Sol from the 4th of June 2018.

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Sol from the 4th of June 2018.

Post by eroel »

Hi:
The usual CaK and Ha FD´s, taken with the Meade 102mm f/9 with a CaK PST mod and the Solarmax 90-DS.
Thanks for looking,
Eric.
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-1an.jpg
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-1an.jpg (787.67 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-1inv.jpg
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-1inv.jpg (817.94 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-2an.jpg
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-2an.jpg (603.1 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-2inv.jpg
Sol del 4 de junio de 2018-Meade-CaK-PSTmod-2inv.jpg (627.92 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-1an.jpg
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-1an.jpg (859.02 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-1inv.jpg
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-1inv.jpg (918.03 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-2an.jpg
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-2an.jpg (911.74 KiB) Viewed 2860 times
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-2inv.jpg
Sol del 4 de junio de 2018-Solarmax 90-DS-BF30-2inv.jpg (920.06 KiB) Viewed 2860 times


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Re: Sol from the 4th of June 2018.

Post by Valtori »

Hi Eric,

Lovely FDs there!!

Val


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Re: Sol from the 4th of June 2018.

Post by eroel »

Val:
Thank you.
Looks like the bright prominence shown at 11:00 in the Ha FD´s, did not show on the CaK ones, probably was not energetic enough.
In the CaK prominence FD`s, it is barely shown.
Regards,
Eric.


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Re: Sol from the 4th of June 2018.

Post by marktownley »

Super disks Eric!


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Re: Sol from the 4th of June 2018.

Post by Montana »

A lovely collection Eric, it is sad to see AR12712 disappear but there are some large proms in the east, we can only hope they are associated with something new :)
:bow :hamster:
Alexandra


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Re: Sol from the 4th of June 2018.

Post by pedro »

Great FD images Eric

abrazo


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Re: Sol from the 4th of June 2018.

Post by ffellah »

I always admire your high contrast disks, Eric.

Franco


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Re: Sol from the 4th of June 2018.

Post by allhoest »

Eric, I'm passing trough the posts.
I wonder the CaK proms on your pics.
Congrats!
CS
Alex


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Re: Sol from the 4th of June 2018.

Post by Carbon60 »

Excellent images, as always, Eric; lots of contrast and detail.

There appears to be a 'seam' around the Sun in the third (and inverted fourth) image. Is this some sort of long range structure, I wonder?

Stu


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Re: Sol from the 4th of June 2018.

Post by eroel »

Alexandra and guys, thanks for the comments.
Stu, I also saw that. BTW, you can see it in all the FD´s in CaK and in Ha, in some shots it looks much fainter.
In my workflow I always change the recording parameters on each FD, so that is why in some FD`s you can see more or less details.
The seam could be an alignment issue, I take always 1000 frames in SER at 12fps (that is as fast as the SKYnyx 2-2 goes at full resolution) and use 30% of them to make the final version.
Best regards to all,
Eric.


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Re: Sol from the 4th of June 2018.

Post by Carbon60 »

eroel wrote: Mon Jun 11, 2018 2:30 pm Alexandra and guys, thanks for the comments.
Stu, I also saw that. BTW, you can see it in all the FD´s in CaK and in Ha, in some shots it looks much fainter.
In my workflow I always change the recording parameters on each FD, so that is why in some FD`s you can see more or less details.
The seam could be an alignment issue, I take always 1000 frames in SER at 12fps (that is as fast as the SKYnyx 2-2 goes at full resolution) and use 30% of them to make the final version.
Best regards to all,
Eric.
Hi Eric,

At what times were your CaK images captured on June 4th (in UT rather than local)?

Regards

Stuart


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: Sol from the 4th of June 2018.

Post by eroel »

Stu:
I will check today and let you know.
Thanks,
Eric.


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Re: Sol from the 4th of June 2018.

Post by eroel »

Stu:
The first CaK "surface" SER recording was taken at 17:38 UTC.
The first CaK prominence SER recording was taken at 12:42 UTC.
The second CaK "Surface" SERrecording was taken at 12:46 UTC.
The second CaK prominence SER recording was taken at 12:49 UTC.
Thanks, hope it helps for what you are thinking.
Best wishes,
Eric.


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Re: Sol from the 4th of June 2018.

Post by Carbon60 »

Thanks, Eric. I was curious to see what SDO recorded at the same time.

I believe it is a real feature, rather than an image artefact. Maybe it's the result of some random alignment, or maybe it was nucleated at AR12712.

Thoughts anyone?

Stu.


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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: Sol from the 4th of June 2018.

Post by eroel »

Stu:
When some time left, I will realign and restack again the SER files in different softwares, (Registax6 and AS!2 and AS!3) so to find if it is an alignment and stacked artifact.
Regards,
Eric.


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