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Comet C/2021 A1 Leonard

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2 years 7 months ago - 2 years 7 months ago #110794 by Fermidox
Comet C/2021 A1 Leonard was created by Fermidox
The comet is just about detectable in this fixed-tripod 18mm shot (25 seconds) at 2.32UT this morning in Canes Venatici (circled). I'd estimate magnitude 7.6. Globular cluster M3 is arrowed and the comet will pass by extremely closely tonight; 5 arcminutes. Doesn't look like we'll see it here though. There's a chance Comet Leonard will become naked-eye visible in mid-December, but there's also talk that its brightening has stalled and may even be a candidate for disintegration. Current Earth distance is 45 million miles and perihelion is on January 3rd. My 39th comet.



Clear skies,
Finbarr.
Last edit: 2 years 7 months ago by Fermidox.
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2 years 7 months ago #110795 by flt158
Replied by flt158 on topic Comet C/2021 A1 Leonard
Super shot, Finbarr!
Thank you. 
Is Alpha Canum (Cor Caroli) in your image?
I'm sure it is. 

Very best regards from Aubrey. 
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2 years 7 months ago #110796 by Fermidox
Replied by Fermidox on topic Comet C/2021 A1 Leonard
It's actually not Aubrey; Cor Caroli is in the original shot of course, but that's a cropped version and no stars more than 9 degrees north of the comet are visible. Cor Caroli was 12 degrees to the north last night.

Clear skies,
Finbarr.
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2 years 7 months ago #110797 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Comet C/2021 A1 Leonard
Hi Finbarr, 

Congratulations on capturing this comet. I always like how you place an object in the foreground to add some perspective to the image. Also, thanks for the notification about it passing close to M3 tonight.

Clear skies, 

Darren. 
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2 years 7 months ago #110798 by Fermidox
Replied by Fermidox on topic Comet C/2021 A1 Leonard
Thanks Darren. There is a chance to catch the conjunction with M3 on Gianluca Masi's page, if we're clouded out here -

www.virtualtelescope.eu/2021/12/01/comet...ervation-3-dec-2021/

Clear skies,
Finbarr.
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2 years 7 months ago #110800 by Until_then-Goodnight!
Replied by Until_then-Goodnight! on topic Comet C/2021 A1 Leonard
Hi Finbarr,

Very many thanks for sharing that link - it's brilliant!

I missed the live stream - a little too late for me : (.

Still planning to to view the comet over the coming weeks.

Clear skies,

Darren.
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