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Hi I'm not sure if it will help but i wanted to share my observations from last night which might help fix the issue for you too. First my setup: G811G with Gemini-2 - East Limit (ESL): 99.0 - West

Here are the Pempro files

Edward - have you used the new Smart meridian Flip yet?? How do you like it? ------------------------ Jim W Phoenix, AZ. USA Losmandy GM811G, NINA 1.11, ASI2600MC Pro, Sky-Watcher Scopes

Peter, I would also suggest setting up some dummy targets during the day to watch a number of MF while not trying to sleep. What is NINA actually doing when you expected the flip? For example, if in

What version of NINA are you using, what are all of your settings? Mine are fully described earlier in thread. -- Edward

The set screw is supposed to dig into the shaft of whatever it screws into.? If you like, you can file or mill a small flat for it.? It is the bearing that sets the concentricity of the worm, not

David, You may want to post your PemPro file for analysis help. Go to Documents > CCDWare > PEMProV3 > file.ppc. Your screen shots are not looking healthy. Regards, John

Eric, Isolating the cause of these errors is a difficult process I think. Really I need to test different adjustments, configurations, etc during daylight hours. ?I do have a 0.0001" dial indicator,

Here is the results I got with PEMPro.? I really like this program!? Not as overwhelming as I thought. Will have to buy it if I keep the mount. 7 worm Cycles but the results are all over the place.

Peter, I believe the 76 and 80 second PE components are caused by different mechanisms. The 76 second component is the bearing BPFO (that period can be calculated from the bearing specifications),

My NINA flip failed again last night. Could someone please post their settings that are currently working for them. I'm totally desperate? I need my sleep. Please show image of both NINA and Gemini

With a little digging one quickly realizes that problems with the design of Losmandy's worm block goes back 15 years or more. Their solution is the OPW and more recently to spring load it. I feel they

A bit of a long shot, but it could be that your alt lock bolts are too tight.? If there is a lot of tension between the alt adjustment screw and lock bolts, they might stutter/slip slightly when the

Making a new thread here since this is a bit different than the other one - not sure of the etiquette. After Brian's awesome help, I got setup much better last night with the tripod leg facing north.

Ahhh thankyou Peter I'd doubt the slight divisor "point error" would cause it to lag that much Cheers -- Brendan

Ray, Any thoughts what it could be? Peter

Brenden, You had me going there for a while. That number I believe is for Gemini 1. For Gemini II with the gearbox set at 25:1 the divisor is 448771, which I then divided by 5 for the 125:1 gearbox,

This slight difference in RA tracking divisor should not cause much drift. Something else is likely wrong. -Ray

Loasmandy G11 Optec TCF 3si, and 2 in Filter wheel with Optecs filters. Narrow band (Ha, Hb, OIII, SII) image plus LRGB. AP102mm Starfire, ASI6200MM and with Pempro curve for PEC. Guiding was total of

Ummm My calc's for the tracking divisor are different: RA divisor = (1,500,000/prescaler)/(steps per rev/worm period) Steps per rev = 256 x 125 = 32,000 Its a G11 isn't it??? Thus worm period is the