AR2824 in Calcium K | May 29th 2021

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MalVeauX
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AR2824 in Calcium K | May 29th 2021

Post by MalVeauX »

Heya,

Took a last minute stab at AR2824 as it rounds the limb. Also included the previously named AR2825, it still has a visible pore in the region (can be seen both in Calcium & Continuum) but its faculae are much brighter in Calcium. The monstrous AR2826 is out of sight but its still throwing up surge prominences at the limb. AR2824 is still very active despite not looking like a big spot or plage region, it had a huge explosion yesterday that spanned a huge area and it had some loop prominences after words (post CME loops), unfortunately we couldn't see them so easily due to position near the limb. Crazy activity from this one spot! Presented in Calcium today. I used a 2.13mm air gap between the lenses of my C6R refractor and masked it to 120mm F10 and then used a 1.62x barlow on an ASI290MM 2.9um camera for near critical sampling (F18 would have been critical), so close enough for me as this requires better seeing to really accomplish. My seeing peaked around 0.7~0.8 arc-seconds this morning.

The C6R + Air gap re-spacing from Bob's thread here (LINK).


Image

Image

Image

Image


Seeing Conditions:

Seeing_Conditions_05292021.jpg
Seeing_Conditions_05292021.jpg (106.42 KiB) Viewed 200 times

Equipment:


C6R Refractor with 2.13mm air gap; masked to 120mm F10
2" Baader Blue CCD-IR Block Filter (sub-aperture internal D-ERF)
Lunt B1200 CaK Module
ASI290MM (2.9um pixel) camera
Best 61 frames of 3.2k per image
0.7~0.8 arc-second seeing peaks per SSM
Approximately 0900 Eastern Time from Florida

Solarsetup_05292021.jpg
Solarsetup_05292021.jpg (57.14 KiB) Viewed 200 times

Very best,


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DeepSolar64
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Re: AR2824 in Calcium K | May 29th 2021

Post by DeepSolar64 »

Very nice CaK Marty.


Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces

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Re: AR2824 in Calcium K | May 29th 2021

Post by EGRAY_OBSERVATORY »

Beautiful captures Marty and the coloured versions really do show-up the details so well.

Thanks for sharing
Terry


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Re: AR2824 in Calcium K | May 29th 2021

Post by Stardust5858 »

Lovely Cak captures Marty, thanks for sharing.


10ft x 6ft Solar RoR with Warm Room
Lunt 60mm Double Stack HA
80ed WL+ Lunt Hershal Wedge + Badder K-Line filter.
100mm AR + Lunt b1800 Ca-K module.
Neq6 Eq Mount.

2.7m Pulsar Dome.
11in Celestron SCT + White Light Filter.
70mm AR Stellavue.
12inch OO Newtonian.
Eq8 r Pro Mount.
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Re: AR2824 in Calcium K | May 29th 2021

Post by DeepSolar64 »

Marty,
In time I hope to get me a Celestron 150 or an Astro-Tech AT130EDT. Those would be really nice for high rez work on the solar granulation and would out perform my Celestron 102 during good seeing conditions. The problem is that seeing won't often allow the 102 to be used to it's maximum resolution. Lately I have been a bit lucky though.

My dream scope? A Takahashi TOA150!! But it's big, heavy, expensive and would take a big heavy expensive mount. And an observatory to put it in!

A more practical option would be to get a filter for my old 6"F8 Criterion newtonian. It has good optics and is a good performer.

James


Lunt 8x32 SUNoculars
Orion 70mm Solar Telescope
Celestron AstroMaster Alt/Az Mount
Meade Coronado SolarMax II 60 DS
Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
Astro-Tech AT72EDII with Altair solar wedge
Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
Cameras: ZWO ASI178MM, PGR Grasshopper, PGR Flea
Lunt, Coronado, TeleVue, Orion and Meade eyepieces

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" Way more fun to see it! "
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Re: AR2824 in Calcium K | May 29th 2021

Post by JochenM »

Interesting setup and looks like it performs superbly. Very nice fine detail.

Hopefully we'll get some nice proms as a parting gift when this region goes around the bend.


Jochen Maes
Belgium
https://www.jochenmaes.com
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