https://bugs.kde.org/show_bug.cgi?id=430365
Bug ID: 430365
Summary: Guiding RMS Error After Dithering
Product: kstars
Version: 3.5.0
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: general
Assignee: mutla...@ikarustech.com
Reporter: mountainai...@outlook.com
Target Milestone: ---
SUMMARY
With stable ~1 arcsec guiding and the capture module set to abort at > 2" Total
RMS, EKOS will repeatedly abort capture because it calculates Total RMS" wrong
after dithering (sometimes getting a value of 15"). For larger Total RMS, the
guide process itself can sometimes lose its guide star and be aborted (this
seems worse in 3.5.0).
STEPS TO REPRODUCE
1. Begin guiding, with the configuration set to dither every 5 frames.
2. Begin capturing. Set the module to short capture when guiding deviation is
> 2
3. Wait for the dither to happen.
OBSERVED RESULT
Total RMS climbs very high in the capture module, and it aborts. In the
guiding module, it never seems to get that bad (though I will try to verify
this the next time out).
EXPECTED RESULT
Total RMS" should not significantly change Total RMS, as the positional change
is intended. Find a way to exclude dithers from the calculation.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma:
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version:
ADDITIONAL INFORMATION
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