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"Aborting Autoguide" issue with external lin_guider

  • Posts: 48
  • Thank you received: 7
Hello.
I am using the latest Ekos by "apt-get upgrade".
When guiding with the external lin_guider, shooting aborts every single shot.

It is a guide log right after aborting.
2017-05-23T12:33:10 Autoguiding aborted.
2017-05-23T12:33:09 Exposure timeout. Aborting Autoguide.
2017-05-23T12:33:06 Exposure timeout. Restarting exposure...
2017-05-23T12:33:04 Exposure timeout. Restarting exposure...
2017-05-23T12:33:01 Guiding resumed.
2017-05-23T12:33:01 Dithering completed successfully.
2017-05-23T12:32:06 Autoguiding started.

Exposure processing is running in the external guide.
Is this a correct process?
6 years 10 months ago #16923
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You could try reducing the pixel distance of the dither. Between 2 and 4 should be sufficient. You could also increase the size of the box containing the guide star to be twice the diameter of the dithered pixel distance.
Skywatcher 190MN - EQ6 Pro (with Belt Mod) - ASI1600MM-Cooled - ASI EFW7 - ASI120MM - WO f4 Guide Scope - Rigel nStep - KStars/Ekos - KDE - PixInsight
6 years 10 months ago #16926

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thank you for the advice.
It helps me a lot.

Sequence aborting still occurs.
  • Set to use external lin_guider.Internal guider is not used.
  • Make a shooting sequence. (Ex. Exposure 15 sec, Count 5, Delay 5 sec)
  • Start autoguide and sequence.
  • First shot. success.
  • Dithering execution. success.
  • Suddenly, an image of 128 pixels is taken.
  • Guide is aborted.
  • An image of 128 pixels and a full size image are taken.
  • The sequence is aborted.
why?
What is a 128 pixel imagese?
6 years 10 months ago #16932

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As a comparison, can you guider using the internal guider? (It's very good by the way). I've never used lin_guider so may be coming to the end of my input.

I would suggest turning OFF the dithering to measure the capture peculiarity.

The only 128 pixel reference I've seen is the option to select the 'Use Image Guiding" feature in the Guide Settings section of the Options.
Skywatcher 190MN - EQ6 Pro (with Belt Mod) - ASI1600MM-Cooled - ASI EFW7 - ASI120MM - WO f4 Guide Scope - Rigel nStep - KStars/Ekos - KDE - PixInsight
6 years 10 months ago #16934

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Hi kcobby. thank you for advice.

I know at OAG that a small communication delay over the network worsens the guide.
Therefore, I use external lin_guider.


I turned off dithering and tried it.
The sequence ended normally without being aborted.

I think that it is strange what to shoot a 128 pixel image.
I do not know what is the correct behavior.
Is this a bug?
6 years 10 months ago #16956

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If the issues can be replicated you should submit your appraisal along with the debug / log file in the appropriate forum thread.
Skywatcher 190MN - EQ6 Pro (with Belt Mod) - ASI1600MM-Cooled - ASI EFW7 - ASI120MM - WO f4 Guide Scope - Rigel nStep - KStars/Ekos - KDE - PixInsight
6 years 10 months ago #16958

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