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Hi,
I bought a GPD2 a couple of years ago after disposing of an EQ6 that was underperforming despite many modifications and much effort. After some initial issues that ended up being resolved with some careful adjustment I was and am fully satisfied with it. Pe is about 15 arc secs, but some of that is due to some synta gear errors. (I'm driving it with an eq5 synscan upgrade kit). I think it is actually much better than this.
My rms guiding errors are about 10 times less than I ever got with the eq6. Essentially guided exposures are unlimited in length - or at least not limited by the mount.
The GPD2 may not carry as heavy a load as the eq6, but when used within its capacity simply eats the eq6 for breakfast in terms of accuracy.
fwiw
cheers
Gary
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