My first Hα animation with D = 200 mm (and a flare)
- GreatAttractor
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My first Hα animation with D = 200 mm (and a flare)
On Sunday the seeing was finally good enough to utilize my RC8 + LS50THa + Aries tri-band ERF setup.
One of the best videos yielded this image of AR 2822 (check out this thread if you'd like to play with the raw stack):
I continued recording for some time, even though the seeing was variable and a high thin cloud was passing. I saw a few bright points appear, but had no way of knowing it would be a nice C4.0-class flare, until I put together an animation:
Beside the "igniting grass", note how there's a brightening in the billowing "smoke", right before a thin stream gets sucked back in to the smaller sunspot.
I'm really satisfied; even despite the so-so seeing this tiny thing looks very interesting. Can't wait for an M-class like the one I caught with 90 mm – it would fill the whole FOV with twisting and churning plasma!
I also recorded a CaK animation (Lunt CaK module, 90 mm refractor, PowerMate 2.5x), much better seeing than during the previous attempt, with consistently good resulting frames, but nothing happened there at all:
Mandatory full disc from Lunt 50:
and proms from the 90 mm mod:
One of the best videos yielded this image of AR 2822 (check out this thread if you'd like to play with the raw stack):
I continued recording for some time, even though the seeing was variable and a high thin cloud was passing. I saw a few bright points appear, but had no way of knowing it would be a nice C4.0-class flare, until I put together an animation:
Beside the "igniting grass", note how there's a brightening in the billowing "smoke", right before a thin stream gets sucked back in to the smaller sunspot.
I'm really satisfied; even despite the so-so seeing this tiny thing looks very interesting. Can't wait for an M-class like the one I caught with 90 mm – it would fill the whole FOV with twisting and churning plasma!
I also recorded a CaK animation (Lunt CaK module, 90 mm refractor, PowerMate 2.5x), much better seeing than during the previous attempt, with consistently good resulting frames, but nothing happened there at all:
Mandatory full disc from Lunt 50:
and proms from the 90 mm mod:
Last edited by GreatAttractor on Fri May 14, 2021 4:25 pm, edited 1 time in total.
- Stardust5858
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Re: My first Hα animation with D = 200 mm (and a flare)
Amazing, lovely animation of the flare. Thanks for sharing.
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Re: My first Hα animation with D = 200 mm (and a flare)
You captured some amazing dynamics from this activity region.
Beautiful to watch.
Cheers.
Peter
Beautiful to watch.
Cheers.
Peter
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Re: My first Hα animation with D = 200 mm (and a flare)
Amazing!
Minh.
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Loves from Viet Nam <3
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Re: My first Hα animation with D = 200 mm (and a flare)
Absolutely Fabulous animation and well interesting too. Also the stills are really great.
Thanks for sharing
Terry
Thanks for sharing
Terry
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Re: My first Hα animation with D = 200 mm (and a flare)
I caught this flare visually Sunday using my SMII60. I did not get a view like this though. That's an awesome animation at a considerable magnification.
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Re: My first Hα animation with D = 200 mm (and a flare)
Superb animation. Amazing dynamics beautifully captured.
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Re: My first Hα animation with D = 200 mm (and a flare)
Fantastic video, great luck.
Is this your new mod?
Ivan
Is this your new mod?
Ivan
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Re: My first Hα animation with D = 200 mm (and a flare)
Thanks, everyone. Too bad seeing was deteriorating and clouds started rolling in – NOAA says 50 minutes later there was another flare in this AR, also C-class, but over twice as powerful.
Yes, described here.
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Re: My first Hα animation with D = 200 mm (and a flare)
Oh my goodness!! this is simply stunning
What an animation
Alexandra
What an animation
Alexandra
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Re: My first Hα animation with D = 200 mm (and a flare)
This is great !!
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Re: My first Hα animation with D = 200 mm (and a flare)
A fantastic set, great attractor. The animation is magnificent.
Franco
Franco
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Re: My first Hα animation with D = 200 mm (and a flare)
I'm trying to understand the technical details - the animation is taken directly from your capture, right? There is no stacking done for each frame in the animation? Did you drop any frames when making the animation, or are those literally all captured frames?GreatAttractor wrote: ↑Wed May 12, 2021 8:05 pm I continued recording for some time, even though the seeing was variable and a high thin cloud was passing. I saw a few bright points appear, but had no way of knowing it would be a nice C4.0-class flare, until I put together an animation:
What was the frame rate, and what was the total duration of the capture?
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Re: My first Hα animation with D = 200 mm (and a flare)
Hi Florin,
I took 15-second videos with 5-second breaks. Each video was then stacked and post-processed (sharpening and tone mapping), giving one frame of the animation. For smooth movement, the animation frames were aligned with ImPPG. In summary, here I used 20-second animation intervals (15+5), 43 minutes from animation start to finish. The frame rate of raw videos was 40 fps, at zero gain, 2 ms shutter.
I took 15-second videos with 5-second breaks. Each video was then stacked and post-processed (sharpening and tone mapping), giving one frame of the animation. For smooth movement, the animation frames were aligned with ImPPG. In summary, here I used 20-second animation intervals (15+5), 43 minutes from animation start to finish. The frame rate of raw videos was 40 fps, at zero gain, 2 ms shutter.
Last edited by GreatAttractor on Thu May 13, 2021 9:37 pm, edited 1 time in total.
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Re: My first Hα animation with D = 200 mm (and a flare)
How did you understand that something would happen there?
- GreatAttractor
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Re: My first Hα animation with D = 200 mm (and a flare)
Before an imaging session I check the news & warnings on Space Weather, also the recent few hours animation on GONG to see which AR has the tendency to flare. If I shoot from a location with good Internet access, I can also occasionally check GONG in real time (to see if e.g. I should slew to some spectacular prominence on the other side of the disc).
The animation above is just a fragment of ca. 90 minutes overall capture (I didn't publish the whole material due to large file size).
Anyway, I imagine it's like fishing; you set up all your complicated gear and just wait; then nature cooperates or not - in terms of you catching something
The animation above is just a fragment of ca. 90 minutes overall capture (I didn't publish the whole material due to large file size).
Anyway, I imagine it's like fishing; you set up all your complicated gear and just wait; then nature cooperates or not - in terms of you catching something
Re: My first Hα animation with D = 200 mm (and a flare)
Definitely an excellent catch. That is one amazing animation. Congratulations.
Phil
Phil
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Re: My first Hα animation with D = 200 mm (and a flare)
Thanks for your answer, I learned a lot. Your shots and animations are examples of what to strive for.GreatAttractor wrote: ↑Thu May 13, 2021 9:42 pm Before an imaging session I check the news & warnings on Space Weather, also the recent few hours animation on GONG to see which AR has the tendency to flare. If I shoot from a location with good Internet access, I can also occasionally check GONG in real time (to see if e.g. I should slew to some spectacular prominence on the other side of the disc).
The animation above is just a fragment of ca. 90 minutes overall capture (I didn't publish the whole material due to large file size).
Anyway, I imagine it's like fishing; you set up all your complicated gear and just wait; then nature cooperates or not - in terms of you catching something
Ivan
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Re: My first Hα animation with D = 200 mm (and a flare)
Way cool!
http://brierleyhillsolar.blogspot.co.uk/
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