AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

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MalVeauX
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AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by MalVeauX »

Heya,

Had another clear morning with fair seeing. Seeing was around 1.2 arc-seconds to 1.5 arc-seconds for most of this, it barely supported the 120mm aperture, but I wanted to get moderate-high resolution captures of the two AR's while they were still around and active before going back to work. There's a rather large prominence off the limb near AR2806 and the opposite limb has a great eruptive surge prominence region that was pretty active all morning that is rounding the Eastern limb. Might be interesting soon.

PST etalon + double stacked 1.7A 8mm blocking filter tilted in a Skybender (thanks Apollo!) and 6A 5mm blocking filter.

B&W:


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Colored:


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Time Lapse Animations:


There's a surge prom on the limb erupting. This is 4.5 minutes of real time it changed so fast.
This animation is now on the front page of SpaceWeather for 3/5, woo!

01_aligned_pipp.gif
01_aligned_pipp.gif (1.35 MiB) Viewed 350 times
01_2aligned_pipp.gif
01_2aligned_pipp.gif (908.62 KiB) Viewed 350 times

Equipment:

120mm F10 masked achromatic doublet refractor
+ Baader Red CCD IR Block Filter (50mm, internal sub-aperture D-ERF)
+ Single PST Etalon
+ 1.7A HA 8mm blocking filter tilted in a Skybender (thanks Apollo!) double stacked with 6A HA 5mm blocking filter
+ IMX290 mono camera

60mm F16.7 masked achromatic doublet refractor
+ Lunt CaK B1200 module
+ IMX253 mono camera

Solarsetup_03052021.jpg
Solarsetup_03052021.jpg (61.81 KiB) Viewed 350 times

Very best,


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by dhkaiser »

Saw your animation on Space Weather website, great catch!


Dan
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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by DeepSolar64 »

Excellent work Marty!! Clouds kept me from Ha but I did see that active area on the NE limb on the SDO images. See my post for today.

Outstanding animations!! 👍🏻

James


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by H-Alpha »

Marty your erupting surge prom on the limb is breath taking!
Fantastic work in both the photo and the gif!!! :bow :bow :bow
The other photos are also excellent.
With 1.2 to 1.5 arc-seconds an 120mm works still so nicely?
Do you have the SSM graph with the violet photo moments at hand to upload?

Congratulations anyway!
Alexandros


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by MalVeauX »

H-Alpha wrote: Fri Mar 05, 2021 8:54 pm With 1.2 to 1.5 arc-seconds an 120mm works still so nicely?
Do you have the SSM graph with the violet photo moments at hand to upload?
1.2 arc seconds supports a 120mm aperture in 656nm (red) wavelengths, so it was able to get near critical sampling.

I actually didn't saves any graphs today, the seeing wasn't superb, but it wasn't violently bad either, my morning seeing generally supports 100~120mm aperture every morning. I originally had planned to test some more filter configurations and play with a full disc configuration but when I saw the surge prom and how 2806 had progressed, I put the big scope on there and just captured frames and went for "lucky imaging."

Very best,


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by MAURITS »

Excellent Marty 👍


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by arnedanielsen »

Stunning work, Marty! The animations are particularly cool!

Best regards,
Arne


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by ffellah »

Killer large prom, excellent animations, all a pleasure to see, Marty.

Franco


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by JochenM »

Nice catch with that surge prom, Marty.


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by DeepSolar64 »

Marty,
The NE active region shows up in CaK well too! I am also impressed how well the limb spicule layer shows up as well.

James


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by marktownley »

A really great selection of images Marty! Glad the weather is obliging for you! Congrats on spaceweather too!


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Re: AR2806, AR2807, Prominences | HA, CaK | March 5th 2021

Post by Montana »

Absolutely incredible imaging Marty, hats off to you :bow :hamster: that eruptive surge prominence animation is top work

Alexandra


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