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Goto Problem with new Orion Atlas Pro AZ/EQ-G

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#1 Heino Pull

Heino Pull

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Posted 10 June 2013 - 11:37 AM

I just purchased the new AZ/EQ-G mount and spent 3 nights trying to evaluate my mount with a Meade LX50 10" ota. Goto performance was really bad after a first few gotos in EQ mode and since I had never owned a goto mount before, thought I needed to managed my expectations.

I leveled and balanced the scope, always north aligned and doing 1-star, 2-star, or 3-star alignments didn't seem to help things. My tracking of an object was fantastic though. I was able to image unguided with a Meade DSI Pro and a 3.3 focal reducer for up to 1 minute and 2 minutes with a small amount of star blur.

Saturday night (third night) I noticed that if I didn't re-position the scope with SynScan controller or release the clutches, Gotos worked one after another.
I then disabled the auxiliary encoder and gotos were fantastic the rest of the night. Repositioning of the scope after goto (with the hand controller) had no bad effect. Of course I didn't try loosening the clutches after disabling the encoder.

It seems that my auxiliary encoder may be faulty and I have a support email in to Orion, but I wonder if others have seen this issue on the AZ/EQ-G?

Otherwise - I love this new mount.

Heino R. Pull
Ellisville, Missouri

#2 johnpd

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Posted 10 June 2013 - 03:07 PM

I believe that the manual mentions that the auxiliary encoders could have a negative affect on pointing if used with automatic skewing. It is best to leave them disabled.

JohnD


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