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Help with interpreting guide log issues

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#1 sonyshooter

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Posted 09 July 2020 - 07:20 PM

Help with interpreting guiding logs.

I have a Celestron CGX mount that is pier mounted.  Recently, I've changed from a Celestron 8SE to an Explore Scientific ED152 CF refractor on that mount.

When I had my 8SE on the mount, my guiding was always under 1.

Now, with the ED152 CF, I struggle to keep it below 2.\

It is polar aligned with a Polemaster and I've rebalanced it twice to try to settle down the guiding, but still it is very erratic.
I've attached my log file, drift analysis and frequency analysis from a 5 1/2 hour guiding session last night on Bode's Galaxy (M81). 

I'm trying to identify the issues that I need to correct, but am not familiar with how to interpret log file results as I haven't had an issue before.

Any help to interpret what may possibly be going on would be appreciated.

Thanks,

Scott

 

07_08_20 Log file window.JPG

07_08_20 Log file window drift analysis.JPG

 



#2 sonyshooter

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Posted 09 July 2020 - 07:22 PM

Here is the frequency analysis, it was too big to attach to the original post.

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  • 07_08_20 Log file window frequency analysis.JPG


#3 imtl

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Posted 09 July 2020 - 09:35 PM

You should post your actual log file and not screen shots. I can barely see the numbers in your images.

 

If you are referring to the spikes in RA that you get it could be several things. Check for cable snag.


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#4 sonyshooter

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Posted 10 July 2020 - 07:30 AM

I tried to upload the log file, but it failed as it said that it is too big to be attached.




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