Dear friends,
Please find attached some FD images for the Sun in H-Alpha and CaK as well as some close-up images in H-Alpha.
All images are from July 21st in the afternoon under less than ideal seeing.
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 21st of July 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 21st of July 2021
Sun FD in CaK 21st of July 2021 - colorized
Close-up images in H-Alpha using an Explore Scientific AR152, Baader 2" 35nm H-Alpha (as ERF), Daystar Quark H-Alpha Chromosphere and ASI ZWO 174mm camera.
Sun in H-Alpha 21st of July 2021 - AR2847 and prominence
Sun in H-Alpha 21st of July 2021 - AR2846 and prominences
Sun in H-Alpha 21st of July 2021 - AR2847 and prominence (rotated 90 degrees clockwise)
Sun in H-Alpha 21st of July 2021 - AR2842 and prominence
Sun in H-Alpha 21st of July 2021 - AR2847 and prominences
Sun in H-Alpha 21st of July 2021 - AR2847 and prominence
Sun in H-Alpha 21st of July 2021 - AR2845
As usual click on links to view full size images.
Thanks for looking,
Arne
Sun in H-Alpha and CaK 21st of July 2021
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Re: Sun in H-Alpha and CaK 21st of July 2021
A nice set of images Arne, like the limb activity in Ha!
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!
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Re: Sun in H-Alpha and CaK 21st of July 2021
Wow!! amazing limb shots a lot has changed in just 8 days!
Alexandra
Alexandra
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Re: Sun in H-Alpha and CaK 21st of July 2021
Thanks you very much, Mark and Alexandra!
Best regards,
Arne
Best regards,
Arne
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Re: Sun in H-Alpha and CaK 21st of July 2021
Great shots, Arne!
Nice limb structures in hi-res, I'll pay more attention to look for it around a limb next time
Leo
Nice limb structures in hi-res, I'll pay more attention to look for it around a limb next time
Leo
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Re: Sun in H-Alpha and CaK 21st of July 2021
Thank you very much Leo.
Looking forward to seeing your future limb shots!
Best regards,
Arne
Looking forward to seeing your future limb shots!
Best regards,
Arne