Celestial hemisphere:  Northern  ·  Constellation: Lynx (Lyn)  ·  Contains:  Solar system body or event

Image of the day 11/25/2021

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Comet NEOWISE on July 14th 2020, Christian Koll
Comet NEOWISE on July 14th 2020
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Comet NEOWISE on July 14th 2020

Image of the day 11/25/2021

Getting plate-solving status, please wait...
Comet NEOWISE on July 14th 2020, Christian Koll
Comet NEOWISE on July 14th 2020
Powered byPixInsight

Comet NEOWISE on July 14th 2020

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Description

I have never seen a comet as bright as this before!
Absolutely amazing is the amount of dust and vapor this comet ejects every second: 10 tons! Curious is the red part of the ion tail, reported to be caused by sodium.

A very similar photograph of mine was rewarded by being shortlisted in the Astronomy Photographer of the Year Award 2021.

This is a stack of 100 exposures of 30 seconds each. Taken on July 14th 2020 in rural Lower Austria with a Nikon D750 and a 135mm Sigma Art lens at f/3.5 and ISO 1600. Tracking with Astrotrac; processed with Astro Pixel Processor and Photoshop.

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Comet NEOWISE on July 14th 2020, Christian Koll