A week ago... 3 AR in a row
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A week ago... 3 AR in a row
Hi
the Sun became quiet last few days and only this weekend I have time to process images on March 25 and 27 after a very busy week.
I made a mosaic of the last 3 AR's: 12812, 12811 12810 caught on 27/03, small proms and filaments, all with 130mm+Quark, FD with the Lunt CaK, downed to 100mm.
regards
Leo
the Sun became quiet last few days and only this weekend I have time to process images on March 25 and 27 after a very busy week.
I made a mosaic of the last 3 AR's: 12812, 12811 12810 caught on 27/03, small proms and filaments, all with 130mm+Quark, FD with the Lunt CaK, downed to 100mm.
regards
Leo
- Attachments
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- mosaic 3 AR 27/03
- Sun_20210327 134850_4f_AId_cOPs.jpg (2.73 MiB) Viewed 461 times
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- SE limb 27/03
- Sun_20210327 141041_cOPs.jpg (1.65 MiB) Viewed 461 times
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- FD CaK 27/03
- Sun_20210327 132101_AIwPs2 c.jpg (1.32 MiB) Viewed 461 times
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Re: A week ago... 3 AR in a row
add on
Development of AR12812 and AR12811 from 25/03 to 27/03
Development of AR12812 and AR12811 from 25/03 to 27/03
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- 25/03
- Sun_20210325 164540_AIdPs2.jpg (929.2 KiB) Viewed 449 times
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- 27/03
- Sun_20210327 140937_AIdPs4.jpg (879.34 KiB) Viewed 449 times
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Re: A week ago... 3 AR in a row
This is quite good. Well done !!
Christian Viladrich
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Re: A week ago... 3 AR in a row
very nice Leo! Good stuff!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Re: A week ago... 3 AR in a row
Christian, I really appreciate your comment!
Mark, Simon, thanks you like it!
Leo
Mark, Simon, thanks you like it!
Leo
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Re: A week ago... 3 AR in a row
Very impressive images, Leo ! Detail is amazing...the seeing must have been very good.
Franco
Franco
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Re: A week ago... 3 AR in a row
Thank you all so much for looking!
Franco, although meteoblue gave 1.6" at 2pm, but I didn't beleive, my SSM only sometimes showed less than 2" between clouds.
Maybe there is another trusty source for a seeing forecast.
My setup 130f7+Quark+174mm is about critical sampling, thus very sensitive to the seeing. I tried to take maximum from the given conditions and was a bit lucky. But definitely wasn't a day for Ca, turbulence killed all closeups.
Leo
Franco, although meteoblue gave 1.6" at 2pm, but I didn't beleive, my SSM only sometimes showed less than 2" between clouds.
Maybe there is another trusty source for a seeing forecast.
My setup 130f7+Quark+174mm is about critical sampling, thus very sensitive to the seeing. I tried to take maximum from the given conditions and was a bit lucky. But definitely wasn't a day for Ca, turbulence killed all closeups.
Leo
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- seeing 27/03
- PSX_20210405_221957.jpg (101.6 KiB) Viewed 373 times
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Re: A week ago... 3 AR in a row
Lovely captures, doesn't matter if it's from a week ago. Better late than never as they say. Thanks for sharing.
10ft x 6ft Solar RoR with Warm Room
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.
2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
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Re: A week ago... 3 AR in a row
Thank you, Leo for the seeing explanation. The more I look at the first Ha and the last two, the more I think they are pretty stunning. You also have excellent processing there, as the fine details really stand out. I would like to know more about your 130mm scope and the Quark you used. Is it a regular Quark chromosphere ? It looks very narrow.
Franco
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Re: A week ago... 3 AR in a row
Very fine images, Leo. Beautifully done.
Stu.
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Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: A week ago... 3 AR in a row
Thanks for kind words!
My scope is TS-Optics PHOTOLINE 130 mm f/7 FPL53 Triplet APO with quite good 2.5" R&P focuser from teleskop-express.de. They didn't provided me with the lens diagram so I don't know how it's corrected at 393nm. Sure it's not similar to TOA, but I beleive an triplet objective should be acceptable for Ca. The Quark Chromo version I simply ordered from Daystar. Yes, it looks narrow, but with significant non-uniformities fortunately at sides of FOV. I pretty much got rid of it by camera rotation.
sorry if this is too brief, your're welcome to go in details
regards
Leo
Hi Franco, I don't think I'm original in processing: AS3 stacking, AstraImage deconvolution, PS with Nik plugins for final adjustments. I don't like to combine 2 exposures of proms and chromosphere, trying to work out a single frame. To find the best stack from imaging session with more difficult prom+limb+chromosphere scenes I apply Photomatix presets to sharpened AS3 stacks. You can see better where is less stacking artifacts, more crisp proms, spicules on the limb and optimal dynamisc range to select for further processing, with or without HDR and tone mapping.ffellah wrote: ↑Tue Apr 06, 2021 12:36 am Thank you, Leo for the seeing explanation. The more I look at the first Ha and the last two, the more I think they are pretty stunning. You also have excellent processing there, as the fine details really stand out. I would like to know more about your 130mm scope and the Quark you used. Is it a regular Quark chromosphere ? It looks very narrow.
Franco
My scope is TS-Optics PHOTOLINE 130 mm f/7 FPL53 Triplet APO with quite good 2.5" R&P focuser from teleskop-express.de. They didn't provided me with the lens diagram so I don't know how it's corrected at 393nm. Sure it's not similar to TOA, but I beleive an triplet objective should be acceptable for Ca. The Quark Chromo version I simply ordered from Daystar. Yes, it looks narrow, but with significant non-uniformities fortunately at sides of FOV. I pretty much got rid of it by camera rotation.
sorry if this is too brief, your're welcome to go in details
regards
Leo
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Re: A week ago... 3 AR in a row
Great detail, especially in that first image!
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2x, 3x, and 4x telecentrics
0.6x and 0.4x telecompressors