Monday Sun 4th October 2021

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Carbon60
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Monday Sun 4th October 2021

Post by Carbon60 »

A brief period of sunshine midday gave me an opportunity to take a few images in Ha, Ca II K and 430nm.

First up is a Ca II K FD in mono and colour showing some nice plage banded regions in the northern and southern hemispheres, punctuated with two active regions: AR12880 towards the meridian and AR12882 just this side of the eastern limb.

Image20211004_CaK_FD_Mono by Stuart Green, on Flickr

Image20211004_CaK_FD_colour by Stuart Green, on Flickr

.... and here in Ha.

Image20211004_Ha_FD_Mono by Stuart Green, on Flickr

Image20211004_Ha_FD_colour by Stuart Green, on Flickr

The seeing conditions were quite okay for the most part and I managed to capture some closer views of the active region AR12882 using my Lacerta solar wedge on my Tecnosky 125 with 2.5x and 5x PMs respectively, although it was a struggle to retain much detail at the higher magnification. I've cropped the original a little as well with this image. The 'Wilson' effect is clear to see (a slight depression within the umbra causing the closest edge of the penumbra to appear thinner than the rest of it).

Image20211004_AR2882_430nm_x2.5 by Stuart Green, on Flickr

Image20211004_AR2882_430nm_x5 by Stuart Green, on Flickr

AR12880 appears a just a few minor sunspots and pores currently.

Image20211004_AR2880_430nm by Stuart Green, on Flickr

By this time I could see clouds rolling in from the west, thick and very dark, causing me to panic a little and pack up before we received one of the many heavy showers we've been having recently and that was the end of the session for today.

Thanks for looking.

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/
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Carbon60
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Monday Sun 4th October 2021

Post by Carbon60 »

A brief period of sunshine midday gave me an opportunity to take a few images in Ha, Ca II K and 430nm.

First up is a Ca II K FD in mono and colour showing some nice plage banded regions in the northern and southern hemispheres, punctuated with two active regions: AR12880 towards the meridian and AR12882 just this side of the eastern limb.

Image20211004_CaK_FD_Mono by Stuart Green, on Flickr

Image20211004_CaK_FD_colour by Stuart Green, on Flickr

.... and here in Ha.

Image20211004_Ha_FD_Mono by Stuart Green, on Flickr

Image20211004_Ha_FD_colour by Stuart Green, on Flickr

The seeing conditions were quite okay for the most part and I managed to capture some closer views of the active region AR12882 using my Lacerta solar wedge fitted with a 430nm filter on my Tecnosky 125 with 2.5x and 5x PMs respectively, although it was a struggle to retain much detail at the higher magnification. I've cropped the original a little as well with this image. The 'Wilson' effect is clear to see (a slight depression within the umbra causing the closest edge of the penumbra to appear thinner than the rest of it).

Image20211004_AR2882_430nm_x2.5 by Stuart Green, on Flickr

Image20211004_AR2882_430nm_x5 by Stuart Green, on Flickr

AR12880 appears a just a few minor sunspots and pores currently.

Image20211004_AR2880_430nm by Stuart Green, on Flickr

By this time I could see clouds rolling in from the west, thick and very dark, causing me to panic a little and pack up before we received one of the many heavy showers we've been having recently and that was the end of the session for today.

Thanks for looking.

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/
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Re: Monday Sun 4th October 2021

Post by arnedanielsen »

Beautiful images in all bandwidths Stu!

Best regards,
Arne


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Re: Monday Sun 4th October 2021

Post by ffellah »

Great results, Stu. Nice to see new AR2882 in detail.

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Re: Monday Sun 4th October 2021

Post by rigel123 »

Wonderful shots Stu, and love that closeup of AR2882!


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Re: Monday Sun 4th October 2021

Post by DeepSolar64 »

These are beautiful Stuart! Thanks for the views. I have been largely clouded out today.

James


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Re: Monday Sun 4th October 2021

Post by DeepSolar64 »

These are beautiful Stuart! Thanks for the views. I have been largely clouded out today.

James


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Meade Coronado SolarMax II 90 DS
Meade Coronado AZS Alt/Az Mount
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Celestron NexStar 102GT with Altair solar wedge
Losmandy AZ8 Alt/Az Mount
Sky-Watcher AZGTI Alt-Az GoTo mount
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Re: Monday Sun 4th October 2021

Post by Montana »

Terrific images Stuart, the white light view is my favourite, it's lovely to see the Wilson effect :bow :hamster:

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Re: Monday Sun 4th October 2021

Post by marktownley »

These are excellent Stu, the WL is very good indeed.


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Re: Monday Sun 4th October 2021

Post by EGRAY_OBSERVATORY »

Excellent captures Stu and thanks for sharing

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Re: Monday Sun 4th October 2021

Post by MAURITS »

Excellent captures Stu.


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Re: Monday Sun 4th October 2021

Post by Carbon60 »

Many thanks, everyone.

Apologies for the duplicate post originally.

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/
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