Solar Today 20171122 Ha

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ThomasHu
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Solar Today 20171122 Ha

Post by ThomasHu » Wed Nov 22, 2017 7:16 am

A surprise sunny morning~~~
But cloudy afternoon~
:cat :cat :cat
08_05_38_lapl2_ap430.jpg
08_05_38_lapl2_ap430.jpg (901.88 KiB) Viewed 459 times
08_13_24_lapl2_ap194.jpg
08_13_24_lapl2_ap194.jpg (679.68 KiB) Viewed 459 times

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ffellah
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Re: Solar Today 20171122 Ha

Post by ffellah » Wed Nov 22, 2017 1:02 pm

Thomas: you caught beautifully that very long and curled filament ! Excellent work...

Franco :bow

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marktownley
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Re: Solar Today 20171122 Ha

Post by marktownley » Wed Nov 22, 2017 7:58 pm

Excellent disk, that is a really nice filament.
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Bruce Girrell
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Re: Solar Today 20171122 Ha

Post by Bruce Girrell » Thu Nov 23, 2017 2:20 am

Nice shot
That's huge!
What explains a contiguous structure like this over such vast distances?
I guess what seems odd is that the scale of features that we normally see on the Sun's surface are much smaller than this and to some degree the scale of the surface features should reflect underlying structure as well. But something this large would seem to indicate a large source. Coalescing of smaller features does not seem a likely explanation. So what creates a feature of this size?

Just thinking out loud here, I guess. I'll have to go study up on how the Sun works

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Montana
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Re: Solar Today 20171122 Ha

Post by Montana » Thu Nov 23, 2017 12:59 pm

Wow!! that is a superb image of the huge filament, great contrast :hamster: :bow

Bruce, there is a nice write up on Spaceweather about it http://www.spaceweather.com/

Alexandra

Bruce Girrell
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Re: Solar Today 20171122 Ha

Post by Bruce Girrell » Thu Nov 23, 2017 1:59 pm

Thanks Alexandra!

FrankPorter
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Re: Solar Today 20171122 Ha

Post by FrankPorter » Thu Nov 23, 2017 2:51 pm

Nice image. I set up my 60mm Lunt DS and saw it too and was amased at the size. This filament has grown dramaticaly since my first light observation on 11-20-17. Seeing conditions were fairly good at first but the limb started boiling after about 45 min. That was about 10:30 CST. I set up on our driveway. Does that cause more heat waves and would it be better to set up on grass? Beautiful images Thomas.
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eroel
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Re: Solar Today 20171122 Ha

Post by eroel » Thu Nov 23, 2017 3:56 pm

Thomas:
Very nice filament shots.
Regards,
Eric.

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Carbon60
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Re: Solar Today 20171122 Ha

Post by Carbon60 » Thu Nov 23, 2017 6:27 pm

Lovely contrasty filament image, Thomas.

Nicely done.

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