Quiescent Prominence Bubbles and Dark Plumes

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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by DeepSolar64 »

oriolestation wrote: Sun Mar 12, 2023 4:09 am This is a fantastic movie by Hinode/SOT of a polar crown prominence in Ca H

https://science.nasa.gov/files/atoms/fi ... _short.mov

Woot!
WoW, it looks almost liquid.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

In this brief movie of a quiescent prominence, the bright build up of down flow plasma can be seen on the top of the bubble void. The bubble void was quite stable and did not produce dark rising plumes during the period I was imaging.

Image


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by rigel123 »

Figured I would throw this one in from 3/30/2023 showing a developing bubble in the prom on the left (NW limb has been rotated). I should have recorded longer to see if that bubble popped!

ImageSW-Limb-Proms-Animation-3-30-2023 by Rigel123, on Flickr


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

Nicely shows how the down flow builds up on top of the bubble. Excellent.

Is this with your double stack system?


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by rigel123 »

oriolestation wrote: Sat Apr 01, 2023 5:51 pm Nicely shows how the down flow builds up on top of the bubble. Excellent.

Is this with your double stack system?
Thanks Jim, I thought of you as soon as I saw what I caught! Yes, that is with the Lunt LS60T DS using an ASI174MM and a Meade 3X TeleXtender


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

A complicated bubble void on the north end of the prominence. Wish the seeing had been better (only rare moments of steady air), would have liked to follow the evolution of that bubble....

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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by DeepSolar64 »

These are really quite nice views of it though.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by Montana »

That would have made a great animation :hamster: :hamster: :bow :bow

Alexandra


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by rigel123 »

Just came upon this animation from 7/4/2020 which shows a very large “bubble” near the top of this large prom that quickly disappears.

Image


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by EdAstle »

I've just read this fascinating thread.

Alas the NASA movie Jim linked to on page 2 no longer exists, but the paper Jim cited contains the videos and much analysis.

"Quiescent Prominence Dynamics Observed with the Hinode Solar Optical Telescope. II. Prominence Bubble Boundary Layer Characteristics and the Onset of a Coupled Kelvin–Helmholtz Rayleigh–Taylor Instability"


https://iopscience.iop.org/article/10.3 ... a95b6bib63

Scroll to "2. Prominence Bubble Expansion and Boundary Layer Characteristics".
There you'll find a video from 2007 spanning 16:00 UT to almost 21:00 UT.
Mesmerizing.

In the right hands that double limb is spectacular.
I've been brainwashed into thinking it's a bad thing!

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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by DeepSolar64 »

This is a nice article. I'll certainly read it in its entirety when I get a chance.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

Some recent results on a very small quiescent prominence on the north polar limb.

Image

Image

Image


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

rigel123 wrote: Mon Sep 18, 2023 10:58 am Just came upon this animation from 7/4/2020 which shows a very large “bubble” near the top of this large prom that quickly disappears.

Image
I missed your post earlier. This is fantastic. Do you recall where on the limb this was located?

Bravo! Bravo!


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by rigel123 »

oriolestation wrote: Fri Oct 13, 2023 5:22 pm
rigel123 wrote: Mon Sep 18, 2023 10:58 am Just came upon this animation from 7/4/2020 which shows a very large “bubble” near the top of this large prom that quickly disappears.

Image
I missed your post earlier. This is fantastic. Do you recall where on the limb this was located?

Bravo! Bravo!
That was the SE limb, I believe. As it does not look like I rotated it I’m pretty sure it is presented how I imaged it and I orient my camera for captures based on GONG images.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

Amazing how quickly the bubble void on the northern end of the prom breaks up and down flows. Excellent.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by oriolestation »

A very small quiescent prominence on the polar south east limb. Dark bubble voids at the base of the prominence have been disrupted and partially deflated. A number of dark plumes are visible rising up from the prominence base.

Image

Image

Image


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by DeepSolar64 »

Very nice resolution on such small proms! Solar dynamics in action.


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Re: Quiescent Prominence Bubbles and Dark Plumes

Post by Montana »

Terrific capture :bow :bow :bow

Alexandra


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