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

Bi-monthly release with minor bug fixes and improvements

Alignment starts before mount is finished slewing

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Very interesting Chris. A lot of this is above my head though. What exactly is inditelescope? Is it the way Ekos reads the mount?
4 years 10 months ago #39180

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Developer speak. inditelescope.cpp and inditelescope.h are the source code files that provides much of the basic functionality of the telescope driver. Ekos will use these to control the telescope.
4 years 10 months ago #39181

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Hi Chris,
I experience the same problem form time to time, but not too often. Please be so kind and post the entire log file. Maybe I can drill the problem down.

-Wolfgang
4 years 10 months ago #39228

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Thanks, Logs attached.
Log_19-18-42 is the one which contains the log fragment that I posted earlier, there are several bad image collections starting at 22:44:04 with a good one at 22:43:30. This has Ekos running on my Windows 10 laptop and indiserver remotely on my rasPi.

Log_21-26-35 has errors at about 23:35, 23:36:57 and 23:37. That's the times I noticed bad images. This is running Ekos on the RasPi. This log seems remarkably uninformative, apart from a vast number of phonon reports, no idea why.

The windows log gives chapter and verse about versions, the RasPi log doesn't, I'm running 3.2.2 at present but not sure if that was the case when the log was collected.

Hope this helps, Chris

File Attachment:

File Name: log_19-18-42.txt
File Size:307 KB

File Attachment:

File Name: log_21-26-35.txt
File Size:1,280 KB
4 years 10 months ago #39234
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OK, at least we could see now what happens:
[2019-04-21T22:44:04.710  ][     org.kde.kstars.ekos.align] - "Slew complete. Target accuracy is not met, running solver again..."
[2019-04-21T22:44:04.822  ][           org.kde.kstars.indi] - Celestron GPS :  "[INFO] Slewing to JNOW RA 11:21:13 - DEC 12:53:15 "
[2019-04-21T22:44:06.233  ][     org.kde.kstars.ekos.align] - "Capturing image..."
[2019-04-21T22:44:06.354  ][           org.kde.kstars.indi] - Astrometry :  "[INFO] Astrometry solver is enabled. "
[2019-04-21T22:44:06.406  ][           org.kde.kstars.indi] - Atik 383L :  "[INFO] Taking a 5 seconds frame... "
[2019-04-21T22:44:12.242  ][           org.kde.kstars.indi] - Celestron GPS :  "[INFO] Slew complete, tracking..
  1. The Align module thinks the slew is completed
  2. 122ms later the mount starts to slew
  3. The Align module starts capturing
  4. ~5sec later the mount finishes the slew.

It's obvious, that this leads to star trails.

OK, let's see whether I can find the problem. At least, we are closer now...

- Wolfgang
4 years 10 months ago #39237

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I have this issue as well. 10Micron 1000HPS. Using the mount model section, create a list. Sometimes the mount stops and takes a nice solvable photo other times I get star trails and the solver keeps spinning forever. I found that if I press the "pause" button and then the "play" button, it tries again and this time of course the mount is tracking and it solves fine.

Looking at the last post before mine... 5 months ago?

Any luck tracking this down Wolfgang?
Last edit: 4 years 5 months ago by Micheal Fields.
4 years 5 months ago #45154

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I experienced the problem recently as well. Not sure whether there was a fix that is broken again. I will check...
4 years 5 months ago #45156

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Thank you! It's driving me crazy.
4 years 4 months ago #45171

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If you see this happening simply press "Stop" in the Align tab. This automatically forces a new capture and a restart of the plate solver.
4 years 4 months ago #45173

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Stop doesn't work. It quits the whole process. When doing modeling I need it to be automated. What I have had to do is press "pause" instead. This stops the current plate solve and then I press "play" and it does it over again. It's a way around the problem but not worth my effort. I don't mind testing to help developers squash bugs but I don't want to switch over to Raspberry / ekos /indi until things like this are resolved. I honestly need to learn to code. I have so much free time but it seems overwhelming to pick it up at my age.
4 years 4 months ago #45178

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I think I found the problem: in some situations, slewing is started before a sync succeeded.

When this happens, the Align module takes the IPS_BUSY as an indication that the mount has already started to slew. But this is wrong, since the IPS_BUSY stems from the syncing action that has not completed. After the sync command succeeds, it answers with an IPS_OK and the Align module thinks that the slew is completed - which is wrong. As a result, capturing is started while the mount slews.

I will try a fix...

- Wolfgang
The following user(s) said Thank You: Alfred, Micheal Fields, Craig
4 years 4 months ago #45183

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Let me know if you would like to remote to my system and apply the fix and try it. I can give you the teamviewer access. Keep in mind I am in Southern California so -7 (soon to be -8)

So check los angeles time to make sure it is dark here.
Last edit: 4 years 4 months ago by Micheal Fields.
4 years 4 months ago #45211

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