C/2023 A3, 16 months to Prepare

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C/2023 A3 (Tsuchinshan-ATLAS) | astro.vanbuitenen.nl

 

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As a comparison the proposed peak magnitude puts this comet somewhere within that of the planets Saturn and Mars.

 

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Now inside the orbit of Jupiter.

 

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A couple of sites are predicting this might now get to mag -1.8 based on recent data, making it almost as bright as Mars at perihelion.

 

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Updated to the latest observation.

C/2023 A3 (Tsuchinshan-ATLAS) | astro.vanbuitenen.nl

 

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Could now be visible end June

C/2023 A3 (Tsuchinshan-ATLAS) | astro.vanbuitenen.nl

 

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Not looking good, it might be early August before it's visible.

 

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Now visible, just

 

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A better chance of 'before sunrise' observation from the 16th onwards (totally overcast here so no chance)

 

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Update. A3 could be seen briefly before 7am if tomorrow morning is clear (mag 1)

Online Star Maps: Comet C/2023 A3 (Tsuchinshan-ATLAS) | TheSkyLive

Find Comet C/2023 A3 (Tsuchinshan-ATLAS) in the sky using our online planetarium web application.

theskylive.com

though there is a longer window from the 13th onwards just after sunset.

Online Star Maps: Comet C/2023 A3 (Tsuchinshan-ATLAS) | TheSkyLive

Find Comet C/2023 A3 (Tsuchinshan-ATLAS) in the sky using our online planetarium web application.

theskylive.com

 

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Predictions of the 14th as the best time to view

Best times and places to see 'comet of the century' from London

Cloud cover means some nights are better than others for spotting the comet in London's skies

www.mylondon.news