View Single Post
  #2  
Old 12-10-2007, 08:30 AM
[1ponders]'s Avatar
[1ponders] (Paul)
Retired, damn no pension

[1ponders] is offline
 
Join Date: Nov 2004
Location: Obi Obi, Qld
Posts: 18,778
Periodic Error: Regular (periodic) fluctuations in the movement of your Right Ascension axis due to mechanical imperfections in the worm and worm gear.

Periodic Error correction: Some mount electronics can be adjusted to take into account the mounts PE and perform a correction to that error.
Reply With Quote