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Old 01-09-2021, 10:47 PM
Eris (Gerard)
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Sun and Ca K Prominences

Well I finally managed to process some of the images taken today in very average seeing conditions. The first batch is in Ca K. Aside from prominent AR2860 about to leave our view, I noted some large wispy prominences which stood out against the dark background.
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Old 02-09-2021, 12:55 PM
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multiweb (Marc)
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That's really cool. Some serious details.
Love the prom fields. They extend quite a bit.
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Old 02-09-2021, 01:03 PM
Eris (Gerard)
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Thanks Marc. I don't often see large prominence events in Ca K so I was quite surprised to see several around the Sun.
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Old 02-09-2021, 01:07 PM
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multiweb (Marc)
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Quote:
Originally Posted by Eris View Post
Thanks Marc. I don't often see large prominence events in Ca K so I was quite surprised to see several around the Sun.
Yeah I've never seen whispy extented proms like these before. Not unlike a corona. Maybe you had a good bout of seeing. What calcium filter are you using?
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Old 02-09-2021, 01:48 PM
Dennis
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Very nice work.

Cheers

Dennis
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Old 02-09-2021, 04:27 PM
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Merlin66 (Ken)
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Gerard,
Well done mate!
CaK proms are not the easiest of targets, so it's quite an achievement when you have success.
I did notice them on the MiniSHG CaK scan.
Keep them coming!
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Old 02-09-2021, 05:25 PM
Eris (Gerard)
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Quote:
Originally Posted by multiweb View Post
Yeah I've never seen whispy extented proms like these before. Not unlike a corona. Maybe you had a good bout of seeing. What calcium filter are you using?
Marc I'm using a Lunt B600 on a 80mm scope
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Old 03-09-2021, 03:22 PM
Eris (Gerard)
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Originally Posted by Merlin66 View Post
Gerard,
Well done mate!
CaK proms are not the easiest of targets, so it's quite an achievement when you have success.
I did notice them on the MiniSHG CaK scan.
Keep them coming!
Thanks Ken. It's only the second time since I've been observing that I have seen CaK prominences like these. They're great to view when they show up on the screen.
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