Sunday Sunshine 12th May

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marktownley
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Sunday Sunshine 12th May

Post by marktownley » Sun May 12, 2019 7:47 pm

In true fashion this weekend the weather has been glorious, and is often the case was busy with other things. So, didn't get back till sunday lunchtime and with nice blue skies got set up. The seeing wasn't great and I was struggling up at 90mm so I kept below this as time was tight with other things to be busy with this afternoon.

First off a full disk in WL (656nm) with the ED80, Lunt wedge and FLIR GH3 ICX814 camera, nice to see some spots!

Imagewl-fd by Mark Townley, on Flickr

Swapping the wedge for the sodium quark for a closer look at the spots:

Imagena-bw by Mark Townley, on Flickr

Imagena-colour by Mark Townley, on Flickr

Stopping the ED80 down to 60mm and dropping down to 393nm for a look in CaK:

Imagecak-full-disk-bw by Mark Townley, on Flickr

Imagecak-full-disk-colour by Mark Townley, on Flickr

Zooming in for a closer look with the 3x barlow next;

Imagecak-close-bw by Mark Townley, on Flickr

Imagecak-close-colour by Mark Townley, on Flickr

Ha was my favourite today, and a full disk with the SM90 double stacked with my Lunt50 etalon. I love all the little proms around the limb, and is definitely worth double clicking the image to view it full size in Flickr.

Imageha-full-disk-ds-bw by Mark Townley, on Flickr

Imageha-full-disk-ds-colour by Mark Townley, on Flickr

Then double stacking the SM90 with the Quark for the obligatory Ha closeup of the activity.

Imagear12741-ha-ds-bw by Mark Townley, on Flickr

Imagear12741-ha-ds-colour by Mark Townley, on Flickr

Pleased with todays bounty, hopefully be able to image before I go to work in the morning,..

Mark
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p_zetner
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Re: Sunday Sunshine 12th May

Post by p_zetner » Sun May 12, 2019 8:10 pm

Lovely work, Mark!
The closeup of the two ARs is terrific.
Cheers.
Peter

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marktownley
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Re: Sunday Sunshine 12th May

Post by marktownley » Sun May 12, 2019 8:39 pm

Thanks Peter!
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Re: Sunday Sunshine 12th May

Post by bart1805 » Sun May 12, 2019 9:55 pm

Nice session Mark! Beautiful CaK, was the close up version also with 60mm?

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Re: Sunday Sunshine 12th May

Post by JohnW » Mon May 13, 2019 3:17 am

Nice set of pics Mark, well done.

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Re: Sunday Sunshine 12th May

Post by rsfoto » Mon May 13, 2019 3:52 am

Hi Mark,

Great Images. Well done. Especially that white line through the dark spot. Do not know what the name is for that.

Rainer
regards Rainer

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Re: Sunday Sunshine 12th May

Post by Carbon60 » Mon May 13, 2019 5:33 am

An excellent set of images, Mark. You certainly managed to squeeze a lot into your limited time!

Stu.
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Re: Sunday Sunshine 12th May

Post by marktownley » Mon May 13, 2019 6:01 am

Thanks everyone! The 3x CaK was also taken at 60mm Bart (80mm stopped down to 60mm), seeing wasn't great, on a good day I can resolve penumbral fibrils at 60mm aperture, today was just a bit blurry. It's called a light bridge Rainer, forms when the sunspot is diminishing in activity.
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Re: Sunday Sunshine 12th May

Post by ffellah » Mon May 13, 2019 10:20 am

A fabulous set, Mark. Very sharp and detailed group of images.

Franco

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Re: Sunday Sunshine 12th May

Post by Montana » Mon May 13, 2019 11:54 am

Very curious to see a dark line surrounding AR12741 in the sodium image where the bright plage is located in Halpha and CaK. Also some interesting dark areas and patterns in the CaK. There is always more going on in the subtle detail if you look hard enough between wavelengths. Nice work Mark and I am glad you managed a view. I thought the seeing improved towards lunchtime as the jetstream moved away.
:bow
Alexandra

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Christopher
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Re: Sunday Sunshine 12th May

Post by Christopher » Mon May 13, 2019 6:21 pm

Great set Mark. I especially like the white light. Terrific resolution.
Christopher

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Re: Sunday Sunshine 12th May

Post by marktownley » Mon May 13, 2019 7:40 pm

Thanks y'all!
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Re: Sunday Sunshine 12th May

Post by MalVeauX » Mon May 13, 2019 7:47 pm

Great captures Mark!

Very best,

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eroel
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Re: Sunday Sunshine 12th May

Post by eroel » Tue May 14, 2019 12:12 am

Mark:
Very nice clean images.
A very good session.
Regards,
Eric.

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