May 5th, 2021 Eruptive prominence

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May 5th, 2021 Eruptive prominence

Post by oreoluna »

Hello everyone.
Eruptive prominence at the NE margin, rotated 90 °. On closer inspection I suspect that it was even a plasma loop!
Image

Image

Active region SE 16.32h CEST rotated 90 °.
Image

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CS,
Jozef
Last edited by oreoluna on Thu May 06, 2021 11:20 am, edited 4 times in total.


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Re: May 5th, 2021 Eruptive prominence

Post by ffellah »

Great close ups, Jozef.

Franco


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Re: May 5th, 2021 Eruptive prominence

Post by Stardust5858 »

Lovely captures Josef, thanks for sharing.


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Re: May 5th, 2021 Eruptive prominence

Post by oreoluna »

Hello Franco, Stardust.
Thanks for your kind feedback.
Jozef


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Re: May 5th, 2021 Eruptive prominence

Post by MapleRidge »

Great solar image Jozef, and nice to see your scope as well :bow

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Re: May 5th, 2021 Eruptive prominence

Post by DeepSolar64 »

I noticed this prom on the GONG image that I was using for reference today but when I looked in the place the GONG ( Big Bear Ca ) showed the prom all I saw there visually was a much smaller dimmer prom. It had already came and went by the time the image was updated. I was just a little too late to see it visually.

Thanks for an excellent view of it Jozef. And that is a really nice homebuilt solar refractor. I dream of an instrument 6" or over for solar work AND the seeing to utilize it!

And an eruptive prominence often signals an active area's presence!

James


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Re: May 5th, 2021 Eruptive prominence

Post by marktownley »

Super shots Josef, nice to see a picture of the setup too, looks an ideal place to do solar from.


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Re: May 5th, 2021 Eruptive prominence

Post by oreoluna »

Hello everyone.
Thank you for your kind feedback.

@James.
The weather yesterday was a catastrophe, stormy westerly winds and thick clouds. I had to solve a problem with the cam transmission to the PC, so the weather was fine. I also changed the telescope on the occasion to see what my old self-made 8-inch model can reproduce with the SolarSpectrum. It wasn't after 4 p.m. that there was a gap every now and then and I immediately thought of testing the station wagon. If the seeing was very bad, due to the wind and the additional load on the telescope, I was able to take the pictures ..... I'm excited to see what will come about when the conditions are better.
I caught the "loop" by chance in a gap in the cloud. The spicules are just smeared pulp, and show how the seeing was!
CS,
Jozef


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Re: May 5th, 2021 Eruptive prominence

Post by MAURITS »

Great close-ups Jozef and beautiful equipment.
Jozef, how can you know (measure) de diameter of the Earth in function of the sunspot or active region?


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Re: May 5th, 2021 Eruptive prominence

Post by oreoluna »

MAURITS wrote: Thu May 06, 2021 7:16 am Great close-ups Jozef and beautiful equipment.
Jozef, how can you know (measure) de diameter of the Earth in function of the sunspot or active region?
Hello Maurits.
Thanks for the feedback.
I do not measure, but I know that my magnification factor for the sun is such that the earth in the picture must be 40x40 pixels. And the easiest way is: Spicule height 7-8`000Km Earth 12714Km diameter. So you can + - balance the earth well on the spicules. On the chromosphere it is the rosettes, which have an average diameter of 12-15,000 km. That is then also simply the earth + - to be compared there.
CS Jozef


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Re: May 5th, 2021 Eruptive prominence

Post by oreoluna »

DeepSolar64 wrote: Thu May 06, 2021 4:32 am And an eruptive prominence often signals an active area's presence!
Hello James.
Yes, that is always or often the case. Today I looked at the area on the Northeast edge in the GONG Monitor,

Image

and I think there is definitely an active region coming. ;)

Jozef


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Re: May 5th, 2021 Eruptive prominence

Post by Valtori »

Very beautiful shots and setup!!

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Re: May 5th, 2021 Eruptive prominence

Post by Rusted »

Great images and a fascinating instrument. :bow
The scale of the surface features is impressive!
Plus, a short, but pleasant walk to the observatory. :D


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Re: May 5th, 2021 Eruptive prominence

Post by DeepSolar64 »

That's an excellent set-up Jozef!


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Re: May 5th, 2021 Eruptive prominence

Post by Montana »

Wow!! these are phenomenal, amazing if you say the seeing was bad :bow :bow

Sadly Solarspectrum no longer make your model :(

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Re: May 5th, 2021 Eruptive prominence

Post by marktownley »

Montana wrote: Thu May 06, 2021 5:14 pm Sadly Solarspectrum no longer make your model :(
What do they make?


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Re: May 5th, 2021 Eruptive prominence

Post by oreoluna »

Montana wrote: Thu May 06, 2021 5:14 pm Sadly Solarspectrum no longer make your model :(
Oh dear, did I buy the last one? :P
CS Jozef


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Re: May 5th, 2021 Eruptive prominence

Post by Montana »

None at all at the moment as far as I can gather Mark :(

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Re: May 5th, 2021 Eruptive prominence

Post by EGRAY_OBSERVATORY »

Interesting and excellent images and set-up Jozef

Thanks for sharing
Terry


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Re: May 5th, 2021 Eruptive prominence

Post by eroel »

Jozef, super images and super setup.
Still remember when you started building the solar refractor.
Best regards.
Eric.


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