Another day forecast to be clear blue skies at dawn was for seven of the eight oktas in the sky, the cloudy one being on the eastern horizon where the sun was, but, with minutes to spare before the routine of going to work began I got a brief gap and so was able to catch a quick full disk in CaK. Running at somewhere around 700mm focal length with the 40mm scope, homebrew CaK filter and the PGR Chameleon 3 camera.
cak-full-disk-bw by Mark Townley, on Flickr
cak-full-disk-colour by Mark Townley, on Flickr
Not sure when the next sun will be, the forecast doesn't look promising...
Mark
CaK Full Disk - 26th April
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CaK Full Disk - 26th April
http://brierleyhillsolar.blogspot.co.uk/
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Re: CaK Full Disk - 26th April
Great images, Mark. Is the Cal K same as Ha ? You capture in mono and then color the image ? Franco
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Re: CaK Full Disk - 26th April
Thanks Franco, yes, I capture in mono then colour afterwards.
http://brierleyhillsolar.blogspot.co.uk/
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Re: CaK Full Disk - 26th April
Beautiful disks, Mark. Lovely bright, contrasty, plage.
That homebrew filter works really well.
Stu.
That homebrew filter works really well.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: CaK Full Disk - 26th April
Thanks everyone, cloudy this morning, typical!
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!