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Comet C/2023 A3 Still Visible to Naked Eye

Posted on 10/15/24 at 9:09 am
Posted by blueridgeTiger
Granbury, TX
Member since Jun 2004
21699 posts
Posted on 10/15/24 at 9:09 am
Just after dusk this comet is visible low on the western horizon north of Venus. I was able to observe it with 7x35 binoculars. My wife (no pics!) has somewhat better eyesight than me was able to see it with her unaided eye.

From Wikipedia:

quote:

The comet passed perihelion at a distance of 0.39 AU (58 million km; 36 million mi) on 27 September 2024,[1][3] when it became visible to the naked eye.[5][6] Tsuchinshan-Atlas peaked its brightest magnitude shortly after passing the Sun at 9 October, with a magnitude of -4.9 per reported observations at the Comet Observation Database (COBS).[5]


I made this image yesterday evening from my backyard with my iPhone (didn't have the energy to set up any of my astrophotography gear):



The "anti-tail" on this comet was discussed below. Here is today's Astronomy Picture of the Day showing the comet, its tail, and the anti-tail:



Here is the caption from APOD:

Comet Tsuchinshan-ATLAS over California
Credit & Copyright: Brian Fulda
Explanation: The tails of Comet Tsuchinshan-ATLAS were a sight to behold. Pictured, C/2023 A3 (Tsuchinshan–ATLAS) was captured near peak impressiveness last week over the Eastern Sierra Mountains in California, USA. The comet not only showed a bright tail, but a distinct anti-tail pointing in nearly the opposite direction. The globular star cluster M5 can be seen on the right, far in the distance. As it approached, it was unclear if this crumbling iceberg would disintegrate completely as it warmed in the bright sunlight. In reality, the comet survived to become brighter than any star in the night (magnitude -4.9), but unfortunately was then so nearly in front of the Sun that it was hard for many casual observers to locate. Whether Comet Tsuchinshan-Atlas becomes known as the Great Comet of 2024 now depends, in part, on how impressive incoming comet C/2024 S1 (ATLAS) becomes over the next two weeks.
This post was edited on 10/21/24 at 2:25 pm
Posted by BondJamesBond
Too Far from Tiger Stadium
Member since Oct 2011
406 posts
Posted on 10/15/24 at 10:57 am to
Good photograph. I'll be looking for that comet tonight.
Posted by blueridgeTiger
Granbury, TX
Member since Jun 2004
21699 posts
Posted on 10/15/24 at 11:15 am to
Here's a chart showing its location over the next few days:

Posted by RogerTheShrubber
Juneau, AK
Member since Jan 2009
281843 posts
Posted on 10/15/24 at 11:35 am to
Blew my mind when I found out comets have two tails and one can point opposite the other.

Posted by PowerTool
The dark side of the road
Member since Dec 2009
22338 posts
Posted on 10/15/24 at 11:37 am to
Has anyone here actually seen this?

I've read about it and meant to look, but I ain't seen shite so far. I think last Saturday was supposed to be the brightest, according to something I read somewhere.
Posted by blueridgeTiger
Granbury, TX
Member since Jun 2004
21699 posts
Posted on 10/15/24 at 12:14 pm to
quote:

Has anyone here actually seen this?


Yea. In the OP I mentioned my wife saw it with her unaided eye and that saw it through 7x35 binos.
Posted by Macfly
BR & DS
Member since Jan 2016
9477 posts
Posted on 10/15/24 at 12:17 pm to
Cool! What time were you out viewing?
Posted by Art Vandelay
LOUISIANA
Member since Sep 2005
11154 posts
Posted on 10/15/24 at 12:36 pm to
I looked the last couple nights and couldn’t see shite
Posted by OU812ME2
Earth
Member since Jun 2021
1161 posts
Posted on 10/15/24 at 1:08 pm to
Is that a stolen trailer on the side of that house?!?
Posted by blueridgeTiger
Granbury, TX
Member since Jun 2004
21699 posts
Posted on 10/15/24 at 2:23 pm to
quote:

Cool! What time were you out viewing?


Between 7:45 and 8:00 pm.
Posted by NEALCD
Member since Feb 2019
239 posts
Posted on 10/15/24 at 3:11 pm to


This was last night looked directly west.
Time was 7:00 PM central. I had heard about it and was looking before that time but didn’t start seeing it till around 7.
Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
33847 posts
Posted on 10/15/24 at 3:30 pm to
I assume most people know this but a comet's tail does not always follow behind it's direction of travel.

This post was edited on 10/15/24 at 3:32 pm
Posted by WestSideTiger
Baton Rouge
Member since Jan 2004
4361 posts
Posted on 10/15/24 at 3:41 pm to
WBRZ - A comet will be visible in capital area skies, won't be seen again for 80,000 years
quote:

• Oct. 15 - Sunset: 6:32 p.m. | Comet Set: 8:50 p.m.
• Oct. 16 - Sunset: 6:31 p.m. | Comet Set: 9:06 p.m.
• Oct. 17 - Sunset: 6:30 p.m. | Comet Set: 9:20 p.m.
• Oct. 18 - Sunset: 6:29 p.m. | Comet Set: 9:32 p.m.
• Oct. 19 - Sunset: 6:28 p.m. | Comet Set: 9:43 p.m.
• Oct. 20 - Sunset: 6:27 p.m. | Comet Set: 9:53 p.m.
• Oct. 21 - Sunset: 6:26 p.m. | Comet Set: 10:01 p.m.
• Oct. 22 - Sunset: 6:25 p.m. | Comet Set: 10:08 p.m.
Posted by PowerTool
The dark side of the road
Member since Dec 2009
22338 posts
Posted on 10/15/24 at 6:07 pm to
Thanks. No telescope, but I’ve got binoculars and a monocular here at the cabin. I’ll drive out to a clearing tonight if the sky remains clear.
Posted by Macfly
BR & DS
Member since Jan 2016
9477 posts
Posted on 10/15/24 at 6:10 pm to
quote:

Between 7:45 and 8:00 pm.

Thanks all
Posted by LegendInMyMind
Member since Apr 2019
65904 posts
Posted on 10/15/24 at 6:10 pm to
Gonna be too cloudy for me tonight.
Posted by LPLGTiger
Member since May 2013
2184 posts
Posted on 10/15/24 at 7:01 pm to
How long is it visible in the sky with the naked eye?
Posted by Yammie250F
Member since Jul 2010
979 posts
Posted on 10/15/24 at 7:02 pm to
Do you know what the comet would be called on skymap?

It's a pretty cool app you can move around and see the planets, stars etc. I'm not seeing anything related to the comet.
Posted by deaconjones35
Thibodaux
Member since Sep 2009
9862 posts
Posted on 10/15/24 at 7:04 pm to
My arse is getting tore up by skeeters, I tell you that much.
Posted by JimTiger72
Member since Jun 2023
11371 posts
Posted on 10/15/24 at 7:05 pm to
quote:

won't be seen again for 80,000 years


Why not just say never to be seen again
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