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There are many potential issues with used mounts and even more with the now classic Losmandy straight line drivetrain with the 2-piece worm bearing blocks.? There are several places where issues can

Thanks John. I bought the mount used but it had never been opened or set up.? It came from company seven and I was told they test each mount.? The motors are not tucked. I was just outside with it

Hi Tom, The RA extension should not have changed anything, but you might just want to eliminate that as a potential source. If you have the tucked motors, your mount is probably at least 10 years or

I guess I can use my absolutely trouble-free, works perfectly every time, never misses a beat, skywatcher eq6-r pro while I am trying to diagnose the finicky losmandy g11g. So the first thing I'll try

It's a complex hobby.? Losmandy doesn't do nighttime testing so you are more likely to find the issue than they are and think of all the fun we'll be having! . -- Chip Louie Chief Daydreamer

On Wed, Jan 29, 2025 at 04:07 PM, Paul Kanevsky wrote: > > On Wed, Jan 29, 2025 at 07:03 PM, Brian Maynard wrote: > >> My less than a year old G11T in my observatory (climate controlled) has >>

Thanks guys.? Do you think I would just be ahead to send the mount into Losmandy and let them figure it out?? I could have them do the tucked in motors at the same time.? I'm not sure I am

Hi Tom, I looked at your guide log with PEMPro Log Viewer and I see this log has multiple runs one after the other. So I am not sure which you consider having the problem and which are good. Attached

On Wed, Jan 29, 2025 at 07:03 PM, Brian Maynard wrote: > > My less than a year old G11T in my observatory (climate controlled) has > been idle for a few weeks. Its just been too cold for me. So the

I'd try to collect a few worm-cycles of autoguider data with actual corrections disabled -- just tracking on a star. Do this from both sides of the mount, and we can then see if the issue is

My less than a year old G11T in my observatory (climate controlled) has been idle for a few weeks. Its just been too cold for me. So the other night I was ready for some imaging. Everything started

Paul, I moved the CW after the flip to keep the east bias.? I did not do that last night, I did it the night before.? I have the log but the guiding was just as bad.? What do you think I should

Thanks, Tom. You can use PHD log viewer to review the results of this log. When you say you adjusted it, what did you do? The weight needs to be re-adjusted after flipping to the other side of the

Thanks for all the advice.? I really appreciate it.? The asiair does provide a PHD2 guide log.? I am completely unfamiliar with it.? It is a text file with a lot of text.? I will attach it.?

One last point: Make sure the scope is pointed at least 30 degrees above the horizon in both orientations (pointing east, pointing west). That will take out any effects of refraction. Mark C

Thomas, *After* the merdian flip the DEC and RA behaviors were consistent, about 0.5 arc sec. That is what you'd expect - seeing limited performance. People pay thousands more than you did to get

I'm sorry to hear of these problems.? So your guiding problems started after the installation of new parts and the issue has been going on for months and so far nothing you have done since has

Hi Tom, You will need to connect a laptop to your mount to run PHD2. The guide logs then appear in the Documents folder, which is what is needed. The apps I mentioned will only work with PHD2 files

John, I have not used PHD2.? I've only used the asi air.? I don't know if the air produces a detailed log.

On backlash it makes no difference to how well the mount gets adjusted, the Losmandy mounts were designed with some slack in the system. It is just slack that needs to be taken up before anything