https://bugs.kde.org/show_bug.cgi?id=465059

            Bug ID: 465059
           Summary: sudden huge deviations in guiding
    Classification: Applications
           Product: kstars
           Version: unspecified
          Platform: Kubuntu
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: mutla...@ikarustech.com
          Reporter: astroga...@westnet.com.au
  Target Milestone: ---

Created attachment 155803
  --> https://bugs.kde.org/attachment.cgi?id=155803&action=edit
The charts have been assembled to show my view of the events.

SUMMARY
***
Kstars Version 3.6.3 Beta
Build: 2023-01-30T13:18:19Z
***
Guiding and capture was stable  - attachment 1
Guiding jumped by about 175 arc seconds in 30 seconds - attachment 2
Earlier I had alignment issues so had turned on Alignment Logging, but that log
didn't help the other issue - attachment 3
STEPS TO REPRODUCE
1. Changing viewing screens between Guiding, CCD and setup have often caused
guiding instability sometimes just a bump.. or a crash.
2. The mount and outside equipment are on a capable battery with filtered AC
charging and earth bonding. Data is 30 metres via ethernet.
3. Remote 64 bit Indi has seen RPi 4B-4G replace the RPi3B and now run Kubuntu
inside.

OBSERVED RESULT
No Change observed, still have setup and operational issues

EXPECTED RESULT
The issues are not passive as when the guide stars are lost, there is extreme
motion involved.

SOFTWARE/OS VERSIONS
Operating System: Kubuntu 22.04
KDE Plasma Version: 5.24.7
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3
Kernel Version: 5.15.0-58-generic (64-bit)
Graphics Platform: X11
Processors: 8 × Intel® Core™ i7-3770 CPU @ 3.40GHz
Memory: 31.3 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 680/PCIe/SSE2

ADDITIONAL INFORMATION
I have compared a Unihedron SQM graph of the night and although it closely
follows your sky quality reading. this time it didn't.

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