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Yes! The RA divisor determines how many steps per second are executed during tracking. This is used to divide a 12MHz clock, so, for example, a divisor of 1000 would generate 12,000 steps per second.

Thanks to all for your insights.? Since this is not interfering with my astrophotography, I presented it only as a curiosity. Before doing anything else I want to (1) re-test it, and (2) re-test

A 1' error in PA would lead to a worst-case error of 2' per 12 hours or 10" per hour.? Your error rate looks more like 80" per hour. The accuracy of the RA and DEC axes is probably about 2' so 20"

Hi Michael, It could still be flexure causing the RA drift. Near the meridian flexure contributing to drift on the declination axis does not change quickly, so Dec drift is not introduced. However,

Michael, a few things that could account for this: altitude (tracking at or below around 30 degrees over the horizon), flexure or differential flexure, or polar misalignment. If you had PEC turned on

Michael I use a commercial autonics timer/counter(s) and diy interface opto cutter disc cct to start and stop time count after a preset number of revolutions (counts). Obviously this is not on the

It's a Gemini-2, just a year old.? I do have a timer-counter which I can calibrate against WWV.?? I hope I don't have to get that deep into it...

Michael, First question. G1 or G2? If a G1. ?It’s possible to be off in Ra, usually fast! ?It’s caused by a bad PLD IC not reading “all” encoder pulses arriving, so it speeds up the Ra to

I think I have determined the problem with the worm adjustment. My RA has bolts instead of studs and nuts holding the worm block. When you tighten down on the vertical screws to adjust the worm, they

Puzzler for the day... The other night I decided to use PHD2 (well calibrated) to check how well my GM811G tracks without guiding corrections.? The guidescope was an iOptron iGuider bolted to the

Parallel progress, we both have a new perch. I just set this up now around noon, I looked at the shadow and panicked, it was nowhere near solar noon of 1 month ago, I panicked, then I realized the

Another update - my plan for getting close polar alignment worked pretty well!? I did the solar noon thing to mark a line in the yard going due North.? Then lined up the bolts on my foundation with

Just me,? If your weather just turned colder, like mine did, I'm going with adjustment of the RA worm.? That was my problem, Yes my RA motor stalled from the CWD position and I have the Losmandy

Oh, I forgot to say that with an Eagle pier and Nexus DSC all you really need is the adapter to use a Losmandy GM8 or G11 on the Eagle and an old GM8s mount. Update the saddle to the newer 4" D/V

Both the Nexus II or Nexus DSC can be used with encoder equipped GM8s, G11s, G

https://i.imgur.com/EbGnzHm.jpg Ok, there it is.? If the forecast holds out, I'll be giving it the maiden voyage tonight.? I've used the mount before, just the first time with the pier.? Its all

Paul, I removed the C14 and put my C9.25 on the mount and it seems fine now. Maybe I just overloaded it for the power supply. I have an 18V 4 Amp power supply ordered but I may just leave the C9.25 on

What you want to see is what voltage is available at the time of the stall. The power supply may not be able to supply the current or maintain the voltage under load. It sounds like you have a pretty

Power supply was checked with a multimeter and it is 13.8 volts at the Gemini.

I have wondered about the power issue. I have a C14 with a Hodemeyer cradle and the weight is pushing 70 lbs. I currently have 67 lbs of counterweights to acheive balance.