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.
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.
Sun FD in CaK 22nd of August 2021
Sun FD in CaK 22nd of August 2021 - colorized
As usual click on links to view full size images.
Thanks and best regards,
Arne
Sun in H-Alpha and CaK 22nd of August 2021
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Re: Sun in H-Alpha and CaK 22nd of August 2021
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
Terrific images Arne the new AR is getting larger I am sure.
Alexandra
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- arnedanielsen
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Re: Sun in H-Alpha and CaK 22nd of August 2021
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
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