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Posts posted by jaffons

  1. Solid CNC bars are more solid that the standard Skywatcher item. More £'s as well of course :)

    Yes I keep that obvious but does it make the cheapest skywathcer dovetail bar too flimsy for 200-1200mm focal?

    What I try to ask is "has someone fixed flexure setup with dovetail bar upgrade? "

    Afterall 30cm bar(profiled or solid) is allways MUCH more solid than 200p Newton tube..

  2. About dovetails:

    For matter of flexure, does it matter which one I choose if im doing some imaging? Is the cheapest skywatcher PS32 (33cm long) good enough?

  3. Yes,

    the ST-4 port only acts as a "dummy" movement controller - like the arrow buttons on the basic handbox.

    For GOTO you need the motors / encoders to send signals back and forth betwen the software and the mother board, this is done with the Synscan controller ( or via the EQDIR module)

    Okay I think I got this one, thanks. So this made me assume that EQDIR is RJ45 and it replaces the handcontroller. And autoguiding port is (ST4)/RJ12.

    Though.. I wonder whats the difference between "move DEC+ 12 steps" or "move DEC+ 12200 steps/RA-550 steps" :p

    I already dumb the EQDIR but perhaps re-consider.

  4. Im also starting this hobby and asking Q's:

    If mount is autoguided, how much different mounts have difference in accuracy? For example EG3..EG6..Losmandy ect..

    What kind of focal lenght and quality is needed for guiding scope?

    And as the OP asked: Can anyone advise on the cheapest set-up: guide scope, sw etc? I have also skyliner 1200/200mm(f6)

    How long subs can one have without guiding, if using shorter focals (85mm..300mm)?

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