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AR2738 Ha and CaK

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Carbon60
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AR2738 Ha and CaK

Post by Carbon60 » Wed Apr 10, 2019 8:45 pm

Quick session after work in CaK and Ha. A flaring AR2738 made for an excellent target :) Despite blue skies the seeing conditions were only average making it a bit tricky to get rock solid images.

First up FDs in CaK (Lunt B600 module/CaK-Line/Omega).

Image20190410_FD_CaK_Mono by Stuart Green, on Flickr

Image20190410_FD_CaK_Colour by Stuart Green, on Flickr

My first CaK sunspot in hi-res.

Image20190410_AR2738_CaK_Mono by Stuart Green, on Flickr

Image20190410_AR2738_CaK_Colour by Stuart Green, on Flickr

and in Ha (DS 150mm/Lunt 35 mod)

Image20190410_AR2738_Ha_Mono by Stuart Green, on Flickr

Image20190410_AR2738_Ha_Colour by Stuart Green, on Flickr

There were some excellent proms on show also.

Image20190410_Prom1 by Stuart Green, on Flickr

Image20190410_Prom3 by Stuart Green, on Flickr

Thanks for looking.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Re: AR2738 Ha and CaK

Post by marktownley » Wed Apr 10, 2019 9:02 pm

That's a really good set Stu! They came out very well. It was clear here today but I wasn't back until after 7 so missed the evening sunshine.
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Re: AR2738 Ha and CaK

Post by bart1805 » Wed Apr 10, 2019 9:02 pm

Nice! And beautiful HR CaK! Did you use LR and UM? I used Christian's advise to use only UM. 1,3 - 8. It works for me.

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Re: AR2738 Ha and CaK

Post by torsinadoc » Wed Apr 10, 2019 10:57 pm

Awesome HR CaK
Aires 150 ERF
Celestron 150/1200 refractor
102 F/11 doublet
ZWO 174M 290 M
Lunt CaK 1800
Quantum PE .38
Avalon M Uno

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Re: AR2738 Ha and CaK

Post by Astrophil » Thu Apr 11, 2019 1:06 am

Great images Stu. The CaK images show a wealth of interesting info (I know little about that wavelength), I like them! A rather strange looking prom nicely presented and the Ha images show good detail with no sharpening artifacts unlike some posted.
Thanks for showing them,

Phil

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MapleRidge
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Re: AR2738 Ha and CaK

Post by MapleRidge » Thu Apr 11, 2019 10:31 pm

Nice sharp set of images Stu...well done :bow

Brian
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Carbon60
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Re: AR2738 Ha and CaK

Post by Carbon60 » Fri Apr 12, 2019 5:38 am

bart1805 wrote:
Wed Apr 10, 2019 9:02 pm
Nice! And beautiful HR CaK! Did you use LR and UM? I used Christian's advise to use only UM. 1,3 - 8. It works for me.
Hi Bart, yes, I found the same. Minimal LR deconvolution, relying more on sharpening in the case of CaK.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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Carbon60
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Re: AR2738 Ha and CaK

Post by Carbon60 » Fri Apr 12, 2019 5:40 am

Many thanks, everyone. Comments are always really appreciated.

Stu.
Lunt LS60THa B1200 PTFT
150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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