Hi-res WL animation of AR 3315
- GreatAttractor
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Hi-res WL animation of AR 3315
The seeing yesterday was not too great for 180 mm aperture, but I recorded >200 videos and got some good stacks, and even a usable animation. Taken with Intes M715 with Blackfly S (IMX 273) camera, Baader ND 3.8 solar film + Solar Continuum (10 nm) filter, stacked in AS!3 and processed with ImPPG.
I had L-R deconvolution disabled (it doesn't work that well on granulation), instead used 2 layers of unsharp mask (one for sharpening, another for slight denoising).
Animation: 80-second intervals (20 s when recording, but decimated 4:1 & blended together for the final animation), 1:12 h total:
I didn't use my SSM last year due to malfunction (which I didn't want to spend time on). It turned out to be just Arduino loose in its socket - I gave it a push and we're back up and running this season
Here are the readings for the above animation's duration (the thicker line is the running 30-second average):
and for the still image shown in the beginning:
One might ask: "how did you manage to get sub-arcsecond details if the seeing was mostly much worse?". But remember: an SSM gives a seeing value averaged over the whole solar disc and a certain time period (here: 1 s). There might still be moments when fragments of the FOV are undistorted for a small fraction of a second, and when taking 3k-frame videos at 3 ms exposure as I did here, this gives the stacker enough material to work with.
Bonus track: M1.0 flare in the same active region (90 mm refractor + Lunt 50 etalon, 30-second intervals, 40 min. total):
I had L-R deconvolution disabled (it doesn't work that well on granulation), instead used 2 layers of unsharp mask (one for sharpening, another for slight denoising).
Animation: 80-second intervals (20 s when recording, but decimated 4:1 & blended together for the final animation), 1:12 h total:
I didn't use my SSM last year due to malfunction (which I didn't want to spend time on). It turned out to be just Arduino loose in its socket - I gave it a push and we're back up and running this season
Here are the readings for the above animation's duration (the thicker line is the running 30-second average):
and for the still image shown in the beginning:
One might ask: "how did you manage to get sub-arcsecond details if the seeing was mostly much worse?". But remember: an SSM gives a seeing value averaged over the whole solar disc and a certain time period (here: 1 s). There might still be moments when fragments of the FOV are undistorted for a small fraction of a second, and when taking 3k-frame videos at 3 ms exposure as I did here, this gives the stacker enough material to work with.
Bonus track: M1.0 flare in the same active region (90 mm refractor + Lunt 50 etalon, 30-second intervals, 40 min. total):
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Re: Hi-res WL animation of AR 3315
This is an amazing session. Both animations are absolutely perfect.
Thanks for sharing it here.
Thanks for sharing it here.
I do not look at the sky with the eyes of an astronomer, but of a person looking for the beauty of nature.
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Re: Hi-res WL animation of AR 3315
Great stuff, love the animations.
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Re: Hi-res WL animation of AR 3315
WoW, and WOW, again! Very nice work Filip. The sun looks alive in that first animation. The spots show a lot of movement. The edges of the penumbra are mesmerizing! And the granules can even be seen to boil in the lower spot's light bridge!!
Nice M1.0 flare too. It's like an immense bolt of lightning which isn't far from the truth.
Two thumbs up!!
James
Nice M1.0 flare too. It's like an immense bolt of lightning which isn't far from the truth.
Two thumbs up!!
James
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Re: Hi-res WL animation of AR 3315
Brilliant. Thanks
Robert
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Re: Hi-res WL animation of AR 3315
These are stunners Filip!
http://brierleyhillsolar.blogspot.co.uk/
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Re: Hi-res WL animation of AR 3315
These are amazing animations Filip!.
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Re: Hi-res WL animation of AR 3315
Fantastic Filip, amazing to watch the movement in the penumbra.
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Re: Hi-res WL animation of AR 3315
Oh wow Filip, superb. BravO on the SPOD
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Re: Hi-res WL animation of AR 3315
Fantastic animation !
I was wondering if you could slow it down a little bit, so that we can follow more easyly the motions of granules ?
If you can, try a version showing the motion of the umbral dots (= within the umbra of the spots). Just increase the brightness of the images.
I was wondering if you could slow it down a little bit, so that we can follow more easyly the motions of granules ?
If you can, try a version showing the motion of the umbral dots (= within the umbra of the spots). Just increase the brightness of the images.
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Re: Hi-res WL animation of AR 3315
Look at those granules boiling. I am speechless !!!
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Re: Hi-res WL animation of AR 3315
It's wonderful, isn't it!?
Congrats on the SPOD, Filip!!
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Re: Hi-res WL animation of AR 3315
Outstanding
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Re: Hi-res WL animation of AR 3315
Thank you, everyone.
I'm attaching a raw stack of the first image, if anyone wants to give it a try - feel free to post your results:
My ImPPG settings (requires ImPPG 1.9.1-beta):
One of good frames:
Granulation away from the spots:
I'm attaching a raw stack of the first image, if anyone wants to give it a try - feel free to post your results:
My ImPPG settings (requires ImPPG 1.9.1-beta):
Sure, here you go - but I'm afraid I'll need better seeing to show them clearly:christian viladrich wrote: ↑Tue May 30, 2023 11:45 am I was wondering if you could slow it down a little bit, so that we can follow more easyly the motions of granules ?
If you can, try a version showing the motion of the umbral dots (= within the umbra of the spots).
One of good frames:
Granulation away from the spots:
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Re: Hi-res WL animation of AR 3315
So great. Filip.
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Re: Hi-res WL animation of AR 3315
The umbral dots can still be seen to move in the first image. I still have yet to pick up umbral dots visually. That's a goal of mine. I'll need really good seeing and my C102 to have a chance at it.
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Re: Hi-res WL animation of AR 3315
Fantastic set of images and animations, Filip. Congratulations on the magnificent SPOD.
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Re: Hi-res WL animation of AR 3315
Superb!
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