It was not so long ago! AR12706 at a high res 280mm

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Valery
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It was not so long ago! AR12706 at a high res 280mm

Post by Valery » Thu Jul 05, 2018 2:14 am

Hi here,

Yes, it was not so long ago. Only 75days back. This is AR12706 - a nice solar spot as seen through a 280mm aperture and a very narrow (about 0,2A) H-a etalon. Seeing was just average that nice April morning.

Thanks for looking.

Valery
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AR12706 Apr 22 2018 UT 07h 40m 280mm ARIES 295mm DERF Q-0,2A.png
AR12706 Apr 22 2018 UT 07h 40m 280mm ARIES 295mm DERF Q-0,2A.png (1.04 MiB) Viewed 166 times
"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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banjo
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Re: It was not so long ago! AR12706 at a high res 280mm

Post by banjo » Thu Jul 05, 2018 9:38 am

what finesse in the details, bravo!
Paul
bresser/messier 150/1200 Mod -D-Erf 160mm intern-glasspath 1.25-etalon Pst barlow X2 ASI174
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Montana
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Re: It was not so long ago! AR12706 at a high res 280mm

Post by Montana » Fri Jul 06, 2018 9:12 am

I do love your deep red, it is just like a visual, I don't know how you get it right :bow
Alexandra

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