Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

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MalVeauX
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Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by MalVeauX » Mon Aug 06, 2018 4:56 pm

Heya,

Wonderful clear skies this morning, but dreadful, truly dreadful seeing. I couldn't manage anything at large scale so I just stuck to smaller scales today. Very few prominences worth noting, a single grouping that is fairly big and interesting on the limb. The two active regions are still present and are easy to spot in several wavelengths, so white light has something to look at which is nice. No sunspots. Looking forward to cycle 25 as it may be slowly on its way which is exciting based on an active region that showed up the other day and decayed quickly in a region we typically don't see activity in during this cycle's minimum. Grabbed data in 656.28nm with a Quark and a masked ST80 operating at 60mm F6.67 and a focal-reduced (0.5x) 152mm F8 refractor (to drop scale, couldn't image at large scale). Grabbed data in 393nm with the ST80 for a quick full disc and the larger scale with the 152mm F8 refractor with a Skybender. The HA full disc is a mosaic made with the ST80 and Quark.

Image

Mosaic Disc:

Image

Active Regions:

Image

Image

393nm:

Image

Image

Image

Very best,

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Re: Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by marktownley » Mon Aug 06, 2018 7:17 pm

Looking good Marty!
Image
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Carbon60
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Re: Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by Carbon60 » Tue Aug 07, 2018 5:50 am

A nice crop of images in difficult conditions, Marty.

Stu.
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Re: Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by Montana » Tue Aug 07, 2018 9:09 am

Still an amazing set with plenty of good detail despite the conditions :bow
Alexandra

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ffellah
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Re: Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by ffellah » Tue Aug 07, 2018 11:34 am

All great, Marty, but I particularly like the CaK results

Franco

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Re: Active Regions & Prominence | 656.28nm & 393nm | Aug 6th 2018

Post by p_zetner » Tue Aug 07, 2018 1:59 pm

Nice shots, Marty.
Cheers, Peter.

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