AR12824 animated activity-22 May
- H-Alpha
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AR12824 animated activity-22 May
Dear all,
Although the seeing was not good in Vouliagmeni (south Athens suberbs), rarely reaching 1 as minimum and averaging around 2, I could not resist from attempting to animate the active area of AR12824. :-)
Can you please explaine to me what are the black filaments leaving away from the sunspot? Are they cooler (denser as well?) plasma? Are they at an upper level of the chromosphere that we observe? Would we observe them as proms if they were at the edge of the sun disk?
Is there any other more automated way (some special software) than working one by one 38 frames in photoshop to create an animated gif?
I think that I had not re-tuned my lunt etalon, so I lost many surface details. Is it so? Should I retune it at each session?
38 captures of 30 sec each, with a pause of about 10 sec in between due to PC delay... That mean it starts at 19:06:33 and ends at 19:41:04. all this activity lasted 35 minutes! Lunt130MT masked at 102 mm. The darkening in some frames is due to passing clouds.
Despite all, I am quite happy for my first animation!!! :-) :-) :-)
I hope tomorrow the seeing is better and the area remains active. It was amazing to observe it changing while observing it on the screan!!!!
All the best,
Alexandros
Although the seeing was not good in Vouliagmeni (south Athens suberbs), rarely reaching 1 as minimum and averaging around 2, I could not resist from attempting to animate the active area of AR12824. :-)
Can you please explaine to me what are the black filaments leaving away from the sunspot? Are they cooler (denser as well?) plasma? Are they at an upper level of the chromosphere that we observe? Would we observe them as proms if they were at the edge of the sun disk?
Is there any other more automated way (some special software) than working one by one 38 frames in photoshop to create an animated gif?
I think that I had not re-tuned my lunt etalon, so I lost many surface details. Is it so? Should I retune it at each session?
38 captures of 30 sec each, with a pause of about 10 sec in between due to PC delay... That mean it starts at 19:06:33 and ends at 19:41:04. all this activity lasted 35 minutes! Lunt130MT masked at 102 mm. The darkening in some frames is due to passing clouds.
Despite all, I am quite happy for my first animation!!! :-) :-) :-)
I hope tomorrow the seeing is better and the area remains active. It was amazing to observe it changing while observing it on the screan!!!!
All the best,
Alexandros
Last edited by H-Alpha on Sun May 23, 2021 1:28 pm, edited 1 time in total.
- minhlead
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Re: AR12824 animated activity-22 May
great animation Alex, did you use a DIY scintilator? I'd like to see it in action.
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Re: AR12824 animated activity-22 May
Thanks Minh!
I am using the SSM of AiryLab
https://airylab.com/solar-scintillation-monitor/
Frederic is very kind if you wish to contact him.
All the best,
Alexandros
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Re: AR12824 animated activity-22 May
Thanks. Can this be used with Sharpcap/Firecapture or only GenikaAstro? I am intended to build 1 DIY to use with FC. It seems pretty straight forward to build one.H-Alpha wrote: ↑Sun May 23, 2021 4:02 amThanks Minh!
I am using the SSM of AiryLab
https://airylab.com/solar-scintillation-monitor/
Frederic is very kind if you wish to contact him.
All the best,
Alexandros
Minh.
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
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Re: AR12824 animated activity-22 May
Also, if you use PixInsight you can use the Batch linear fit script to normalize the sub frames intensity and de flickering the animation. Works very well for me.H-Alpha wrote: ↑Sun May 23, 2021 4:02 amThanks Minh!
I am using the SSM of AiryLab
https://airylab.com/solar-scintillation-monitor/
Frederic is very kind if you wish to contact him.
All the best,
Alexandros
Minh.
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
- minhlead
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Re: AR12824 animated activity-22 May
For the filament that leaving the spot that looks like black smoke: I think it's just hydrogen plasma that got ejected from flare explosions. This hydrogen plasma go up into the upper atmosphere and since they ar denser than other region in the upper atmosphere, they absorps more of the Ha emmission from down below and make it looks darker than other region. Remember, we are observing in Ha absorption line so the denser Hydrogen plasma is, it'll appear darker in the view. This is what I deduce from my limited experience as a starter in Ha observing, anyone with better understanding please feel free to correct me.H-Alpha wrote: ↑Sun May 23, 2021 3:19 am Dear all,
Although the seeing was not good in Vouliagmeni (south Athens suberbs), rarely reaching 1 as minimum and averaging around 2, I could not resist from attempting to animate the active area of AR12824. :-)
SSM 2021-5-22.png
Can you please explaine to me what are the black filaments leaving away from the sunspot? Are they cooler (denser as well?) plasma? Are they at an upper level of the chromosphere that we observe? Would we observe them as proms if they were at the edge of the sun disk?
