https://bugs.kde.org/show_bug.cgi?id=381543
Bug ID: 381543
Summary: Mount slewing during exposure
Product: kstars
Version: unspecified
Platform: Other
OS: MS Windows
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 106238
--> https://bugs.kde.org/attachment.cgi?id=106238&action=edit
KStars log
This is in KStars 2.7.8 for Windows.
While testing meridian flip, I observed Ekos initiating an exposure while the
mount was still slewing.
(timestamps kept in UTC)
Scenario is:
- Track alpha Coma Berenices, RA=13.1804 DE=17.4407, starting at 18:53
- At that moment, alpha Coma Berenices is 6 minutes from the meridian
- Setup 8 exposures using the Ekos Scheduler, uncheck Track, Focus, Align,
Guide, Alt and Twilight, using prepared sequence of 1x120s exposure, meridian
flip if HA>0.
- Start scheduler, and wait for the meridian flip to occur and check Ekos
behavior
Observed:
- 19:00:33 At the end of the second exposure, Ekos sends new coords to mount
because the HA exceeds 0 (0.02h)
- 19:00:37 Ekos restarts exposure, but mount is not done slewing (exposure is
therefore being corrupted)
- 19:01:31 Mount finishes meridian flip
- 19:02:37 At the end of the third exposure, Ekos sends again new coords to
mount because the HA exceeds 0 (0.05h), apparently the previous meridian flip
wasn't taken into account
- 19:02:38 Mount is done slewing
- 19:02:41 Ekos restarts exposure
To summarize, first flip request is not waited for, and an unexpected second
flip request occurs, which is waited for.
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