Managed to grab a quick CaK full disk before leaving for work today - 20 minutes later sky went from cloud free to total cloud cover. Taken with the 40mm f10 at ~500mm focal length with the 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
Always nice to have a bit of sun before work in a morning!
Mark
Quick CaK Full Disk 26th April
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Quick CaK Full Disk 26th April
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Re: Quick CaK Full Disk 26th April
Your lovely Ca K full disk!
Very nice. Wish you good seeing and many high res in Ca K !
Valery
Very nice. Wish you good seeing and many high res in Ca K !
Valery
"Solar H alpha activity is the most dynamic and compelling thing you can see in a telescope, so spend accordingly." (c) Bob Yoesle.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
Largest full size 185 - 356mm Dielectric Energy Rejection Filters (D-ERF) by ARIES Instruments.
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Re: Quick CaK Full Disk 26th April
Thanks guys!
I hope I get some good seeing too. These early mornings are my best window of the year, but need another month or so for it to clear the rooftops a bit more and get higher in the sky.
I hope I get some good seeing too. These early mornings are my best window of the year, but need another month or so for it to clear the rooftops a bit more and get higher in the sky.
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Re: Quick CaK Full Disk 26th April
Nice disks, Mark, well done, it is remarkable how very good CaK (or CaH) images can be obtained with very small apertures.
Raf
My solar images and reports with articles on solar equipment
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Re: Quick CaK Full Disk 26th April
Nice images, Mark. The weather report doesn't look promising for imaging at any time; rain and gales over the weekend and into next week.
Stu.
Stu.
H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
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Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Quick CaK Full Disk 26th April
Hi Mark,
Nice CAK FD image. It has been very cloudy and raining on this side of the world.
Alfred
Nice CAK FD image. It has been very cloudy and raining on this side of the world.
Alfred