the levitation of prominences

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notFritzArgelander
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the levitation of prominences

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Post by notFritzArgelander »

Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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Lowjiber
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Re: the levitation of prominences

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Post by Lowjiber »

Pretty cool nFA.

Solarheads call that a lift-off. While it almost always is present, we can't always capture them because we are trying to shoot a "ball"... If the prom is not directly on the limb in our "flat" view, the "lift" is not really visible in our two-dimension view of the ball.

(I hope that made sense. LOL)

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notFritzArgelander
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Re: the levitation of prominences

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Post by notFritzArgelander »

Lowjiber wrote: Thu Oct 14, 2021 12:25 pm Pretty cool nFA.

Solarheads call that a lift-off. While it almost always is present, we can't always capture them because we are trying to shoot a "ball"... If the prom is not directly on the limb in our "flat" view, the "lift" is not really visible in our two-dimension view of the ball.

(I hope that made sense. LOL)

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Perfectly good sense to me.
I hope that the cause of the fast oscillations during the lift was clear. The magnetic fields act directly on the charged particles. The charges then drag the neutral particles along through collisions. It's analogous to the squeak of chalk on a blackboard. (I date myself. ;) ) Lots of higher frequency stick-start.
Scopes: Refs: Orion ST80, SV 80EDA f7, TS 102ED f11 Newts: Z12 f5; Cats: VMC110L, Intes MK66,VMC200L f9.75 EPs: KK Fujiyama Orthoscopics, 2x Vixen NPLs (40-6mm) and BCOs, Baader Mark IV zooms, TV Panoptics, Delos, Plossl 32-8mm. Mixed brand Masuyama/Astroplans Binoculars: Nikon Aculon 10x50, Celestron 15x70, Baader Maxbright. Mounts: Star Seeker III, Vixen Porta II, Celestron CG5, Orion Sirius EQG
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Tillibobs
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Re: the levitation of prominences

#4

Post by Tillibobs »

We used to have some members who knew how to do time lapses of proms and stitch them together, haven't seen any lately though.
keith.
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