Shots from yesterday morning with new processing technique.
Shots from yesterday morning with new processing technique.
While the white light images here are using registax 6 to post process, because it brings up the granulation better, the halpha images are post processed not with wavelets, but an iterative high pass filter process. Thats all Ill say for now on this method, but the difference was so striking when I first tried it, I nearly fell out of my chair. Here are two examples to demonstrate. The first image is the very best I could do with registax 6, going for the highest res possible. the second image is with the iteration technique. Now that you have looked at these, see the rest here:
http://www.schursastrophotography.com/solar/123011.html
Post process using registax 6 wavelets:
And here, same stacked file, using only iterative processing:
http://www.schursastrophotography.com/solar/123011.html
Post process using registax 6 wavelets:
And here, same stacked file, using only iterative processing:
Chris Schur
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Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
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Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
Re: Shots from yesterday morning with new processing technique.
Wow Chris your images are excelling. I went through your Daily Report for 29th December and in addition to find a presentation 5 stars, the quality of your images either in white light or Ha is something extraordinary !!
Something you said, I agree 100%: the wavelets in Registax 6.0 doesn't apply for Solar images. You mentioned that you use an interactive routine based in High Pass Filtering. That is a very good approach.
Another thing you mentioned in your report that called my attention was the use of a PM x5 in one of your images. I tried to use a PM x5 in my Lunt 60mm (double stacked etalon) and all I got were inclined lines superimposed to the image, like a TV image with a strong interference, you know...about the same look. I called Lunt and I was told that a x5 PM is just too much for a 60mm scope. What do you think ?
Thank you very much for all this wonderful material you shared.
Fernando
Something you said, I agree 100%: the wavelets in Registax 6.0 doesn't apply for Solar images. You mentioned that you use an interactive routine based in High Pass Filtering. That is a very good approach.
Another thing you mentioned in your report that called my attention was the use of a PM x5 in one of your images. I tried to use a PM x5 in my Lunt 60mm (double stacked etalon) and all I got were inclined lines superimposed to the image, like a TV image with a strong interference, you know...about the same look. I called Lunt and I was told that a x5 PM is just too much for a 60mm scope. What do you think ?
Thank you very much for all this wonderful material you shared.
Fernando
Re: Shots from yesterday morning with new processing technique.
Try changing the parameters in the Wavelets TAB (Registax 5 and 6). I usually change the default value (50) to 500 or 1000 (registax 5 and 6 does not hold this number - you will have to change it every time you start the program). Also try using gaussian as wavelet filter.
It works fine for me. Post-processing should of course be done with PS CS
best regards
It works fine for me. Post-processing should of course be done with PS CS
best regards
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Re: Shots from yesterday morning with new processing technique.
Beautifully done Chris! I also found I was losing 100x the detail when using wavelets. I always do very minimal Wavelets and use the sharpening tools in Photoshop instead.
I went from this
http://www.flickr.com/photos/alexandra4 ... 535811777/
to this
http://www.flickr.com/photos/alexandra4 ... 535811777/
(same photo) and I have never looked back!
Regards
Alexandra
I went from this
http://www.flickr.com/photos/alexandra4 ... 535811777/
to this
http://www.flickr.com/photos/alexandra4 ... 535811777/
(same photo) and I have never looked back!
Regards
Alexandra
- marktownley
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Re: Shots from yesterday morning with new processing technique.
Excellent! I look forward to hearing more about this...
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!
Re: Shots from yesterday morning with new processing technique.
I think for everyone that does solar and any time of astronomical imaging, a variety of process must be tried to fit thier style and needs. I have a specific goal of getting my work published, but others may do it for different reasons. It boils down to fast and easy vs how much work do you want to do during processing.
Chris Schur
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Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
----------------------------------
Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
- Merlin66
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Re: Shots from yesterday morning with new processing technique.
NandoPG,
Sounds like a case of Newton Rings...
I sometimes get them with a x2.5 Powermate and the double stack SM60....
(I was advised it may be related to the thickness of the cover plate on the CCD sensor...)
A flat field will reduce the impact....
Sounds like a case of Newton Rings...
I sometimes get them with a x2.5 Powermate and the double stack SM60....
(I was advised it may be related to the thickness of the cover plate on the CCD sensor...)
A flat field will reduce the impact....
"Astronomical Spectroscopy - The Final Frontier" - to boldly go where few amateurs have gone before
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
https://groups.io/g/astronomicalspectroscopy
http://astronomicalspectroscopy.com
"Astronomical Spectroscopy for Amateurs" and
"Imaging Sunlight - using a digital spectroheliograph" - Springer
Re: Shots from yesterday morning with new processing technique.
Merlin66,
Thanks for the hint. I will try it next time. I have a field flattener with 1.25" threads that will do the job. I will let you know the outcome.
Happy New Year,
Fernando
Thanks for the hint. I will try it next time. I have a field flattener with 1.25" threads that will do the job. I will let you know the outcome.
Happy New Year,
Fernando
Re: Shots from yesterday morning with new processing technique.
Try changing the parameters in the Wavelets TAB (Registax 5 and 6). I usually change the default value (50) to 500 or 1000 (registax 5 and 6 does not hold this number - you will have to change it every time you start the program). Also try using gaussian as wavelet filter.
It works fine for me. Post-processing should of course be done with PS CS
best regards
Agreed! I have always used selective Hi-Pass as part of the processing flow in post after using mild wavelets. But I also find that the HDR Toning tool has some interesting sharpening to add also.
As far as Hi-pass additions, be sure to check different blending modes other than overlay. An effetive approach is to also use the soft light blending mode / high - pass for a softer effect. In the DSO world we have called hi-pass a synthetic type of wavelets in PS as you can "control" the freqency that it applies. And used with masks or selections you can really control the process.
Have fun!
It works fine for me. Post-processing should of course be done with PS CS
best regards
Agreed! I have always used selective Hi-Pass as part of the processing flow in post after using mild wavelets. But I also find that the HDR Toning tool has some interesting sharpening to add also.
As far as Hi-pass additions, be sure to check different blending modes other than overlay. An effetive approach is to also use the soft light blending mode / high - pass for a softer effect. In the DSO world we have called hi-pass a synthetic type of wavelets in PS as you can "control" the freqency that it applies. And used with masks or selections you can really control the process.
Have fun!
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Re: Shots from yesterday morning with new processing technique.
Hi Chris
striking difference. Now, come on, please tell us more about it
striking difference. Now, come on, please tell us more about it
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE
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from 7 am - 7 pm http://www.nanosys.ch
from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa
Re: Shots from yesterday morning with new processing technique.
Walter the process is simple, I'm in the process of writing it up.
Chris Schur
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Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
----------------------------------
Birch Mesa Observatory, Payson Arizona
Clear Creek Canyon Observatory, Happy Jack, Arizona
Re: Shots from yesterday morning with new processing technique.
Me too. I'm eager to learn more image processing methods
best
best
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Re: Shots from yesterday morning with new processing technique.
Walter the process is simple, I'm in the process of writing it up.
Good good!!!
Good good!!!
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!