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A very long awaited GREAT solar spot AR12738! 150mm refractor.

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Valery
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A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by Valery » Sun Apr 07, 2019 1:31 pm

Hi all,

FINALLY !!!

We see a new great sun spot at the western limb! Again, as usual, a great sun spot was born on the opposite side of the sun.
Pity that we didn't see how it was born and grew to the present size.
However we should be happy to see it anyway.

I took several photos in a poor conditions under dence cirruces. Seeing sometime was OK.

Telescope was Sky Watcher 150mm F/5 + 2x PowerMate + Standard Quark Chromosphere this gives F/43 at the etalon + 0,5x reducer + Basler 1920-155 camera. Telescope was equipped with a full size ARIES DERF filter.

Here two photos of AR12738 and one of the AR12737.

Thanks for looking.

Valery
Attachments
AR12738-Apr7-2019-UT07h-40m-150mm-Quark--3clc-Basler1920-155.jpg
AR12738-Apr7-2019-UT07h-40m-150mm-Quark--3clc-Basler1920-155.jpg (241.05 KiB) Viewed 554 times
AR12738-Apr7-2019-UT07h-25m-150mm-Quark--2clc-Basler1920-155.jpg
AR12738-Apr7-2019-UT07h-25m-150mm-Quark--2clc-Basler1920-155.jpg (230.21 KiB) Viewed 554 times
AR12737-Apr7-2019-UT07h-38m-150mm-Quark--3clc-Basler1920-155.jpg
AR12737-Apr7-2019-UT07h-38m-150mm-Quark--3clc-Basler1920-155.jpg (242.48 KiB) Viewed 554 times
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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by marktownley » Sun Apr 07, 2019 2:55 pm

Great shots Valery! I saw it coming round on SDO and GONG this morning, but doesn't look like skies will clear here today to get a chance of imaging.
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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by MalVeauX » Sun Apr 07, 2019 4:36 pm

Very cool, I hope it persists the next two days!

Very best,

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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by MAURITS » Sun Apr 07, 2019 5:32 pm

TOP images Valery.
Regards,
Maurits

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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by Valery » Sun Apr 07, 2019 7:07 pm

MalVeauX wrote:
Sun Apr 07, 2019 4:36 pm
Very cool, I hope it persists the next two days!

Very best,
I'm sure you meant twenty-two or at least twelve days! Such large sun spots live longer than two days, usually at least twelve days.


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: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by krakatoa1883 » Sun Apr 07, 2019 7:19 pm

It could be AR12736 that returns, its latitude corresponds.
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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by Valery » Mon Apr 08, 2019 12:46 am

krakatoa1883 wrote:
Sun Apr 07, 2019 7:19 pm
It could be AR12736 that returns, its latitude corresponds.
And what with their longidudes? It will be nice if it will live two or thee more rotations!


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: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by banjo » Mon Apr 08, 2019 5:48 am

Superb Valéry,bravo!!!!!
:bow :bow :bow :bow :bow :bow :bow :bow
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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by christian viladrich » Mon Apr 08, 2019 6:49 pm

Well done Valery. Some activity at last !
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Re: A very long awaited GREAT solar spot AR12738! 150mm refractor.

Post by MapleRidge » Thu Apr 11, 2019 10:42 pm

Excellent set of images Valery :bow

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