Is there any other more automated way (some special software) than working one by one 38 frames in photoshop to create an animated gif?
I think that I had not re-tuned my lunt etalon, so I lost many surface details. Is it so? Should I retune it at each session?
38 captures of 30 sec each, with a pause of about 10 sec in between due to PC delay... That mean it starts at 19:06:33 and ends at 19:41:04. all this activity lasted 35 minutes! Lunt130MT masked at 102 mm.
2021-5-22_19_06_33_38 frames_one per 40 sec.gif
Despite all, I am quite happy for my first animation!!! :-) :-) :-)
I hope tomorrow the seeing is better and the area remains active. It was amazing to observe it changing while observing it on the screan!!!!
All the best,
Alexandros
For the processing. I use PixInsight for alignment/normalization and gifski to animate. They works very well and can batch process everything so I do not have to open/process one by one. If you do not have PixInsight I think PiPP also have an alignment module that works with high contrast features like sun spots. You can try that out.
Minh.
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
Loves from Viet Nam <3
My gear:
Scope: SkyRover (Kunming Optics) 152mm F/6 Doublets
Mount: JTW Tridents GTR
Camera:
PlayerOne Apollo M-Max
Quark Chromosphere Doublestacked with PST etalon
- Ivan
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Re: AR12824 animated activity-22 May
That's a great catch!
If you prefer your current method, I suggest enabling looped playback of the GIF.
ImPPG can batch-process images; it can also align the resulting frames for an animation. I personally create the final GIF in GIMP (File/Open as layers..., do any necessary cropping/rotating/resizing, then preview using Filters/Animation/Playback..., finally File/Export as..., choose GIF, enable "As animation").
If you prefer your current method, I suggest enabling looped playback of the GIF.
Yes, it was far out of tune – but this enabled catching Ellerman bombs and clearly isolated filaments. I personally follow the advice found online, to reduce the pressure when not in use (by unscrewing the cylinder almost all the way), and then tuning at the beginning of each session.
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Re: AR12824 animated activity-22 May
Great first Animation! Like others have said the 'black smoke' is an eruptive filament. The etalon was off band which is why you have this semi white light semi Ha view.
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: AR12824 animated activity-22 May
Thanks a lot Minh, Ivan, Filip, Mark, Maurits.
Filip I looped the gif now. :-)
Thanks to all for your nice comments and precious advice. Let's see if I can use the software you indicated to gain precious time and experience.
Mark and Filip, will try to be tuned today ;-) It seems I was lucky to be off band and record the erruptive filaments/Ellerman bombs! ;-)
Best wishes and clear skies,
Alexandros
Filip I looped the gif now. :-)
Thanks to all for your nice comments and precious advice. Let's see if I can use the software you indicated to gain precious time and experience.
Mark and Filip, will try to be tuned today ;-) It seems I was lucky to be off band and record the erruptive filaments/Ellerman bombs! ;-)
Best wishes and clear skies,
Alexandros
Alexandros
Lunt 130MT+1800BF, C8 Ultima PEC+AstroSolar, Skywatcher Mount EQ6-R Pro
Baader Solar Prism, ZEISS Abbe Barlow 2x, Celestron Barlow 2x Ultima Series
ZWO ASI290MM, ZWO ASI1600MM Pro,
Greece
Lunt 130MT+1800BF, C8 Ultima PEC+AstroSolar, Skywatcher Mount EQ6-R Pro
Baader Solar Prism, ZEISS Abbe Barlow 2x, Celestron Barlow 2x Ultima Series
ZWO ASI290MM, ZWO ASI1600MM Pro,
Greece
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Re: AR12824 animated activity-22 May
Fantastic animation
Being blue shifted means that the black ejection was moving very fast outwards and towards you. The flashing white dots are Ellerman bombs. The only way to see these events is in the wings of hydrogen alpha, so you have have seen two great features off band and in the blue wing
I love it
Alexandra
Being blue shifted means that the black ejection was moving very fast outwards and towards you. The flashing white dots are Ellerman bombs. The only way to see these events is in the wings of hydrogen alpha, so you have have seen two great features off band and in the blue wing
I love it
Alexandra