Celestial hemisphere:  Northern  ·  Constellation: Camelopardalis (Cam)  ·  Contains:  Solar system body or event
Comet ATLAS C/2019 Y4 (9 April 2020), bbright
Comet ATLAS C/2019 Y4 (9 April 2020)
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Comet ATLAS C/2019 Y4 (9 April 2020)

Comet ATLAS C/2019 Y4 (9 April 2020), bbright
Comet ATLAS C/2019 Y4 (9 April 2020)
Powered byPixInsight

Comet ATLAS C/2019 Y4 (9 April 2020)

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Acquisition details

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Description

It was likely about magnitude +8 when I photographed it last night, April 9th, near Star 42 Camelopardalis. I'm not sure what the faint nebulosity is to the lower left of the comet: either Dark Nebula HSVMT 25, integrated flux nebula (IFN), or it's simply an artifact. I'd welcome any information on this possible nebulosity.

Acquisition details: Fujifilm X-T10, Samyang 135mm f/2.0 ED UMC @ f2.0, ISO 1600, 50 x 30 sec, tracking with iOptron SkyTracker Pro, stacking with DeepSkyStacker (used comet stacking mode so stars and comet were stacked separately and then combined), editing with Astro Pixel Processor and GIMP, taken in the 30 minute-window between astronomic dusk and the rise of the 93% illuminated moon on April 9, 2020 under Bortle 3/4 skies.

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Comet ATLAS C/2019 Y4 (9 April 2020), bbright