Sun FD in H-Alpha and CaK 16th of October 2021

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arnedanielsen
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Sun FD in H-Alpha and CaK 16th of October 2021

Post by arnedanielsen »

Dear friends,

A short break in the clouds, but still some thin cirrus, allowed for a quick session in H-Alpha and CaK.

FD image in H-Alpha using a Coronado 60mm/BF15 w/Beloptik ITF, stopped down to 50mm, Baader 35nm H-Alpha and ASI 178mm mounted on a SkyWatcher SolarQuest.
Sun60FD_130525_Ha_20211016_ZWO ASI178MM(53096324)_lapl4_ap3677_out_Contrast_resize.jpg
Sun60FD_130525_Ha_20211016_ZWO ASI178MM(53096324)_lapl4_ap3677_out_Contrast_resize.jpg (315.97 KiB) Viewed 505 times
Sun FD in H-Alpha 16th of October 2021

Sun60FD_130525_Ha_20211016_ZWO ASI178MM(53096324)_lapl4_ap3677_out_Contrast_Colorized_resize.jpg
Sun60FD_130525_Ha_20211016_ZWO ASI178MM(53096324)_lapl4_ap3677_out_Contrast_Colorized_resize.jpg (366.23 KiB) Viewed 505 times
Sun FD in H-Alpha 16th of October 2021 - Colorized



FD image in CaK using a William Optics ZenithStar 61II, stopped down to 46mm, Lunt CaK 1200 module, Coronado 2x CeMax and ASI 183mm camera mounted on a SkyWatcher SolarQuest.
SunCaK60_125053_CaK_(3934nm)_20211016_ZWO ASI183MM_lapl4_ap7401_out_Contrast_resize.jpg
SunCaK60_125053_CaK_(3934nm)_20211016_ZWO ASI183MM_lapl4_ap7401_out_Contrast_resize.jpg (231.79 KiB) Viewed 505 times
Sun FD in CaK 16th of October 2021

SunCaK60_125053_CaK_(3934nm)_20211016_ZWO ASI183MM_lapl4_ap7401_out_Contrast_Colorized_resize.jpg
SunCaK60_125053_CaK_(3934nm)_20211016_ZWO ASI183MM_lapl4_ap7401_out_Contrast_Colorized_resize.jpg (255.35 KiB) Viewed 505 times
Sun FD in CaK 16th of October 2021 - Colorized



Click on links to view full size images.

Thanks for looking and best regards,
Arne


Best regards,
Arne
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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by MAURITS »

Beautiful FD'S Arne.


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Maurits

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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by Montana »

Beautiful images Arne, you have really got them down to perfection this year :bow :hamster:

Alexandra


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by ffellah »

I agree with Alexandra, there are excellent, Arne.

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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by MapleRidge »

Superb FD images Arne...well done :bow

Brian


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by arnedanielsen »

Thank you very much everyone!

Alexandra: This has been really good season with lots of imaging making it possible to try different things and learn from mistakes and success. I've also got lots of valuable input from this forum - for which I'm very grateful.

Best regards,
Arne


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by LeoD »

Great images, one by one, Arne! I like all your FD's ))
I remember I was in Norway (Bergen, Ålesund) it was sunny weather also, and people said we were lucky cause it's more than 300 cloudy days per year there.
regards
Leo


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by Ivan »

Great job, Arne! Very nice FD's.

Ivan


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by arnedanielsen »

Thank you very much guys.

Leo: Bergen is well known for having lots and lots of rain. Sounds like you were very lucky!

Best regards,
Arne


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by marktownley »

The sun is quiet but those disks look nice Arne!


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by arnedanielsen »

Thanks, Mark.

Best regards,
Arne


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by VasilevIvan »

Beautiful FD's, Arne! Very nice postprocessing of chromosphere and prominences!


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by Ibbo »

Nice images.


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Re: Sun FD in H-Alpha and CaK 16th of October 2021

Post by arnedanielsen »

Thank you very much guys!

Best regards,
Arne


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