These were taken using an Aries 265mm ERF + C9.25 + 3X Baader Telecentric + Quark Combo +FLIR (5Mp) Blackfly during mid afternoon (1 - 2 pm local)
Yes, the scale is a bit much and the images a bit noisy (due to stacking only 200/1000 frames) but I haven't found a suitable reducer yet to bring it down to about 4500 - 5000mm without adding too much overhang. The Quark was showing very good contrast but the seeing caused very jittery fine detail.
The camera feels more and more comfortable now and I found that by reducing the ROI to 3Mp (as for the images below), the frame rate could be nudged up to about 98 fr/s if the image brightness allows it.
Current ARs from June 16 afternoon
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Current ARs from June 16 afternoon
Last edited by gabrieli on Sun Jun 17, 2018 12:35 pm, edited 2 times in total.
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Re: Current ARs from June 16 afternoon
Very good indeed!
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: Current ARs from June 16 afternoon
Very impressive!!
I don't understand why it would be so noisy though after stacking 200 frames, I only ever stack 50 and they seem OK?
Alexandra
I don't understand why it would be so noisy though after stacking 200 frames, I only ever stack 50 and they seem OK?
Alexandra
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Re: Current ARs from June 16 afternoon
Hope you don't mind, but I've cleaned up some of the noise.....
Not ideal as I worked from your JPG file, but it shows promise.
Stu.
Not ideal as I worked from your JPG file, but it shows promise.
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: Current ARs from June 16 afternoon
As Stu implied, the noise came from excessive processing (over use of wavelets). The scale displayed should have been reduced a bit,
Lou
Lou