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Pages: 1 | 2 | (show all) tommy_h member Reged: 12/27/11 Loc: Zellerndorf/Austria Re: Anyone tried Theli for stacking on Linux? [Re: avarakin]       #5106029 - 03/05/12 07:45 AM Edit   Reply   Quote Quick Reply   Hi Alex I'm not an expert in Theli, but with my pictures it works very well. I think, a narrow band image is not really good for a first try, normal rgb images would be better. A pixelscale calculator: http://www.cmoos.de/astro/theli/getpixelscale/pixelscale.php?focallength=750&auswahl=4.7&pixelsize= My settings in Astro/Photometry: catalog: USNO Mag-limit: 15 Absolute Photometry (direct) and (indirect): unchecked create source cat: checked and default settings Astro+photometry: checked, settings: posangle maxerror: 180 position maxerror: 10-20 match flipped images: checked other settings: default !!! I hope it helps Thomas Edited by tommy_h (03/05/12 08:18 AM) Post Extras:       Mischa journeyman Reged: 09/04/08 Loc: CHILE Re: Anyone tried Theli for stacking on Linux? [Re: avarakin]       #5106717 - 03/05/12 02:41 PM Edit   Reply   Quote Quick Reply   Alex, it does not make much sense to stack different narrow-band filters into one coadded FITS image. You should coadd different filters separately. Concerning (4): THELI uses full parallelisation only for multi-chip cameras. All amateur cameras are single-chip cameras. For single-chip cameras parallelisation is used during the astrometric solution, sky subtraction and coaddition. As for (5): You do NOT want to run any of the absolute photometric calibration. Differences in atmospheric transparency (i.e. relative photometric calibration) etc are automatically done when doing the astrometry. The other hints posted by tommy_h sound very reasonable to me. Have a look at the plots/fgroups_1.png check-plot. This should look reasonable (same orientation for exposures, many green dots inside). Examples can be found here: http://www.astro.uni-bonn.de/~theli/gui/astromphotom.html#interpreting-scamp-check-plots mischa Post Extras:       avarakin Carpal Tunnel Reged: 07/13/09 Loc: Parsippany NJ, USA Re: Anyone tried Theli for stacking on Linux? [Re: tommy_h]       #5107586 - 03/05/12 11:57 PM Attachment (28 downloads) Edit   Reply   Quote Quick Reply   Mischa, Thomas, Thanks for your help! I followed your suggestions but I am still not getting past the errors while doing astro+photometry. My plot looks like this now: -frames are nicely aligned -inside the frames I have mostly green crosses, about 300 -I also have some red squares inside and outside, about 10 -there are few, maybe 20 green squares inside frames What does this plot mean? Another question is: what do green squares and crosses mean? Alex Edited by avarakin (03/06/12 12:07 AM) Post Extras:       Mischa journeyman Reged: 09/04/08 Loc: CHILE Re: Anyone tried Theli for stacking on Linux? [Re: avarakin]       #5107997 - 03/06/12 09:19 AM Edit   Reply   Quote Quick Reply   Alex: green crosses: an object detected in the image and used for astrometry green diamond: an object detected, matched with an object in the reference catalog red square: a reference source, not matched by any detections in the images. your plot looks fine to me, but it appears that you could choose a deeper catalog, or increase the magnitude limit by 2 magnitudes. how do you know that "it didn't work"? looks fine to me! mischa Post Extras:       frasax sage Reged: 12/27/07 Loc: Cologne,Germany Re: Anyone tried Theli for stacking on Linux? [Re: Mischa]       #5664042 - 02/05/13 05:40 PM Edit   Reply   Quote Quick Reply   I hook up on this older posting. I´m going to do a presentation about a standard workflow in Theli at CEDIC in Linz/Austria at the beginning of March. I really will try hard to do a full presentation in english for my Youtube Channel as well. So stay tuned. CS Frank Post Extras:       lambermo sage Reged: 07/16/07 Loc: .nl Re: Anyone tried Theli for stacking on Linux? [Re: frasax]       #5664050 - 02/05/13 05:44 PM Attachment (4 downloads) Edit   Reply   Quote Quick Reply   Quote: I´m going to do a presentation about a standard workflow in Theli at CEDIC in Linz/Austria at the beginning of March. I really will try hard to do a full presentation in english for my Youtube Channel as well. So stay tuned. CS Frank cool ! Theli needs that. Will it explain workflow for both a dslr and ccd user ? and what to do in case of errors ? Like when this happens -> Post Extras:       frasax sage Reged: 12/27/07 Loc: Cologne,Germany Re: Anyone tried Theli for stacking on Linux? [Re: lambermo]       #5664174 - 02/05/13 07:03 PM Edit   Reply   Quote Quick Reply   Hi, well those workflows are not that much different, it doesn´t really matter if you´re using a CCD or DSLR. In your case the astrometry went wrong, of course i will explain this. You´re from the Netherlands? So maybe you speak a little german maybe? If so you could try my german video tutorials. www.youtube.com/astrophotocologne CS Frank Post Extras:       FrankenCub member Reged: 08/26/11 Loc: Whitney Point, NY Re: Anyone tried Theli for stacking on Linux? [Re: frasax]       #5669471 - 02/08/13 05:28 PM Edit   Reply   Quote Quick Reply   For anyone still following this and possible having dual monitor support issues with Ubuntu 11.10 and higher, I resolved those issues with Nvidia drivers. They weren't compatible for some reason and had to go back to older drivers until recently