Major Prominence, Surface Features in HA, WL & CA | 120mm

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MalVeauX
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Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by MalVeauX » Tue Apr 03, 2018 9:19 pm

Hey all,

Weather was much more aggreable this morning and so I was able to get into some better seeing. The big prominence group is still present on the limb, and still quite interesting. The sunspot is gone, but it's surrounding plage area and filament near it is still present and can be seen in HA & CA, but not really in WL. With better seeing I was able to image convection cells at 4200mm in white light, which I'm always interested in (there's always something to image no matter what!). With the extra time, I took a look at it in 393nm and looked at the faculae & plage where the sunspot used to be for comparison (not real CA though, closer to Iron, using a Skybender and some 393nm filters that are pretty broad, but still provides more to see than straight white light does). Did a full disc in 393nm just to see it (scale was bad though with my pixel size).

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Baader Solar Continuum Filter (540nm)
Skybender with two 393nm filters stacked (393nm)
ASI174MM

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Very best,

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by eroel » Tue Apr 03, 2018 11:59 pm

Martin:
Beautiful set of images specially the Ha, and very nice setup.
Best regards,
Eric.

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by ffellah » Wed Apr 04, 2018 12:00 am

Great stuff again, Marty. Excellent prominence detail, very nice Ha close-up and granulation.

Franco :band

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by MapleRidge » Wed Apr 04, 2018 1:42 am

Superb set of images Martin :bow

The high res of the AR and the proms turned out very well.

Brian
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Valery
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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by Valery » Wed Apr 04, 2018 2:54 am

Very nice H-a images, Marty!
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by marktownley » Wed Apr 04, 2018 6:48 am

Excellent shots indeed.
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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by robert » Wed Apr 04, 2018 3:18 pm

Lovely detail especially the prominence, great
Robert
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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by rsfoto » Wed Apr 04, 2018 8:18 pm

Beautiful details in H-alpha
regards Rainer

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by Bruce Girrell » Thu Apr 05, 2018 1:50 am

Gorgeous detail in the Ha
Thanks!

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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by Carbon60 » Thu Apr 05, 2018 5:45 am

Very nice images, indeed. Lovely prom detail.

Stu.
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Re: Major Prominence, Surface Features in HA, WL & CA | 120mm

Post by Montana » Fri Apr 06, 2018 4:17 pm

You are getting absolutely beautiful detail in the Halpha :bow :hamster:
Alexandra

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