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Dark impact mark in Jupiters south polar region

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Yes, believe it or not, it seems that Jupiter has been hit by something and there is a jet black impact mark near its south pole. Here is an image I captured a couple of hours ago - if you have the chance to get out and see this longitude yourself then you should do it!

This sort of thing doesn't happen very often. The last one I remember was the Shoemaker-Levy impacts in 1994.

regards, Bird
13 years 6 months ago #79644
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Hey nice capture Bird, and a surprise, this will go aroung the newswire quickly!

Keith..
13 years 6 months ago #79645

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Hey Bird, you should rteally report this to CBAT (if you have'nt already) they would be very interested ! B)

www.cfa.harvard.edu/iau/HowToReportDiscovery.html

Keith.
13 years 6 months ago #79647

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Replied by carlobeirnes on topic Re:Dark impact mark in Jupiters south polar region

Hi Anthony,

I sent your email on to the planetary expert's in the UK to have a look. It's looking very likely to be an impact Just waiting on other images to come in later tonight for conformation.

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13 years 6 months ago #79650

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Folks,

Anyone available should image this area TONIGHT. Assuming a System II longitude of 200degrees which is close enough, this would mean athe next transit time would be 2:33am BST. So if you're prepared to give it a go you're images could be extremely important. Especially if this is a transient phenomenon and dissapates quickly.
Regards and Clear Skies,

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13 years 6 months ago #79651

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Replied by dave_lillis on topic Re:Dark impact mark in Jupiters south polar region

wow, thats amazing, it sure does remind me of the impacts that comet shoemaker-levy made all those years ago..
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13 years 6 months ago #79653

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Cool.
It sure does look like one of those impact scars from before.

I must have a look at this tonight,
I'll try to get an image also if the weather holds.
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13 years 6 months ago #79654

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

For the rest of the month transit times will be roughly;

(All times are BST)

July 20 02:33; 12:29; 22:25
July 21 08:20; 18:16
July 22 04:11; 14:07;
July 23 00:03; 09:59; 19:55
July 24 05:50; 15:46
July 25 01:42; 11:37; 21:33
July 26 07:27; 17:23
July 27 03:18; 13:14; 23:10
July 28 09:05; 19:01
July 29 04:56; 14:52
July 30 00:48; 09:44; 20:40
July 31 06:35; 16:31

These are close enough until a better SysII longitude is known.
Regards and Clear Skies,

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Last edit: 13 years 6 months ago by DaveGrennan.
13 years 6 months ago #79655

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Dave_Lillis wrote:

wow, thats amazing, it sure does remind me of the impacts that comet shoemaker-levy made all those years ago..


One thing I noticed is Anthony's image has a very sharp edge. Remember the SL9 scars had an arc surrounding them like a black eye. This might suggest an impact from something harder like an asteroid (which punches deeper) rather than a comet. Still speculation of course.
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13 years 6 months ago #79656

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Oh and just a note of caution before we all get too excited;

photojournal.jpl.nasa.gov/catalog/PIA01496

BTW even if it is weather ther's still plenty of reason to get excited!!
Regards and Clear Skies,

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13 years 6 months ago #79657

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Very well spotted! I've been observing Jupiter closely for the past month or so, but only through binoculars. Excellent image :)
13 years 6 months ago #79659

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Just goes to show - we can never have too many images of anything in astronomy - its always of value.

Mark
13 years 6 months ago #79660

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Just an update a better Sys II longitude is known so more precise transit times are possible

July 20 03:01; 12:57; 22:52
July 21 08:48; 18:42
July 22 04:38; 14:34
July 23 00:29; 10:25; 20:20
July 24 06:16; 16:12
July 25 02:07; 12:03; 21:59
July 26 07:55; 17:50
July 27 03:46; 13:42; 23:37
July 28 09:33; 19:27
July 29 05:23; 15:19
July 30 01:14; 11:10; 21:05
July 31 07:01; 16:56
All times are BST
Regards and Clear Skies,

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13 years 6 months ago #79661

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Hi Dave,
thanks for posting the transit times
DaveGrennan wrote:

the next transit time would be 2:33am BST.

this is the beginning of transit I guess?
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13 years 6 months ago #79663

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Thanks guys, Dave thanks for the reminder, at 3am all I could imagine was an impactor, but it could be internal weather of some sort... my money is still on the impactor :-)

I've sent an email to CBAT.

cheers, Anthony
13 years 6 months ago #79664

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Anthony best of luck with CBAT. I'll be keeping everything crossed for you. They can be a little harsh and formal in correspondence so don't be discouraged if they sound downbeat about it, that's just the way they work.
Regards and Clear Skies,

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13 years 6 months ago #79665

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

Barberskum wrote:

Hi Dave,
thanks for posting the transit times
DaveGrennan wrote:

the next transit time would be 2:33am BST.

this is the beginning of transit I guess?


Frank,

that is now out of date:) The transit time for tomorrow morning is 03:01BST, So imaging 1.5 hours either side of that should show it up.
Regards and Clear Skies,

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13 years 6 months ago #79666

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Replied by DaveGrennan on topic Re:Dark impact mark in Jupiters south polar region

bird wrote:

my money is still on the impactor :-)


Mine too. One would expect a weather even to appear over a longer period of time. There is no hint of this spot in very recent images. Whatever caused it happened very dramatically. So fingers crossed!
Regards and Clear Skies,

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13 years 6 months ago #79667

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bird wrote:

at 3am all I could imagine was an impactor

Well 'spotted' Anthony!
It'd want to be some insane weather to cause that
but anything is possible.
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13 years 6 months ago #79669

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Newer images, showing multiple dark spots are here:

jupiter.samba.org

Looks more and more like an impact from a fragmented body, one large impact site and several small sites in a line.

cheers, Bird
Last edit: 13 years 6 months ago by bird. Reason: slashdot effect
13 years 6 months ago #79671

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Wow,
ok,
multiple markings!

(I can't seem to open that newer image Anthony)

I took this shot of the area tonight 2.37am and was
surprised at just how easy it was to see it.
Io is just on the limb here also with it's shadow being cast.



10'' SCT & Philips SPC900 webcam.

Unfortunately I could not load the new key for KCCCD tools
as there is no current update so I could only capture in 15 FPS
which is a pain as the seeing was excellent tonight.

Thanks for the heads up Bird and well done
on discovering it.
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Last edit: 13 years 6 months ago by Frank Ryan.
13 years 6 months ago #79672

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I've been crushed by slashdot. The site has moved to jupiter.samba.org

Thanks Tridge, yer a ledgend mate.

cheers, Anthony
13 years 6 months ago #79673

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This thread has made the front page of the main Reddit and its hit the #1 spot in the Science Reddit:

www.reddit.com/r/science/
13 years 6 months ago #79675

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ps Received confirmation from JPL that this is an impactor, not a local weather event. WooHoo!

Bird
13 years 6 months ago #79676

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Last edit: 13 years 6 months ago by bird.
13 years 6 months ago #79677

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