Saturday Sunshine - 4th May

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marktownley
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Saturday Sunshine - 4th May

Post by marktownley » Sun May 05, 2019 12:13 pm

Saturday dawned clear, but with a polar airstream I knew the seeing wasn't going to be great despite the great transparency these air masses often bring us. I was looking forward to seeing the return of the active region and started my run with a full disk with the SM90 and FLIR ICX814 camera.

ImageHa-fd-ss-bw by Mark Townley, on Flickr

ImageHa-fd-ss-colour by Mark Townley, on Flickr

I wanted a look with the double stack setup and tried a few options, I think my favourite from the morning was a 4 pane mosaic with the LS50 etalon double stacked with the Quark:

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

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

Heading for a bit of a closeup on our returning active region I double stacked the SM90 with the Quark:

Imageha-close-bw by Mark Townley, on Flickr

Imageha-close-colour by Mark Townley, on Flickr

The great CaK experiment continues, and messing around with tilt of the filters has reduced a bit of the continuum leakage allowing the spicules and proms to be reasonably easily visible. Taken with the ED80 stopped down to 60mm double click to view full size in flickr as is much easier to see the limb features there.

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

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

Then a zoom in with the same scope etc but using a 3x barlow for a closer look at the active region:

Imagecak-close-bw by Mark Townley, on Flickr

Imagecak-close-colour by Mark Townley, on Flickr

Sadly no more time to try different scopes as we were going to a wedding on the saturday afternoon and i'd already exceeded my allowed sun time before having to get ready to travel. Will have a look what else I got, there may be a few more.

Mark


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Re: Saturday Sunshine - 4th March

Post by ffellah » Sun May 05, 2019 12:23 pm

A beautiful set of images, Mark... but March 4th ?

Franco



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Re: Saturday Sunshine - 4th March

Post by marktownley » Sun May 05, 2019 12:24 pm

Ssshhhh! Nobody will notice Franco ;)

I went for a reprocess of the last CaK image using some shadows and highlights to bring out the spicule ring / proms

Imagecak-close.bw-sh by Mark Townley, on Flickr

Imagecak-close.colour-sh by Mark Townley, on Flickr


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Re: Saturday Sunshine - 4th May

Post by MalVeauX » Sun May 05, 2019 2:31 pm

Mark, superb CaK! I would fall over to be able to image the proms & spicules in CaK with the surface.... did you have to stack a lot? Lots of processing or is it really just there with your filter configuration? Thanks!

Very best,



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Re: Saturday Sunshine - 4th May

Post by Montana » Sun May 05, 2019 5:33 pm

WoooWWWW! those CaK are very impressive at full size :bow :bow :hamster: (very envious) what a great set Mark :)

Alexandra



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Re: Saturday Sunshine - 4th May

Post by MAURITS » Sun May 05, 2019 6:34 pm

A really nice set of images Mark.


Regards,
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Re: Saturday Sunshine - 4th May

Post by Carbon60 » Mon May 06, 2019 5:51 am

Very impressive CaK images, Mark. Fabulous fine prom/spicule details with that home brew setup. Impressive Ha as well.

Stu.


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Re: Saturday Sunshine - 4th May

Post by marktownley » Mon May 06, 2019 9:14 am

Thanks everyone. A shot of the bright points that marked the northern boundary of the southern coronal hole that we have at the moment taken with the SM90 double stacked.

Imagecbp-bw by Mark Townley, on Flickr

Imagecbp-colour by Mark Townley, on Flickr


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Re: Saturday Sunshine - 4th May

Post by David_The_Bears_Fan » Mon May 06, 2019 1:38 pm

Impressive stuff


David

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Re: Saturday Sunshine - 4th May

Post by marktownley » Tue May 07, 2019 10:40 am

Thanks everyone for the kind words!


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Re: Saturday Sunshine - 4th May

Post by KingKong852 » Sat May 18, 2019 6:50 am

Cool picture mark



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Re: Saturday Sunshine - 4th May

Post by krakatoa1883 » Sat May 18, 2019 7:55 am

Really magnificent CaK images, Mark, fantastic


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