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Hello, As an old car mechanic, my suggestion to track down subtle movement would be to use your fingers placed on/across adjacent parts to feel for any movement while rocking the unit. P.S.: Rocking

I would agree with that, on my pier I do have the center bolt but also have 6 others spaced out further.

Just a thought… The ‘Drawing Needed’ thread implies that the pier adapter is attached using a single bolt through the center 0.50” thru hole. You might instead want to use 3 bolts through 3 of

Hi Ray, That makes perfect sense. Just a suggestion: maybe you can implement in PEMPro a monitor that would detect a star that is exactly the same brightness for minutes at a time, over multiple

You mean to tell me this program has trouble chasing the centroid of an artificially bloated star that is already scintillating due to poor and variable seeing conditions and a mount with periodic

The second video suggests that the wobble is coming either from the adapter base to flat pier plate connection, or the flat plate to pier connection. I think I’d take a close look at those

Hi George, Thanks for posting your log file. The possible reason for the jagged graph is that PEMPro selected a star that is extremely saturated. I can tell, because in your log the star brightness

That is somewhat heartening, oddly. The reasons I bought a mount I can work on (very inexpertly) and whose electronics can easily be separated from the rest of the mount might be? playing out. I am

Hi George, Attached are some pics of the gearbox internals and their respective periods (courtesy Mr. Fujita). None of the gears appear to have a rotational period aa fast as the errors you are

George, I've never seen this behavior before. If you try swapping the gearboxes and still get the same result (and also try swapping servo cables, if you can), I'd start suspecting Gemini controller

Russ, From my view it shows pressing against the top of the pier, below the mount.? When that pier flexes (slightly distorts) this adds energy into the mount above using its inherent inertia to

The only thing I can think of is to disassemble the whole ALT/AZ portion of the mount and look for loose screws. There are several Allen head bolts that hold the slotted ALT risers up from the bottom

I would add each component to see where the wobble is being introduced. Then you can investigate that component to see what's causing the issue. Otherwise, you are just guessing [email protected]>

No but I should have. Tested after putting scope back on but I did verify a few times every single bolt throughout the system was very tight.

Did you test the wobble after adding each piece to identify where it starts [email protected]> wrote: -- Matter tells space how to curve. Space tells matter how to move Ford Amateur Astronomy Club

Agree. I removed everything down to the pier. Tried to rock the pier but it was solid with no movement. I then attached the G11G base adapter to pier, then the RA extension, then the G11G and finally

Its really hard to tell from the video. Remove the scope and take the G11G off the pier.? Go through and tighten all cap screws.? You should also remove the bottom mounting plate and check the 4 cap

Attaching a better video. Does your permanent scope wobble?

Apologizes, not sure the video is really helping you see the movement (I am applying very little pressure) but the whole mount is actually wobbling.