The Sun - 14th Feb

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David_The_Bears_Fan
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The Sun - 14th Feb

Post by David_The_Bears_Fan » Thu Feb 14, 2019 5:27 pm

Some good clear skies here this afternoon so had to make the most of that.
20190214_Ca-K_6PaneFD.png
20190214_Ca-K_6PaneFD.png (3.59 MiB) Viewed 799 times
20190214_Ca-K_6PaneFD_ColourInvert.png
20190214_Ca-K_6PaneFD_ColourInvert.png (3.46 MiB) Viewed 799 times
Very fain prom in Ca-K, noisy due to ridiculous stretch to get it to show.
20190214_Ca-K_Prom.png
20190214_Ca-K_Prom.png (2.55 MiB) Viewed 799 times
And then some tri-light images of the active areas.
20190214_Plage_Trilight1.jpg
20190214_Plage_Trilight1.jpg (1.86 MiB) Viewed 799 times
20190214_Plage_Trilight2.jpg
20190214_Plage_Trilight2.jpg (1.82 MiB) Viewed 799 times


David

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xn44
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Re: The Sun - 14th Feb

Post by xn44 » Thu Feb 14, 2019 5:32 pm

good work!!!



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eroel
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Re: The Sun - 14th Feb

Post by eroel » Thu Feb 14, 2019 6:05 pm

David:
Nice session.
Regards,
Eric.



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Re: The Sun - 14th Feb

Post by rsfoto » Thu Feb 14, 2019 11:19 pm

Hi David,

Great images

Rainer


regards Rainer

Observatorio Real de 14 San Luis Potosi Mexico

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Re: The Sun - 14th Feb

Post by marktownley » Fri Feb 15, 2019 7:32 am

That's a nice collection of images David!


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http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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Re: The Sun - 14th Feb

Post by David_The_Bears_Fan » Fri Feb 15, 2019 8:56 am

Thanks Pepe, Eric, Rainer & Mark. The sun is shining again this morning, fingers crossed it stays that way until I have a chance to get out there!


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Re: The Sun - 14th Feb

Post by Montana » Fri Feb 15, 2019 10:59 am

That's a great collection David :hamster:

When you take your white light images can you focus on the poles? the BAA are asking all solar imagers to submit their images if they find polar faculae which should be quite prominent this year (solar minimum). Just a little challenge for you as you are such a good WL imager :)

Alexandra



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Re: The Sun - 14th Feb

Post by ffellah » Fri Feb 15, 2019 11:22 am

Love this series of images, David. It looks like you really perfected imaging CaK proms.

Franco :band



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Re: The Sun - 14th Feb

Post by David_The_Bears_Fan » Fri Feb 15, 2019 2:12 pm

Thanks Alexandra, Franco :bow2

How far north / south do faculae have to be to count as "Polar"? I wonder if the group in my image from yesterday qualify as they did seem to be at higher latitude than normal (bottom right of this image)
20190214_Ca-K_6PaneFD.jpg
20190214_Ca-K_6PaneFD.jpg (703.04 KiB) Viewed 768 times
20190214_WL_Faculae2.jpg
20190214_WL_Faculae2.jpg (818.29 KiB) Viewed 768 times


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Re: The Sun - 14th Feb

Post by Montana » Fri Feb 15, 2019 2:21 pm

I think they have to be above 70 degrees or so, they seem to be literally at the poles. I think Feb/March good for the south pole and September the north pole.

Alexandra



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Re: The Sun - 14th Feb

Post by David_The_Bears_Fan » Fri Feb 15, 2019 2:45 pm

Ok, thanks will try to capture poles (regardless of what I see visually) each time I image.


David

Kit: Skywatcher Evostar 120 on Celestron CG-4 / Bresser AR102xs / Lunt B1200 Ca-K Module / Lacerta Herschel Wedge / Daystar Combo Quark / ZWO ASI178MM & 120MC-S / QHY5-II Mono

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