Swirling prominence and other animations from Sunday

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GreatAttractor
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Swirling prominence and other animations from Sunday

Post by GreatAttractor »

I had a nice, sunny Sunday with good-to-average seeing.

Best frames, showing active regions 2018 and 2020:
3_l.jpg
3_l.jpg (193.27 KiB) Viewed 244 times

Not much was happening in these ARs during this capture (30 s intervals, 1:32 h total):

Image


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

I started in the morning with the big prominence, it was calm enough back then (30 s intervals, 1:00 h total):

Image


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

...but a few hours later (I think it was the same one - it appears this way in the GONG archive) it became a bit more lively (same speed, 1:04 h total):

Image


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

Active regions in white light (30 s intervals, 0:34 h):

Image


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

A bit disappointing, I was counting on more pore movement, like in this animation from a few years back:

Image

And finally — my first CaK animation (30 s intervals, 0:58 h total):

Image


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

Interesting little sparks in the lower sunspot, but according to NOAA there were no flares there at the time.



Everything captured with PGR Chameleon 3 mono (ICX445), processed with Stackistry, AviStack 2, ImPPG & GIMP.

Hα: 90/660 mm refractor + Lunt 50 etalon, Barlow 1.6x.
CaK: 90/660 mm refractor + Lunt CaK B600 module, PowerMate 2.5x.
WL: SW Mak 127, Baader Astrosolar ND 3.8 + Solar Continuum filter.


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by ffellah »

Fabulous work !

Franco :band


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Re: Swirling prominence and other animations from Sunday

Post by Ivan »

Great job!
In the calcium line, everything is very dynamic.
Most of all, I liked the second animation with prominences.


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Re: Swirling prominence and other animations from Sunday

Post by StarHugger »

Excellent work , these are awesome.


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Re: Swirling prominence and other animations from Sunday

Post by Martin_S »

Amazing work, that's a great presentation.

Martin


H - alpha setup
Lunt LS60THa Tilt-Tuned Solar Telescope, LS50FHa solar filter front-mounted Double stack etalon. 2 x Barlow
Remote etalon and focusing control's ASI290mm Camera

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Skywatcher ED72 ,100 f/10 Achromat Homemade solar wedge, IR cut filter, #58 green filter.


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Re: Swirling prominence and other animations from Sunday

Post by MAURITS »

Great job.


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Re: Swirling prominence and other animations from Sunday

Post by marktownley »

Great set!!! You should try stopping the scope down to 60mm for the CaK, will sharpen these up considerably.


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Re: Swirling prominence and other animations from Sunday

Post by Montana »

Wow!! what a delight for the senses, I think the prom animations are my favourite :bow :hamster:

Alexandra


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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

Thank you, everyone.

That second prominence is the most spectacular thing I've caught in Hα so far.


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by p_zetner »

Excellent prom animations, Filip.
Cheers.
Peter


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Re: Swirling prominence and other animations from Sunday

Post by Carbon60 »

Excellent animations, particularly the proms.

Stu.


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Re: Swirling prominence and other animations from Sunday

Post by christian viladrich »

The second prominence animation is awesome. Well done !!


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Re: Swirling prominence and other animations from Sunday

Post by Boso36 »

Lovely work Filip !

I like the large prom animation the best!

I was wondering the following (as I wish to later do some animations as well) -

What were your exposure times for the prom animation and how long/frames did you use for each one ?

How much memory would you use for 1 hours imaging ?
Do you delete the video files after processing,and if not, how long would you keep them or do you just buy more and more storage ?

Many thanks.

Magnus


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Re: Swirling prominence and other animations from Sunday

Post by GreatAttractor »

Thanks!

I have a particulary bright specimen of B600 (from my old Lunt 35; by exposure times, it was ~4x brighter than a B1200 I had borrowed for tests once), so I keep gain = 0. For the Hα surface videos the shutter time was 0.67 ms (histogram filled in about 75-80%) and 7.3 ms for the prominences (sometimes it's more for fainter ones), all at f/11.8. In all animations I was capturing for 15 s with 15 s breaks, giving 30-second animation interval. Some animations used a smaller ROI with higher framerate, so those 15 s amounted to 450-840 frames.

My camera is 1.3 Mpix (30 fps at full frame), so recording continuously would need 130 GiB/h. As mentioned above, the animations used 50% "duty cycle" and smaller ROIs, so in practice it was:

1) active region in Hα, dynamic prominence: 33 GiB/h
2) active region in CaK: 42 GiB/h

In total I recorded 240 GiB. No problem, as I have a 1 TB SSD in the acquisition laptop, of which >500 GiB is free.

After processing I keep only the raw stacks and 1-2 good videos (which are a few hundred MiB in size) of each set for future experiments. Since 2011 a 1 TB drive for all that has been sufficient.


My software:
Stackistry — an open-source cross-platform image stacker
ImPPG — stack post-processing and animation alignment
My images

SW Mak-Cass 127, ATM Hα scope (D=90 mm, LS50 etalon), Lunt LS50THa, ATM SSM, ATM Newt 300/1500 mm, PGR Chameleon 3 mono (ICX445)
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Re: Swirling prominence and other animations from Sunday

Post by eroel »

Filip:
Incredible swirling prom animation.
Beautiful work all of it.
Eric.


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Re: Swirling prominence and other animations from Sunday

Post by Boso36 »

GreatAttractor wrote: Fri Apr 30, 2021 12:36 pm Thanks!

I have a particulary bright specimen of B600 (from my old Lunt 35; by exposure times, it was ~4x brighter than a B1200 I had borrowed for tests once), so I keep gain = 0. For the Hα surface videos the shutter time was 0.67 ms (histogram filled in about 75-80%) and 7.3 ms for the prominences (sometimes it's more for fainter ones), all at f/11.8. In all animations I was capturing for 15 s with 15 s breaks, giving 30-second animation interval. Some animations used a smaller ROI with higher framerate, so those 15 s amounted to 450-840 frames.

My camera is 1.3 Mpix (30 fps at full frame), so recording continuously would need 130 GiB/h. As mentioned above, the animations used 50% "duty cycle" and smaller ROIs, so in practice it was:

1) active region in Hα, dynamic prominence: 33 GiB/h
2) active region in CaK: 42 GiB/h

In total I recorded 240 GiB. No problem, as I have a 1 TB SSD in the acquisition laptop, of which >500 GiB is free.

After processing I keep only the raw stacks and 1-2 good videos (which are a few hundred MiB in size) of each set for future experiments. Since 2011 a 1 TB drive for all that has been sufficient.
Fantastic information Filip.
Your imaging system is so much faster than the Quark. Good to know about your storage requirements are not exceeding 400 GB per day !!!

Magnus


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