Sun in Ha and CaK Jan 20th 2022
- Carbon60
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Sun in Ha and CaK Jan 20th 2022
Another blue sky day here, but yet again poor seeing. Anyhow, here are my FDs in CaK and Ha and a couple of closer views in Ha of a magnetically disturbed region within the southern chromosphere and some post flare loops on the western edge from AR2929, which produced an M5.5 magnitude flare earlier this morning (06:01 UT).
First up are the calcium disks:
20220120_CaK_FD_Mono by Stuart Green, on Flickr
20220120_CaK_FD_colour by Stuart Green, on Flickr
....and the Ha disks (albeit a bit patchy)
20220120_Ha_FD_Mono by Stuart Green, on Flickr
20220120_Ha_FD_colour by Stuart Green, on Flickr
20220120_Ha_FD_Inverted_Mono by Stuart Green, on Flickr
Finally the closer views, including the loops, which are more or less edge on, although they are somewhat faint and not very sharp because of the conditions.
20220120_Ha_AR by Stuart Green, on Flickr
20220120_Ha_Post Flare Loops by Stuart Green, on Flickr
The forecast over the coming days is not good for solar viewing, so that's my lot for a little while.
Thanks for looking.
Stu.
First up are the calcium disks:
20220120_CaK_FD_Mono by Stuart Green, on Flickr
20220120_CaK_FD_colour by Stuart Green, on Flickr
....and the Ha disks (albeit a bit patchy)
20220120_Ha_FD_Mono by Stuart Green, on Flickr
20220120_Ha_FD_colour by Stuart Green, on Flickr
20220120_Ha_FD_Inverted_Mono by Stuart Green, on Flickr
Finally the closer views, including the loops, which are more or less edge on, although they are somewhat faint and not very sharp because of the conditions.
20220120_Ha_AR by Stuart Green, on Flickr
20220120_Ha_Post Flare Loops by Stuart Green, on Flickr
The forecast over the coming days is not good for solar viewing, so that's my lot for a little while.
Thanks for looking.
Stu.
Last edited by Carbon60 on Thu Jan 20, 2022 9:29 pm, edited 1 time in total.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
- Jordan Konisky
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Re: Sun in Ha and CaK Jan 20th 2022
Nice set of images, Stu.
Sky is clear this morning in Wisconsin, but the temp outside is zero degrees F. A good day to read a few chapters in Viladrich et al "Solar Astronomy."
Jordan
Sky is clear this morning in Wisconsin, but the temp outside is zero degrees F. A good day to read a few chapters in Viladrich et al "Solar Astronomy."
Jordan
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Re: Sun in Ha and CaK Jan 20th 2022
Thank you for the beautiful views of the sun, Stu, showing the new AR. Snowing here, a gray day.
Franco
Franco
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Re: Sun in Ha and CaK Jan 20th 2022
Lovely captures Stu, I've just finished a session and similar views to me. There were some lovely proms in Calcium II K too. Screenshot of one of the cak proms I captured today too. Thanks for sharing.
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Re: Sun in Ha and CaK Jan 20th 2022
Hi
Thanks for the images.
My seeing was not good either.
Proms pretty much as you imaged.
Like Rainier your bright area on the SE is burnt out. For me there was a double spot, one small. And then two bright areas with a smaller spot at the bottom.
You show more contrast on the surface than I could see.
Nice to see the dim loops.
Cheers. Andrew.
Thanks for the images.
My seeing was not good either.
Proms pretty much as you imaged.
Like Rainier your bright area on the SE is burnt out. For me there was a double spot, one small. And then two bright areas with a smaller spot at the bottom.
You show more contrast on the surface than I could see.
Nice to see the dim loops.
Cheers. Andrew.
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Re: Sun in Ha and CaK Jan 20th 2022
Those are gorgeous shots Stu! Your seeing was definitely better than mine!
Warren
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- marktownley
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Re: Sun in Ha and CaK Jan 20th 2022
Very nice Stu! Those bands of activity really are getting quite prominent now.
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Re: Sun in Ha and CaK Jan 20th 2022
Almost missed this one Stuart, I'm glad I didn't, what a Halpha full disc!!!! and post flare loops!!!
Alexandra
Alexandra
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Re: Sun in Ha and CaK Jan 20th 2022
Thank you, everyone. After a long period of the Sun being quite blank, it’s so interesting to see the activity level increasing as cycle 25 continues to evolve and it’s such a privilege to be able to image it.
Stu.
Stu.
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More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sun in Ha and CaK Jan 20th 2022
Superb images Stuart, and the loop prom on the western limb is really nice to see...well done
Brian
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Maple Ridge Observatory
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10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
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Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
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Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
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Re: Sun in Ha and CaK Jan 20th 2022
Hi Stuart,
Excellent images
Excellent images
regards Rainer
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Re: Sun in Ha and CaK Jan 20th 2022
Many thanks, Brian, Rainer and Eric.
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Sun in Ha and CaK Jan 20th 2022
Stu!
I don't know how I missed these! Very nice. My eyes again are drawn to your CaK images. Why am I drawn to something I don't have? :-(
You got post flare loops in Ha too!
James
I don't know how I missed these! Very nice. My eyes again are drawn to your CaK images. Why am I drawn to something I don't have? :-(
You got post flare loops in Ha too!
James
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Re: Sun in Ha and CaK Jan 20th 2022
Hi Stuart...
Congrats on having the image of the post flare loops chosen as the SPoD...well deserved
Brian
Congrats on having the image of the post flare loops chosen as the SPoD...well deserved
Brian
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Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
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Maple Ridge Observatory
Cambray, ON Canada
Photos: https://www.flickr.com/photos/185395281@N08/albums
10'x15 Roll-off Roof Observatory
Takahashi EM400 Mount carrying:
C14 + Lunt 80ED
Deep Sky Work - ASI294MM Pro+EFW 7x36/Canon 60D (Ha mod), ONAG
Planetary Work - SBIG CFW10, ASI462MM
2.2m Diameter Dome
iOptron CEM70G Mount carrying:
Orion EON 130ED, f7 OTA for Day & Night Use
Ha Setup: Lunt LS80PT/LS75FHa/B1200Ha + Home Brew Lunt Double Stack/B1800Ha on the Orion OTA + Daystar Quantum
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
ASI1600MM, ASI432MM, ASI294MM Pro, ASI174MM, ASI462MM