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Old 01-11-2021, 08:39 PM
Startrek (Martin)
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Startrek is offline
 
Join Date: Dec 2017
Location: Sydney and South Coast NSW
Posts: 6,639
Quote:
Originally Posted by Drac0 View Post
Must have been a night for guiding problems. Mine would work well for 10-15mins then DEC would go haywire. Thanks for the pdf files Martin, will look into them.
A couple of thoughts on the issue which are in my docs -

Are you using ST4 guiding ( guide camera to mount ) ? If so , ditch it and use Ascom pulse guiding ( guide camera direct to laptop) enables you to guide on both sides of the meridian without issue, allows you to save a good Calibration for reuse over months and months , easier to analyse and diagnose PHD2 logs

Check Backlash and Stiction in both Dec and Ra , worms may need adjusting ?

Ensure you achieve good calibration at Dec 0 ( Calibrate near celestial equator and close to north meridian)

Check balance in both Ra and Dec

How’s your Polar Alignment ? Under an arc minute ?

Run the Guide Assistant in PHD2 , it may pick up the problem

Cheers
Martin
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