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  1. Open PHD Guiding - Google Groups

    Welcome to the Open PHD Guiding (PHD2) forum, telescope guiding software for astro-photographers. To get help with PHD2, please upload your log files - here's how: How to ask for help with PHD2.

  2. Is there some "PHD2 for AM5 (and similar)" info available?

    Aug 9, 2023 · As I've mentioned before, the oscillation continues even after PHD2 guiding is completely stopped, even the program itself completely stopped. I assume there is something which starts this …

  3. Help Needed with PHD2 Log Data - Google Groups

    Mar 11, 2021 · One last question; In the first Declination graph there seems to be about 20 pulse commands per minute coming from my PHD2 software to the AVX. How is this frequency …

  4. PHD2 Guiding Assistant recommended min-move settings

    Apr 5, 2019 · Hi Davor, good question. But before I answer it, I want to encourage you to send us at least a guide log when you want to know something about a guiding session. Screen snapshots don’t …

  5. PHD2 guiding issues in RA - Google Groups

    Aug 6, 2025 · Hi I'm seeing occasional large spikes in RA during guiding, peaking > 40", while DEC looks okay. I'd love to get some guidance on likely issues, thanks in advance. The mount is an EQ6 …

  6. Starsense Autoguider (SSAG) with PHD2 - Google Groups

    Sep 22, 2024 · The initial PHD2 set-up screen says that at minimum PHD2 needs to know what guide camera I'm using and what mount interface is being used. I am using Celestron's StarSense …

  7. Understanding Gain Setting Parameter in PHD2 for my ZWOASI120MM-S

    Apr 5, 2022 · I'd like to get an understanding of how the camera gain parameter works in PHD2 so I can optimize or improve SNR on guide stars especially using the Multistar guiding feature.I realise seeing …

  8. Recommendation for DEC guiding algorithm for strain wave mount?

    Nov 13, 2024 · My best guiding ever on a Rainbow135, for instance, was using StarAid doing 5 corrections a second. I tracked its performance with PHD2, using much longer exposures, but …

  9. Backlash / Stiction or Mechanical issue - AVX Mount

    Oct 11, 2024 · If you want to use PHD2 as a diagnostic tool, you should probably go back to the very basics and use the 'Star-Cross' test (Tools menu). This will provide a clear visual picture of how the …

  10. Backup PHD2 settings and restore to another computer?

    Apr 4, 2017 · Hello, I have reloaded a new computer and am wondering if there is a way to back up the existing PHD2 settings from computer A and copy them to computer B without having to set …