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

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

Post by arnedanielsen »

Dear friends,

Today's Sun after rain...

FD image in H-Alpha using a Takahashi Sky-90II with Coronado 90mm/BF15, Coronado 2x CeMax and ASI 1600mm PRO.
Sun90FD_153947_Ha_(Coronado_90mm_BF15)_20210816_ZWO ASI1600MM Pro_lapl4_ap4152_Sharpened_Contrast_resize.jpg
Sun90FD_153947_Ha_(Coronado_90mm_BF15)_20210816_ZWO ASI1600MM Pro_lapl4_ap4152_Sharpened_Contrast_resize.jpg (373.72 KiB) Viewed 254 times
Sun FD in H-Alpha 16th of August 2021



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.
SunCaK60_154652_CaK_(3934nm)_20210816_ZWO ASI183MM_lapl4_ap7171_out_Contrast_resize.jpg
SunCaK60_154652_CaK_(3934nm)_20210816_ZWO ASI183MM_lapl4_ap7171_out_Contrast_resize.jpg (265.53 KiB) Viewed 254 times
Sun FD in CaK 16th of August 2021

SunCaK60_154652_CaK_(3934nm)_20210816_ZWO ASI183MM_lapl4_ap7171_out_Contrast_Colorized_resize.jpg
SunCaK60_154652_CaK_(3934nm)_20210816_ZWO ASI183MM_lapl4_ap7171_out_Contrast_Colorized_resize.jpg (285.69 KiB) Viewed 254 times
Sun FD in CaK 16th of August 2021 - colorized



As usual click on links to view full size images.

Thanks for looking,
Arne


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

Post by MapleRidge »

Great full disk images Arne :bow

Brian


Brian Colville

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:
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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
WL, G-Band & CaK Setup: Lunt Wedge & Lunt B1800CaK, Baader K-Line and Altair 2nm G-Band filter
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Re: Sun FD in H-Alpha and CaK 16th of August 2021

Post by EGRAY_OBSERVATORY »

Thanks Arne for your excellent FD's.

Terry


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

Post by DeepSolar64 »

Arne,
These are really nice full discs. I love the colored CaK!!

James


Lunt 8x32 SUNoculars
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Re: Sun FD in H-Alpha and CaK 16th of August 2021

Post by Montana »

Looks like at least one of the baby ARs is developing quickly into a double spot, that is very nice to see :bow :hamster: super pictures!

Alexandra


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

Post by Carbon60 »

Nice images, Arne.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
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Re: Sun FD in H-Alpha and CaK 16th of August 2021

Post by MAURITS »

Lovely FD'S Arne.


Regards,
Maurits

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

Post by arnedanielsen »

Thank you very much for you kind comments, Brian, Terry, James, Alexandra, Stu and Maurits!

All the best,
Arne


Best regards,
Arne
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