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How fast this drift happens? I looked at code and there SimClock class that seems to handle timekeeping. It use monotonic clock which means when it start it make store current time as startTime and how many milliseconds that monotonic clock show. Then it return time as startTime + elapsedTime from monotonic clock. As far I can tell there should be no accumulation error. Monotonic clock are not affected by change of system time. That mean KStars doesn't reflect on change of system clock.
So only disrepancy between KStars time and real time should come from drift in that monotonic clock. I wrote simple testing program that output difference between monotonic and system clock. Monotonic clock is running 10ms/hour faster than system clock.
Also I let run KStars for few hours and didn't observe any drift between kstars clock and system clock. So that 18 hours drift most likely mean some faulty hardware clock. Because 18 hours drift even over one month period means it drift 90 second per hour. I am pretty sure someone would notice such huge drift.
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A suggestion.
Would it be better to have "All Sky camera management software" as a separate Category on the forum rather than having every single
issue on the one thread ?
We have been getting 100's of updates on this for months on issues that don't have anything to do with original post.
Nick
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It sounds like you only built the core INDI library. You would have had to build the 3rd-party repo to get the additional drivers. I will work on making my instructions less confusing.
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Hello! I resolved it by installing Ubuntu instead of Raspiberry OS. In Rasp the only drive that appeared was the simulator. This time the indi drivers were loaded correctly. Thanks.
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I get the artifacts on the skymap also using both Remmina and TigerVNC.
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When using VNC over the Stellarmate Hotspot, the VNC connection eventually freezes up and the connection becomes unusable. This only happens with the Skymap over the Hotspot using any VNC program. .
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If I connect the Rpi to my home network or the mount's handset's router via WiFi or if I plug an ethernet cable directly into the Rpi, then it works normally - with the artifacts.
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If I can stay away from the Skymap and use only the Ekos and INDI driver pages, then the VNC connection over Hotspot works reasonably well. But once I go to the skymap then the Rpi side freezes and needs to be power cycled.
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I believe this freezing is happening to only the graphics system since ekos and INDI still operate the mount and cameras normally. I just cannot access any controls. I can still SSH normally into the Rpi and run command line tools such as htop.
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Here are screenshots of my focus Options pages. What directory are the log files stored? Is there a checkbox to select to have ekos generate the detailed log files?
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Hi Pramod,
Be good a log (with Verbose+Focus set) when you get another chance.
One thing I've noticed is that sometimes when no stars are detected the graph point will have an HFR = -1 and the graph doesn't always rescale to show the -1 (not sure exactly why) so it looks like the point is just missing (unless you manually drag the -1 into view).
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I am striving to greatly reduce, if not eliminate, my MS Windows installations in advance of October 2025. I really do not want to deal with Windows 11 and forcing it to accept my CPUs. I do not plan to buy 7 new computers to make Microsoft feel secure when Linux runs just fine on all of them. Yes, I have 8 computers today, plus 2 Raspberry Pis, and only 1 is Windows 11 "ready". It happens to be one of the slowest CPUs as well! I have managed to migrate all my non-astronomy computers to Linux without issue. I actually find Pix Insight quite a bit faster now!
I have a StarMaster which uses a rather old Sky Commander and Star Tracker hardware made by Sky Engineering. There is an ASCOM driver for this. It was developed by an individual, not a company. As I see it, I have two options.
1. Replace the Sky Engineering boxes with OnStep hardware. This seems quite doable, but far from trivial.
2. Figure out a way to "use" the ASCOM driver.
I will probably continue to run some favorite tools in Wine like SkyTools since I think I'm willing to give up that program being able to directly issue goto commands.
At this point I am gathering options so all crazy thoughts are welcome.
Mark
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Hmmm.
Humidity is NOT a problem at this time of year in Arizona. But I don’t have a better explanation for why this might be failing. I suppose this contact spray might be worth a try.
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An example from this evening:
Computer clock: 23 Apr 20:30
KStars: 23 Apr 02:35
This is worse than a water clock. More like a hamster wheel, with a sleepy hamster.
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I modified the train so the guide device is set to "--".
It was previously set to "Mount".
Thanks to both.
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