Dear friends,
FD images in H-Alpha and CaK from 23rd 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 23rd 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 23rd of August 2021
Sun FD in CaK 23rd 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 23rd of August 2021
- arnedanielsen
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Re: Sun in H-Alpha and CaK 23rd of August 2021
Thank you Arne for some excellent captures of today.
Terry
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Re: Sun in H-Alpha and CaK 23rd of August 2021
Excellent!! I could only see one spot in Halpha yesterday but I see in CaK it is clearly 2
Alexandra
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Re: Sun in H-Alpha and CaK 23rd of August 2021
Thank you very much for your kind comments, Terry, Ivan, Alexandra and Maurits!
Best regards,
Arne
Best regards,
Arne