AR12741 Inside it's umbra in Ha

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Valery
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AR12741 Inside it's umbra in Ha

Post by Valery » Sat May 18, 2019 7:21 pm

Here is the umbra and bridge of the AR12741 inner structure as seen in H-a.

Telescope used - C11 280mm F/10 SCT equipped with the ARIES 295mm DERF and Quark Chromosphere.
May 11, 2019.

Right click on the image and choose to open the image in a separate window - to see the image in the full resolution.

Thanks for looking.

Valery
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AR12741-2019-05-11-UT06h-54m--C11-ARIES-DERF-Quark-UMBRA.jpg
AR12741-2019-05-11-UT06h-54m--C11-ARIES-DERF-Quark-UMBRA.jpg (415.53 KiB) Viewed 209 times
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.

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Re: AR12741 Inside it's umbra in Ha

Post by xn44 » Sat May 18, 2019 7:43 pm

👏👏👏👏

Bruce G
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Re: AR12741 Inside it's umbra in Ha

Post by Bruce G » Sun May 19, 2019 4:12 am

Wow
Impressive!

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marktownley
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Re: AR12741 Inside it's umbra in Ha

Post by marktownley » Sun May 19, 2019 7:32 am

That's very impressive Valery!
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Re: AR12741 Inside it's umbra in Ha

Post by Montana » Mon May 20, 2019 9:07 am

Beautiful processing Valery, I never like to see the umbra presented as a black hole

:bow
Alexandra

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Valery
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Re: AR12741 Inside it's umbra in Ha

Post by Valery » Mon May 20, 2019 4:42 pm

Montana wrote:
Mon May 20, 2019 9:07 am
Beautiful processing Valery, I never like to see the umbra presented as a black hole

:bow
Alexandra
Thank Alexandra,

Yes, me too. I always inteersted in what an umbra consist in it's guts.


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

Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.

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Re: AR12741 Inside it's umbra in Ha

Post by MAURITS » Mon May 20, 2019 7:48 pm

Excellent Valery, wow images.
Regards,
Maurits

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