The Sun with AR2804 & 2805

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Thefatkitty Canada
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The Sun with AR2804 & 2805

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Post by Thefatkitty »


Hi all, hope you're good :D

The weather here has gone from way below freezing to 3C (~38F) today, with warmer temperatures expected through next week. Today started off cloudy and cold through the morning, then warmed up in the afternoon and the haze really settled in.

However, at just after 4PM, a sudden cold front came through and the sky started to clear, sort of... I knew that AR2804 had expanded quite a bit in the last 24 hours, and AR2805 was starting to form; though it would be hard to see.

I went and got my Baader solar filter from downstairs, put it on my C80-HD that was at the back door with my Canon 550D (T2i) already in it, and out I went.
By this time it was 4:15 and the Sun was about 15 degrees above the horizon. Worse still, I took the shots with the Sun shining through the "fork" in my backyard tree. The only spot with level ground; still too much snow and ice here.

This is the best out of way too many shots at different ISO's and exposures. It turned out ISO 100 and 1/200th sec exp was the best; I should have went even higher on the exposure. ISO 200 and 1/800th sec exp is what I normally shoot the Sun at, but that's in prime conditions with ol' Sol right overhead. You live, you learn.

And here is all of that. 10 of the best(!) images stacked, processed with PIPP, AS3, and ImPPG:

100_200_ImPPG.jpg


AR2804 is very evident, but as for AR2805 it's hard to see. This is a crop from the full sized processed image, I hope you can see it:

2804_2805.jpg


Well, that's all I've got. Probably one of the worst images I've ever gotten on the Solar part of it all. It was a bear to process as well, but I'm happy I finally got to see the Sun in quite some time.

I actually checked, and the last time I had a clear day for the Sun was Dec 2nd, 2020. Ahhh, memories... From left to right, AR's 2790, 2786 & 85:

Sun_02-12-2020.jpg


Good sunny times. Of course, now it's cloudy, though I might get a break tomorrow night. I can hope...!!


Thanks for reading and all the best,
Mark

"The Hankmeister" Celestron 8SE, orange tube Vixen made C80, CG4 & AZ-EQ5 mounts.
Too much Towa glass/mirrors.

H/A - PST stage 2 mod with a Baader 90mm ERF on a Celestron XLT 102 (thanks Mike!)
Ca-K - W/O 61mm, Antares 1.6 barlow, Baader 3.8 OD and Ca-K filters with a ZWO ASI174mm.
W/L - C80-HD with Baader 5.0 & 3.8 Solar film, Solar Continuum 7.5nm and UV/IR filters with a Canon EOS 550D.

Oh yeah, and Solar Cycle 25 :D
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messier 111 Canada
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Re: The Sun with AR2804 & 2805

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Post by messier 111 »


nice and sharp ,thx .
I LOVE REFRACTORS , :Astronomer1: :sprefac:

REFRACTOR , TS-Optics Doublet SD-APO 125 mm f/7.8 . Lunt 80mm MT Ha Doublet Refractor .

EYEPIECES, Delos , Delite and 26mm Nagler t5 , 2 zoom Svbony 7-21 , Orion Premium Linear BinoViewer .

FILTER , Nebustar 2 tele vue . Apm solar wedge . contrast booster 2 inches .

Mounts , berno mack 3 with telepod , cg-4 motorized , eq6 pro belt drive .

“Your assumptions are your windows on the world. Scrub them off every once in a while, or the light won't come in.”
― Isaac Asimov

Jean-Yves :flags-canada:
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Re: The Sun with AR2804 & 2805

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Post by AstroBee »


Very nice, sharp images. I can't wait for Sol to get really interesting in white-light again!
Greg M.~ "Ad Astra per Aspera"
Scopes: Celestron EdgeHD14", Explore Scientific ED152CF & ED127 APO's, StellarVue SV70T, Classic Orange-Tube C-8, Lunt 80mm Ha double-stack solar scope.
Mounts: Astro-Physics Mach One, iOptron CEM70EC Mount, iOptron ZEQ25 Mount.
Cameras: ZWO ASI2600mm Pro, ZWO 2600MC Pro, ZWO ASI1600mm
Filters: 36mm Chroma LRGB & 3nm Ha, OIII, SII, L-Pro, L-eXtreme
Eyepieces: 27mm TeleVue Panoptic, 4mm TeleVue Radian, Explore Scientific 82° 30mm, 6.7mm , Baader 13mm Hyperion, Explore Scientific 70° 10mm, 15mm, 20mm, Meade 8.8mm UWA
Software: N.I.N.A., SharpCapPro, PixInsight, PhotoShop CC, Phd2, Stellarium
https://www.nevadadesertskies.com
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