobe Lightroom

Image Details:

This is a DSLR shot of comet 67P/Churyumov-Gerasimenko (mag +9.8) with a nice 1°+ tail. The comet is at peak brightness the week of November 8th, and I captured this shot in the early morning hours from Charlottesville, VA in the northeastern sky. The elongated star trails are a stacking artifact from the comet's apparent motion in the night sky.

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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!