Sun in H-Alpha and CaK 22nd of August 2021

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arnedanielsen
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Sun in H-Alpha and CaK 22nd of August 2021

Post by arnedanielsen »

Dear friends,

FD images in H-Alpha and CaK from 22nd of August 2021

FD image in H-Alpha using a Takahashi Sky-90II with Coronado 90mm/BF15, Coronado 2x CeMax and ASI 1600mm PRO.
Sun90FD_121437_Ha_(Coronado_90mm_BF15)_20210822_ZWO ASI1600MM Pro_lapl4_ap2633_Sharpened_Contrast_resize.jpg
Sun90FD_121437_Ha_(Coronado_90mm_BF15)_20210822_ZWO ASI1600MM Pro_lapl4_ap2633_Sharpened_Contrast_resize.jpg (394.38 KiB) Viewed 180 times
Sun FD in H-Alpha 22nd 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_122557_CaK_(3934nm)_20210822_ZWO ASI183MM_lapl4_ap5489_out_Contrast_resize.jpg
SunCaK60_122557_CaK_(3934nm)_20210822_ZWO ASI183MM_lapl4_ap5489_out_Contrast_resize.jpg (244.61 KiB) Viewed 180 times
Sun FD in CaK 22nd of August 2021

SunCaK60_122557_CaK_(3934nm)_20210822_ZWO ASI183MM_lapl4_ap5489_out_Contrast_Colorized_resize.jpg
SunCaK60_122557_CaK_(3934nm)_20210822_ZWO ASI183MM_lapl4_ap5489_out_Contrast_Colorized_resize.jpg (252.01 KiB) Viewed 180 times
Sun FD in CaK 22nd of August 2021 - colorized


As usual click on links to view full size images.

Thanks and best regards,
Arne


Best regards,
Arne
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Re: Sun in H-Alpha and CaK 22nd of August 2021

Post by EGRAY_OBSERVATORY »

More FD's for yesterday showing fine detail and excellence too.

Terry


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Re: Sun in H-Alpha and CaK 22nd of August 2021

Post by Montana »

Terrific images Arne :bow :hamster: the new AR is getting larger I am sure.

Alexandra


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Re: Sun in H-Alpha and CaK 22nd of August 2021

Post by MAURITS »

Excellent Arne.


Regards,
Maurits

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Re: Sun in H-Alpha and CaK 22nd of August 2021

Post by arnedanielsen »

Many thanks, Terry, Alexandra and Maurits!

Alexandra: Yes, it looks like it's growing. Would be nice with some larger AR before Autumn is over and Winter is here.

Best regards,
Arne


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Arne
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