Nvidia brought out the latest, which I am now using. I upgraded to 12.04 and all went to @*#&, there's a LOT of hardware compatibility issues and bug reports which oddly won't be resolved I am now on Linux Mint 13 Cinnamon with not a single issue and so much less headache not having Unity. And being based on Ubuntu, everything I've installed from Ubuntu has went really smooth. I've been looking for some good software to use, my camera should be here next week, along with the snow clouds. I will give Theli a try too, I can't afford to spend much more money to get software right now lol. Post Extras:       AdirondackAstro sage Reged: 06/06/11 Loc: Plattsburgh, NY Re: Anyone tried Theli for stacking on Linux? [Re: FrankenCub]       #5670736 - 02/09/13 01:17 PM Edit   Reply   Quote Quick Reply   Not quite sure how to even install Theli. Running Ubuntu 12.04 currently. I got DSS to install under WINE using winetricks. Haven't stacked anything yet to test it out though. Really interested in possibly giving Theli a try, looks interesting and worth a shot. Post Extras:       frasax sage Reged: 12/27/07 Loc: Cologne,Germany Re: Anyone tried Theli for stacking on Linux? [Re: AdirondackAstro]       #5676322 - 02/12/13 05:20 PM Edit   Reply   Quote Quick Reply   Hello, i´ve helped a new user during his first steps over the last couple of days, and i found out that Theli works most stable under Ubuntu 10.04 for some reasons i don´t know yet. For now i would suggest to everyone to install it under Ubuntu 10.04 Lycid Lynx. (For just trying it out you can install it as a virtual Machine on MacOS or Windows). Be a bit more patient, i´m right now working on english Video Tutorials. They are published after my Workshop i´ll do at the Central European Deepsky Imaging Conference on 1st of March. So stay tuned:-) CS Frank Post Extras:       daev Technically Enlightened Reged: 03/10/04 Loc: On the edge of the desert Re: Anyone tried Theli for stacking on Linux? [Re: frasax]       #5687825 - 02/18/13 09:11 PM Edit   Reply   Quote Quick Reply   Thank you! dave Post Extras:       daev Technically Enlightened Reged: 03/10/04 Loc: On the edge of the desert Re: Anyone tried Theli for stacking on Linux? [Re: FrankenCub]       #5687826 - 02/18/13 09:12 PM Edit   Reply   Quote Quick Reply   Quote: For anyone still following this and possible having dual monitor support issues with Ubuntu 11.10 and higher, I resolved those issues with Nvidia drivers. They weren't compatible for some reason and had to go back to older drivers until recently Nvidia brought out the latest, which I am now using. I upgraded to 12.04 and all went to @*#&, there's a LOT of hardware compatibility issues and bug reports which oddly won't be resolved I am now on Linux Mint 13 Cinnamon with not a single issue and so much less headache not having Unity. And being based on Ubuntu, everything I've installed from Ubuntu has went really smooth. I've been looking for some good software to use, my camera should be here next week, along with the snow clouds. I will give Theli a try too, I can't afford to spend much more money to get software right now lol. This piques my interest. I've been tempted to switch distros for a while now. dave Post Extras:       avarakin Carpal Tunnel Reged: 07/13/09 Loc: Parsippany NJ, USA Re: Anyone tried Theli for stacking on Linux? [Re: daev]       #5687844 - 02/18/13 09:25 PM Edit   Reply   Quote Quick Reply   I tried Mint some time ago but the returned back to Unbuntu. I have 2 Ubuntu 12.04 computers and they work just fine. If you dont like Unity, just run Xfce. Going back to Theli: I did try it but had too many problems with plate solving. Too bad Theli does not allow to stack just arbitrary images as DSS and other stacking software allows. So I am back to DSS. Alex Post Extras:       daev Technically Enlightened Reged: 03/10/04 Loc: On the edge of the desert Re: Anyone tried Theli for stacking on Linux? [Re: avarakin]       #5687877 - 02/18/13 09:43 PM Edit   Reply   Quote Quick Reply   Quote: If you dont like Unity, just run Xfce. Alex I don't, and I'm running Gnome3 Which is fine except for some glitchiness in Compiz. dave Post Extras:       frasax sage Reged: 12/27/07 Loc: Cologne,Germany Re: Anyone tried Theli for stacking on Linux? [Re: daev]       #5691395 - 02/20/13 05:38 PM Edit   Reply   Quote Quick Reply   Hi Alex, Quote: I did try it but had too many problems with plate solving So could you explain a bit more detailed about your problems ? The Plate solving is a step which is more or less a bit tricky here and there. But it is so powerful that getting trough this progress is worth it! CS Frank Post Extras:       frasax sage Reged: 12/27/07 Loc: Cologne,Germany Re: Anyone tried Theli for stacking on Linux? [Re: frasax]       #5711083 - 03/03/13 05:41 PM Edit   Reply   Quote Quick Reply   Hi everyone, my Theli Tutorials are now online on Youtube: Astronomical Image Data Reduction with Theli Part I http://www.youtube.com/watch?v=ISaHkW0GBgg Astronomical Image Data Reduction with Theli Part II http://www.youtube.com/watch?v=1BEnNSqPJh0 Astronomical Image Data Reduction with Theli Part III http://www.youtube.com/watch?v=ih400HqRaYQ How to install Linux and Theli on your Computer http://www.astrophotocologne.de/astroph ... lation.pdf Some more Infos in the CCD or DSLR Section of the Forum. CS Frank Post Extras:       Pages: 1 | 2 | (show all)

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