Posted 26 May 2016 - 03:12 PM
I see in your picture, you have a 'rat-cage' on your pier. That kind of construction was the cause of unexpected vibrations in my mount...
I solved it by filling the threads up with nuts and keeping the topplate as close to the pier as possible.
Mount: DDM85 Standard 12V ; Telescopes: TEC140 + 140FF + Quad TCC ; Celestron RASA; TMB 92SS + 27TVPH Cameras: ZWO ASI 174MM cool; SBIG STF8300M; ATIK4120EX; TRIUS SX-36
Filters: Astronomik and Baader NB + RGB; Lunt double stack 75 mm unobstructed signature series + BF 3400; Dutch weather and light polluted skies.