Quiescent Prominence Bubbles and Dark Plumes

[DeepSolar64]

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.

[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.

[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!

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

[oriolestation]

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

Is this with your double stack system?

[rigel123]

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

[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....

[DeepSolar64]

These are really quite nice views of it though.

[Montana]

That would have made a great animation

Alexandra

[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.

[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!

Cheers,
Ed

[DeepSolar64]

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

[oriolestation]

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

[oriolestation]

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.

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

Bravo! Bravo!

[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.

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.

[oriolestation]

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

[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.

[DeepSolar64]

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

[Montana]

Terrific capture

Alexandra

[oriolestation]

An amazing perfect bubble void.

[Montana]

Superb!!

Alexandra

[rigel123]

An amazing perfect bubble void.

That is awesome!

[oriolestation]

Partial collapse of bubble void in large quiescent prominence on the south pole limb.

[DeepSolar64]

Amazing work Jim! You show the works of these prominences very well.

James

[Montana]

Superb

Alexandra