AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

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Valery
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AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by Valery »

Hi all,

August 24 early morning I imaged the sun in H-a, Ca-K and at 390nm UV filter.
Seeing was average.

280mm F/10 standard Celestron equipped with the ARIES 295mm DERF, H-a etalon (alternative H-a eyepiece),
CaK PST filter, Edmund 390nm bandpass filter. Camera Basler 1920-155.

Thanks for looking and comments.


Valery
Attachments
H-a
H-a
AR12719-2018-08-24-UT06h-02m-C11-ARIES-DERF.jpg (478.17 KiB) Viewed 1095 times
Ca-K
Ca-K
AR12719-2018-08-24-UT06h-26m-C11-ARIES-DERF.jpg (493.34 KiB) Viewed 1095 times
390nm
390nm
AR12719-2018-08-24-UT07h-08m-C11-ARIES-DERF.jpg (484.91 KiB) Viewed 1095 times
Last edited by Valery on Sun Sep 02, 2018 3:36 am, edited 1 time in total.


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Re: AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by Montana »

Luxury eye candy Valery :bow :bow :bow

Alexandra


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Re: AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by LTHB »

Wonderful images! It is fun and very interesting to see the same region in different wavelengths and to compare structures to see what is visible in which wavelength and how these features correlate. Thanks for showing!

Frank


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Re: AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by Carbon60 »

Superb images, Valery. Raising the bar, again!

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
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Re: AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by Valery »

LTHB wrote: Fri Aug 31, 2018 6:44 pm Wonderful images! It is fun and very interesting to see the same region in different wavelengths and to compare structures to see what is visible in which wavelength and how these features correlate. Thanks for showing!

Frank
Thanks, Frank

Too bad the seeing can be good enough only during short periods of time and only before the sun rises over 35 degree above the horizon.
Last edited by Valery on Fri Sep 07, 2018 3:03 pm, edited 1 time in total.


"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.

Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
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Re: AR12719 High Res at 390nm, CaK and H-a in a 280mm scope.

Post by marktownley »

Lovely shots Valery! Send some of that average seeing over here please!


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