Blank! Nothing to See Here... 21st may

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marktownley
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Blank! Nothing to See Here... 21st may

Post by marktownley » Tue May 21, 2019 1:11 pm

A pleasantly sunny start to the day so I darted out with the travelling kit - 50mm Lunt etalon on the 60mm f6 scope, 2x cemax, FLIR GH3 ICX916M

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

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

Even quiet in CaK! a couple of bright points in higher northern latitudes - maybe indication of the solar jet stream in cycle 25?

Imagecak-fd-bw by Mark Townley, on Flickr

Imagecak-fd-colour by Mark Townley, on Flickr

Above taken with the 40mm f10, 2x cemax, homebrew CaK filter and the same camera. Wish there was more to see!

Mark
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Re: Blank! Nothing to See Here... 21st may

Post by MAURITS » Tue May 21, 2019 1:47 pm

Indeed Mark nothing to see but your pictures are very nice detailed, sharp and beautiful colored.
Regards,
Maurits

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Re: Blank! Nothing to See Here... 21st may

Post by Montana » Tue May 21, 2019 2:19 pm

Super images Mark, I think the CaK is definitely more interesting, I hope those bright regions are mumours in the deep :)

:bow

Alexandra

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Re: Blank! Nothing to See Here... 21st may

Post by marktownley » Tue May 21, 2019 3:15 pm

Thanks Maurits, thanks Alexandra. It's exactly bright points like these we need to keep an eye on. They start off like this, as the solar jetstream for cycle 25 gets closer to the surface they become emerging flux regions, and then once the magnetic field strength gets above 1500 gauss we have spots. I don't think we're quite there yet though!
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Re: Blank! Nothing to See Here... 21st may

Post by ffellah » Tue May 21, 2019 5:53 pm

These disks are great, Mark. Let's hope for some activity to start soon.

Franco

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Re: Blank! Nothing to See Here... 21st may

Post by eroel » Tue May 21, 2019 7:07 pm

Mark:
Great FD´s but calm Sun.
Best wishes,
Eric.

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Re: Blank! Nothing to See Here... 21st may

Post by David_The_Bears_Fan » Tue May 21, 2019 7:17 pm

Good set Mark.
David

Kit: Skywatcher Evostar 120 on Celestron CG-4 / Coronado PST / Lunt B1200 Ca-K Module / Lacerta Herschel Wedge/ Canon 1100D & 77D / ZWO ASI178MM & 120MC-S / QHY5-II Mono

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Re: Blank! Nothing to See Here... 21st may

Post by marktownley » Wed May 22, 2019 5:42 am

Thanks everyone!
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Re: Blank! Nothing to See Here... 21st may

Post by krakatoa1883 » Wed May 22, 2019 10:33 am

Superb CaK images, Mark, at full res they are really impressive
Raf
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