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dark spot on one of jupiters bands ?....

smt1988

By smt1988
in Observing - Planetary

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MjrTom

MjrTom

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It's called a 'barge'.

Sorry should have mentioned it could be a barge which are a dark patch within the equatorial belts.

If it was perfectly round it's likely the moon shadow if elongated then probably a barge. :D

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smt1988

smt1988

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That would be the shadow of jupiters moon Io which was due to transit the disc this evening :D

i seen one of jupiters moons very close to the right hand side of the planet was that the moon due to transit the disc then ?

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lukebl

lukebl

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I suspect it was one of the dark spots. I have just been imaging it, and there was a particularly prominent dark spot in the centre of the disk at about 10 O'clock this evening. The Io shadow left the edge of the disk at around 9.

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John

John

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Yes, there is a dark "barge" in Jupiter's Northern Equatorial Belt tonight. Sometimes I've seen 2 or 3 of them visible on the disk at once. Over an hour you can see movement as these features rotate around the disk. Thats the nice thing about Jupiter - always something interesting to see.

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smt1988

smt1988

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Yes, there is a dark "barge" in Jupiter's Northern Equatorial Belt tonight. Sometimes I've seen 2 or 3 of them visible on the disk at once. Over an hour you can see movement as these features rotate around the disk. Thats the nice thing about Jupiter - always something interesting to see.

i noticed it had moved position from when i first i saw it so it must have been that dark barge thing then

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John

John

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I have had my best view ever of Jupiter tonight. First time I have been able to see the great red spot.

Congratulations Rik :D

Jupiter is showing excellently here tonight - the GRS is approaching the central meridian now. There is some interesting structure of darker material on the northern side of the GRS, and I can see a clear pale rift in the SEB just north of the GRS as well.

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John

John

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These are the best views I've ever had of Jupiter as far as I recall - the detail visible in the south equatorial belt, around the great red spot is amazing with the contrast holding up at 225x too. I'm using my ED120 refractor tonight.

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jkwhinfrey

jkwhinfrey

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Really nice sketch, wish I'd been able to even see that much detail!

I get lovely clean views at 72x with my Meade 5000 9mm, but Barlow up to 144x and whilst bright the image lacks contrast, and focus is very difficult.

I guess I need that level of magnification to get a look at the Red Spot. Jupiter's still an impressive sight though.

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Stu

Stu

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Sky was very good tonight, shame I only had my little 66mm with me but at least I was able to have a good look. Up to x155 and it was still doing ok, GRS clear plus a barge or two. Wish I'd had the mak with me!

Moon looking pretty spectacular too!

Stu

Sent from my GT-I9000 using Tapatalk

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MjrTom

MjrTom

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A bit like this then(latest)

seeing just gone downhill

Yep thats it, well with a little artistic licence on my part ;)

Seeing has reduced, dew is building up and high cloud has blown in so called it a night. A very good night I may add :D

Hmm note to self, best look at dew heaters :D

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