Search found 3369 matches
- Tue Apr 23, 2024 11:58 am
- Forum: Image Processing Troubleshooting
- Topic: Processes or tools for removing moon glare?
- Replies: 5
- Views: 1494
Re: Processes or tools for removing moon glare?
Moon glare is really Wipe's domain. Of course, stray moon light will greatly add to the noise and make it harder to collect data on faint objects. However, not all of us can image under pristine skies - we have to get what we can to get. If you find yourself in this situation often, narrowband filte...
- Fri Apr 19, 2024 12:26 am
- Forum: General Discussion
- Topic: Looking for French speaking users
- Replies: 0
- Views: 2852
Looking for French speaking users
Hi all, With the exceptional help of decay and hixx , multi-language support is coming along quite nicely, making StarTools more accessible for non-English users. :thumbsup: We now have a rudimentary French translation, but we could really use the eyes and brains of some true native French speakers ...
- Mon Mar 25, 2024 12:23 am
- Forum: Image Processing Troubleshooting
- Topic: Donut stars
- Replies: 61
- Views: 15968
Re: Donut stars
I'm definitely not proposing we should be doing 16-bit stacking, however the assumption is that the source material is *multiple subs* of 10, 12, 14 or 16-bit quantized data, where values fell within the range of 0 to /1024, 4096, 16384 or 65536. Stacking multiple subs will - in essence - add 2^(sta...
- Sun Mar 24, 2024 12:39 am
- Forum: Image Processing Troubleshooting
- Topic: Donut stars
- Replies: 61
- Views: 15968
Re: Donut stars
Links to download M3 stack https://www.dropbox.com/scl/fi/19k8e7fvq4l1jsj7zxvhi/M3_220x45s_GESDT-default_rgb.fit?rlkey=dv1uk4qakasttfxnukga5hwi4&dl=0 Single sub https://www.dropbox.com/scl/fi/yp36jy170m8q9yywy0346/M3_test_single_sub_336.fit?rlkey=w5jepx5ajz6jj3oeqh2nmieja&dl=0 Thank you for uploadi...
- Sat Mar 23, 2024 11:21 am
- Forum: Image Processing Troubleshooting
- Topic: Donut stars
- Replies: 61
- Views: 15968
Re: Donut stars
The plateauing can be caused by a number of things and would - as already mentioned - be chiefly caused by an area that shows comparatively very little change in co-located pixels (as a proxy for "detail"). It would therefore receive a smaller dynamic range allocation. I've seen this happen as a res...
- Sun Feb 11, 2024 1:08 am
- Forum: General Discussion
- Topic: RC BlurXterminator …. Any comments ?
- Replies: 36
- Views: 63701
Re: RC BlurXterminator …. Any comments ?
@Mike in Rancho have you read Shaun's Experienced Imaging thread about his "convolve then deconvolve" experiment? There was discussion from Rista about noise profiles (I guess so, because you thought Shaun's new thread was about the M101 data). Anyway, I expect you're right that applying SVD to the...
- Thu Feb 08, 2024 1:15 am
- Forum: General Discussion
- Topic: Astro to Astro-art Continuum, 2024 Edition
- Replies: 45
- Views: 10372
Re: Astro to Astro-art Continuum, 2024 Edition
This is brilliant Dietmar - I love seeing people dive deep into what's happening (and taking others along for the ride).
- Sun Feb 04, 2024 11:41 pm
- Forum: General Discussion
- Topic: Astro to Astro-art Continuum, 2024 Edition
- Replies: 45
- Views: 10372
Re: Astro to Astro-art Continuum, 2024 Edition
Hi Ivo, thank you for these additional comments, and for 'translating' them into their audio equivalents. I wonder if the audio analogy has it's limit when we look at the default settings of the scale sliders. By default, details of all scales are sharpened (100%). In terms of audio we would push u...
- Sat Feb 03, 2024 5:46 am
- Forum: General Discussion
- Topic: Astro to Astro-art Continuum, 2024 Edition
- Replies: 45
- Views: 10372
Re: Astro to Astro-art Continuum, 2024 Edition
Wavelet Sharpening in StarTools is indeed "more" data driven than a regular wavelet sharpener, in that it uses more statistics and analysis of the data to achieve two - for AP generally - desirable things; it refrains from boosting areas that don't have enough signal (uses Tracking's signal evolutio...
- Fri Feb 02, 2024 2:33 am
- Forum: General Discussion
- Topic: Astro to Astro-art Continuum, 2024 Edition
- Replies: 45
- Views: 10372
Re: Astro to Astro-art Continuum, 2024 Edition
If it helps, almost every processing algorithm/technique has an equivalent in "1D" such as in audio/music; For example; Wavelet sharpening is about isolating and manipulating specific frequencies (like a graphic equalizer). Deconvolution can be thought of as undoing the effects of a reverb/reflectio...