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Alan, I tried to search on “forward lash” and all I got was links to custom eyelash extensions !? What physical cause are you describing with this term? -- Edward

Allen, You can set the step size on he brain/algorithm form. Default is 500ms. Are you imaging or viewing with this scope. I have a 12" F4 truss Newtonian. I figure with all the added gear for imaging

Think I've cracked and eaten this nut. Here is what I did: 1. Renamed the observatory to Sheep Field Observatory. 2. Replaced the two thrust bearings. The ring gear now moves much more easily when the

John, Alignment was not an issue with the third bearing. I estimate the shaft if 3-5 thou undersize. I think this was done intentionally by Losmandy for various reasons. Chrome plating might be an

Alan You are thinking it's a software conflict. Your mount is selected in Stellaium as ASCOM and your chooser comes up. Make sure that shows the correct mount type. If it defaults to Titan, I think it

OK, it happened again.? This time, that PHD2 checkbox was clicked. All I did was GOTO (under stellarium) a nearby star to center in the field of view for focusing. Then the mount started running away

Peter, If I am understanding what you are doing here you now have 3 bearings with less play replacing the looser original 2. Each of the new bearings has less freedom for the shaft to rock up and down

On Sat, Jul 17, 2021 at 04:36 PM, <pcboreland@...> wrote: > > I think I may have discovered something interesting regarding why it is so > difficult to both reduce and get a consistent backlash

Peter, Glad to read your last posting, not your "hit by lightning" obituary! What a story! You may need a lightning rod near your observatory. On to the question: why does your clutch force affect

Eastern position: 100 Western position:112 Western Goto Limit 2:18

Alan, This really sounds like the issue I has 3 years ago when the Beta ware was created. I had runaway slews when GoTo commands were sent from SGPro. At that time I recall sending my Gemini logs to

I think I may have discovered something interesting regarding why it is so difficult to both reduce and get a consistent backlash value for Dec. First, while out in the field disassembling my mount

I used one of those cheap $3 mini laser pointers at the hardware store, designed to make a spot for harassing / entertaining your pets.? It's about 3/8" diameter and 2 inches long. I used a binder

I doubt there is a hardware problem Both motors slew when this happens Stellarium keeps reporting the crosshair position as it goes flying off, so the mount is clearly "telling" it that it's doing so

Show a screen shot of PHD with these oscillations, and I can tell you. It could be "forwards-lash" from a too tight worm mesh. Or axis stiction.

The way to tell if you are getting good guiding or not is to see if the mount responds to corrections. Since you still left the corrections checkbox turned off, I don't know.

Change the y axis to +/-4” and it will look much smoother! Seriously though the RMS pixel values are only 1/3 or 1/5 of a pixel, so even if there are some variations in RA I don’t think it will

From the picture it appears that you're getting 0.28 rms. Is that right? The best I've seen is 0.38 and I have a gm811g with the lightweight tripod. I usually check my focal length setting when I see

The onstep sounds like a great and satisfying project!

I don't know what to tell you, but I had some spikes in Dec, and I tightened it up and they disappeared. I think that the clutches should be cleaned when they start slipping like this, or you can get