|
Are the star trails all in the same direction? This could quite possibly be differential flexure between the guidescope and imaging scope.
Do you notice a point on the guide graph where things start to go bad or worse than a previous point?
This is likely not a mount limitation.
Since you are using a Newtonian, the camera hangs off the side, so do you notice these subs go bad, only when pointing at a particular declination in the sky? (thinking of focuser flex and mount balance).
A 60mm guide scope (is that the focal length) wont be able to guide near the resolution of the imaging scope.
HTH, Josh
|