Today another try at CaK. Seeing was way better than yesterday, transparency was not good.
100mm ED f/9 _ Lunt Blocking filters _ 1 Baader K Line filter _ Tw PST #1 filters _ ASI290MM
@900mm
And @ about f/16 with a Baader VIP. Next time will try it at about f/13.
[Edit: remeasured the distance to the sensor. It is even longer: f/18.]
CaK, 17022019
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Re: CaK, 17022019
Nice images Bart! I wish astrobin previewed them larger.
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: CaK, 17022019
Very nice indeed, Bart.
Stu.
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, 17022019
Thanks guys!
There was something else interesting when imaging today. One of the PST #1 filters is mounted on the nosepiece of a Skybender. The other one is mounted inside. I never tried what happened when you tilt the second one more. I could see the histogram move to the right and get a bit wider when I applied more tilt. One more for on the list of things to do: find out what the effect is on the quality of the images (or the bandwidth) when more or less tilt is applied.
There was something else interesting when imaging today. One of the PST #1 filters is mounted on the nosepiece of a Skybender. The other one is mounted inside. I never tried what happened when you tilt the second one more. I could see the histogram move to the right and get a bit wider when I applied more tilt. One more for on the list of things to do: find out what the effect is on the quality of the images (or the bandwidth) when more or less tilt is applied.
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Re: CaK, 17022019
Thanks Alexandra and Maurits!
I made a new version of the one with the Baader VIP. Processing was way more aggressive. Really curious what you all think about it: