AR12894 in Ha on 11th November 2021
- Carbon60
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AR12894 in Ha on 11th November 2021
I wasn't expecting much from this morning, given our weather reports, so I was surprised to see blue sky developing mid morning, offering me an opportunity to capture some rays. Seizing the opportunity, I set up my 150mm Ha scope and fired off a 45 second burst to capture AR12894 in all its glory. That was the start and end of my session. I don't think I've seen a promising blue sky turn grey quite so quickly in my life. Literally within 1 second of the SER file terminating I could see clouds scooting through my field of view and then it was really over, with the Sun now instantly obscured with cloud and the remaining sky too. Quite incredible.
Anyhow, here's the singular image from the session, produced here in mono and colour:
20211111_Ha_AR12894_Mono by Stuart Green, on Flickr
20211111_Ha_AR12894_Colour by Stuart Green, on Flickr
This being the case, I'll take it any day. I'd rather have a short imaging session than nothing at all.
BTW, this shows the seeing conditions this morning
2021-11-11_Seeing Conditions by Stuart Green, on Flickr
Thanks for looking.
Stu.
Anyhow, here's the singular image from the session, produced here in mono and colour:
20211111_Ha_AR12894_Mono by Stuart Green, on Flickr
20211111_Ha_AR12894_Colour by Stuart Green, on Flickr
This being the case, I'll take it any day. I'd rather have a short imaging session than nothing at all.
BTW, this shows the seeing conditions this morning
2021-11-11_Seeing Conditions by Stuart Green, on Flickr
Thanks for looking.
Stu.
Last edited by Carbon60 on Thu Nov 11, 2021 12:40 pm, edited 1 time in total.
H-alpha, WL and Ca II K imaging kit for various image scales.
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Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: AR12894 in Ha on 11th November 2021
Fantastic single image, Stu. Magnificent filament and contrast.
Franco
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Re: AR12894 in Ha on 11th November 2021
Hi Stu
That's a nice contrasty image you've posted. The video of your seeing conditions is what I see in my sky most of the time.
I've also experienced "sudden cloud cover" including at least two occasions when I went right from setting up to throwing a protective cover over my setup and then eventually having to dismantling everything and leaving just the mount and tripod under a cover. The consolation is that there will be many more opportunities for imaging with a more active sun.
Lou
That's a nice contrasty image you've posted. The video of your seeing conditions is what I see in my sky most of the time.
I've also experienced "sudden cloud cover" including at least two occasions when I went right from setting up to throwing a protective cover over my setup and then eventually having to dismantling everything and leaving just the mount and tripod under a cover. The consolation is that there will be many more opportunities for imaging with a more active sun.
Lou
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Re: AR12894 in Ha on 11th November 2021
You get the gold star for bravery that's a fabulous image Stuart, but I do like the phase of clouds being attracted to telescopes like flies to poop
We had thick fog all morning which has turned to grey skies instead, you were very lucky
Alexandra
We had thick fog all morning which has turned to grey skies instead, you were very lucky
Alexandra
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Re: AR12894 in Ha on 11th November 2021
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Re: AR12894 in Ha on 11th November 2021
Excellent captures and colouring Stu.
Thanks for sharing
Terry
Thanks for sharing
Terry
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Re: AR12894 in Ha on 11th November 2021
I agree with Terry. I love the near Ha red!EGRAY_OBSERVATORY wrote: ↑Thu Nov 11, 2021 10:07 pm Excellent captures and colouring Stu.
Thanks for sharing
Terry
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Losmandy AZ8 Alt/Az Mount
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Meade Coronado SolarMax II 60 DS
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Astro-Tech AT72EDII with Altair solar wedge
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Re: AR12894 in Ha on 11th November 2021
A very nice capture Stu, especially with the fleeting gap and less than ideal conditions. Looks like rain today...
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Re: AR12894 in Ha on 11th November 2021
Many thanks, everyone.
Saturday looks promising, currently.
Stu.
Saturday looks promising, currently.
Stu.
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Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: AR12894 in Ha on 11th November 2021
Good results, Stue!
And the seeing is not as poor as people think.
Valery
And the seeing is not as poor as people think.
Valery
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Re: AR12894 in Ha on 11th November 2021
Thanks, Valery.
You're right about the seeing. Not the worst seeing, but not the best either.
I've reworked the image.
20211111_Ha2_AR12894_Mono by Stuart Green, on Flickr
Stu.
You're right about the seeing. Not the worst seeing, but not the best either.
I've reworked the image.
20211111_Ha2_AR12894_Mono by Stuart Green, on Flickr
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: AR12894 in Ha on 11th November 2021
Beautiful high-res work, Stu!
I absolutely love your re-processed image where you've toned back the contrast a bit.
Best regards,
Arne
I absolutely love your re-processed image where you've toned back the contrast a bit.
Best regards,
Arne
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