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INDI Library v2.0.6 is Released (02 Feb 2024)

Bi-monthly release with minor bug fixes and improvements

Issue with Polar Alignment

  • Posts: 32
  • Thank you received: 3

Replied by ADAM on topic Issue with Polar Alignment

I have the same WCS problem, but this is an error and not a warning.
Curiously the first 2 captures of the PA process work.
It is during the third capture that the error message appears.
I tried with astrometric resolution online, but the problem persists.
6 years 7 months ago #18261

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Replied by Kalle on topic Issue with Polar Alignment

I have the same problem too. Error happens after third capture if "FITS limited resources" is checked. If it's unchecked Polar Alignment goes never ending loop when it's trying to capture&solve first image. I think I've tested all combinations with FITS, Solver and simulator camera WCS settings. Nothing works. Any idea what is going on?

This happens with the latest master branch and it has been like that at least 2 months. Same thing with simulator and my real equipment.
Configure KStars -> FITS -> Limited recources checked
--------------------------------------------------
 
2017-10-29T11:27:26 Error: Failed to load WCS data in file: 
2017-10-29T11:27:26 WCS data processing is complete.
2017-10-29T11:27:26 Please wait while WCS data is processed...
2017-10-29T11:27:26 Solution coordinates: RA (22h 58m 49s) DEC ( 89° 20' 05") Telescope Coordinates: RA (22h 57m 24s) DEC ( 89° 19' 53")
2017-10-29T11:27:26 Solver completed in 3 seconds.
2017-10-29T11:27:23 Starting solver->..
2017-10-29T11:27:23 Image received.
2017-10-29T11:27:18 Capturing image...
2017-10-29T11:27:14 Mount second rotation is complete.
2017-10-29T11:27:08 Please wait until mount completes rotating to RA (22h 57m 24s) DE ( 89° 19' 53")
2017-10-29T11:27:04 Solution coordinates: RA (00h 58m 40s) DEC ( 89° 19' 56") Telescope Coordinates: RA (00h 57m 24s) DEC ( 89° 19' 53")
2017-10-29T11:27:04 Solver completed in 3 seconds.
2017-10-29T11:27:01 Starting solver->..
2017-10-29T11:27:01 Image received.
2017-10-29T11:26:56 Capturing image...
2017-10-29T11:26:51 Mount first rotation is complete.
2017-10-29T11:26:46 Please wait until mount completes rotating to RA (00h 57m 24s) DE ( 89° 19' 53")
2017-10-29T11:26:35 Solution coordinates: RA (02h 58m 05s) DEC ( 89° 19' 48") Telescope Coordinates: RA (02h 57m 24s) DEC ( 89° 19' 53")
2017-10-29T11:26:35 Solver completed in 3 seconds.
2017-10-29T11:26:32 Starting solver->..
2017-10-29T11:26:32 Image received.
2017-10-29T11:26:27 Capturing image...
Configure KStars -> FITS -> Limited recources unchecked (auto wcs unchecked also)
--------------------------------------------------------
2017-10-29T11:13:45 Capturing image...
2017-10-29T11:13:45 WCS info is now valid. Capturing next frame...
2017-10-29T11:13:45 WCS data processing is complete.
2017-10-29T11:13:45 Please wait while WCS data is processed...
2017-10-29T11:13:45 Solution coordinates: RA (14h 59m 57s) DEC ( 15° 00' 07") Telescope Coordinates: RA (15h 00m 06s) DEC ( 15° 00' 03")
2017-10-29T11:13:45 Solver completed in 2 seconds.
2017-10-29T11:13:43 Starting solver->..
2017-10-29T11:13:43 Image received.
2017-10-29T11:13:38 Capturing image...
2017-10-29T11:13:38 WCS info is now valid. Capturing next frame...
2017-10-29T11:13:38 WCS data processing is complete.
2017-10-29T11:13:38 Please wait while WCS data is processed...
2017-10-29T11:13:38 Solution coordinates: RA (14h 59m 57s) DEC ( 15° 00' 07") Telescope Coordinates: RA (15h 00m 06s) DEC ( 15° 00' 03")
The following user(s) said Thank You: MichaelperPG
6 years 3 months ago #21517

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How are you testing from master branch? You're compiling it yourself?
6 years 3 months ago #21518

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Replied by Kalle on topic Issue with Polar Alignment

Yes. I'm compiling it myself.

I did some more testing. I removed compiled version and installed latest kstars-bleeding with apt-get. Polar Alignment works perfectly! Then I removed that and compiled latest master branch again. PA is still broken but everything else is working. So probably I do something wrong when I compile it. I use these instructions for compiling: indilib.org/forum/general/210-howto-buil...st-libindi-ekos.html
6 years 3 months ago #21520

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The instructions are OK and I am compiling from master here but I don't see any issues.. so something else is amiss.
6 years 3 months ago #21529

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Replied by Helge on topic Issue with Polar Alignment

Dear Jasem,

tried tonight the polar alignment first time. All seemed to work well, until solving the third image, following which received error message "Error: Failed to load WCS data in file: No world coordinate systems found." After that, process got aborted, only option left was a restart, resulting in same issue.

Please see also log file, started process at time stamp 20:48:14:530, error message at 20:51:28:827

I also noted this message at 20:52:45.011, but did not know what to make out of it: ZWO CCD ASI071MC Pro : "[WARNING] World Coordinate System is enabled. CCD rotation must be set either manually or by solving the image before proceeding to capture any frames, otherwise the WCS information may be invalid. "

Can you help?
6 years 2 weeks ago #24178
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Actually, WCS creation never worked in your case. It was ignored until the 3rd image. Maybe this is a Windows only issue, I will test soon.
6 years 2 weeks ago #24183

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Please try to use this KStars version and attach the log regardless of the result.
6 years 2 weeks ago #24186

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Ok the above might not work.. there is problem with WCS under WIndows so I have to investigate that.
6 years 1 week ago #24189

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Replied by Helge on topic Issue with Polar Alignment

Dear Jasem,

Thanks a lot for taking care, I have downloaded the update anyway, which already fixes some other, minor things.

Btw: I also encountered in my last session some “looping” in the capture & solve routine for the regular alignment, also the Internal Guider aborted after 35 iterations for RA Reverse. My assumption was that it did not work due to lack of polar alignment. I guess it is probably best to resolve one by one.

Best and thanks once again,

Helge
6 years 1 week ago #24212

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Can you check settings --> FITS. Is "Auto WCS" checked or not? It needs to be checked. Hopefully that is the problem.
6 years 1 week ago #24233

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Replied by Helge on topic Issue with Polar Alignment

Dear Jasem,

I had a look - indeed Auto WCS was not checked. Now I have ticked the box, and wait for clear skies!

Really appreciate.

Best, Helge
6 years 1 week ago #24240

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