Quote:
Originally Posted by AndrewJ
I dont know A3S5 well but dont really recommend it for LX90s.
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Huh? I assume A3S5 is latest. Why don't you recommend it? i.e. what do you recommend for an ETX-90?
Quote:
Originally Posted by AndrewJ
As to training targets, its not height you need, its distance.
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OK, I now realise I misinterpreted 'perpendicular' in your previous pointer:
Quote:
Originally Posted by AndrewJ
You should also try to use a target where the OTA is as close to perpendicular to the RA/Az axis as you can get.
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I understand now... tks again