Loosing Lock on guide star.

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Bob Hughes

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Apr 24, 2026, 4:50:05 PM (11 hours ago) Apr 24
to Open PHD Guiding
After letting PHD2 auto select a guide star, I'll start guiding. After a number of guide cycles, PHD2 looses lock on the guide star for some reason. In looking at the star and it's profile, it looks like a perfect guide star. Increasing the exposure time from say 3.5 sec to 4 or 4.5 seconds helps. However it will still loose lock. Stopping the guiding and selecting only a single guide star manually, seems to work better but still PHD2 will loose lock. 
Let me now if any of you have any ideas on this, please post.
Thanks, Bob Hughes, Cave Creek, AZ

Brian Valente

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Apr 24, 2026, 4:51:51 PM (11 hours ago) Apr 24
to open-phd...@googlegroups.com
Bob

Please upload your guidelogs: https://openphdguiding.org/getting-help/

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