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Old 22-09-2016, 05:09 PM
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g__day (Matthew)
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Join Date: Dec 2005
Location: Sydney
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Solved! Dome Alignment parameter signs - The SkyX vs MaximDL

Hey folks,

I have purchased TSX and tried to get the Dome Automation and sycnhronisation working from within the SkyX PE as well as it did between the Sky6 and MaximDL v5.

So basically I took all the measurements in inches and multiple them by 100 to avoid fractions but keep all the ratios consistent.

Dome Radius MaximDL 44.9" - vs - The SkyX Dome Radius = 4490
Dist Dome Centre to Mount Pivot (East / West) -4.25" - vs The SkyX Xm = -425 (tried +ve/-ve)
Dist Dome Centre ot Mount Pivot Pt (North / South) -8.25" - vs - The SkyX Ym = -825 (tried +ve/-ve)
Mount Pivot point hiegth to Dome Eq -26.5" (Mount below Dome Axis) - vs - The SkyX Zm = -2650
Distance of Mount Pivot Point to Scope Optical Axis 13.25" vs The SkyX Xt = 1325 (tried +ve and -ve)


The alignment is a fair bit over the place in TSX and perfect in Sky6 / MaximDL. Any idea of which geometry parameter/s needs their signed flipped for the Southern Hemisphere.

* * * * * * Solution for lazy people who don't wish to read on

  1. Connect to the SkySensor2000-PC as a Meade -> LX200 10" f/10 driver
  2. Under Display this adds an item right down the boot under Video called Meade - click on this
  3. Select the first tickbox labeled German Equatorial Mount and set this On!
  4. Check the sign of your Xt parameter - mine needed to be positive

And that's all it took. Once TSX realises it handling a GE mount it adds or subtracts Xt properly depending on which side of the Meridan your mount is positioned at!

Thanks to Dan Bisque at Software Bisque for that reveal!

Last edited by g__day; 27-09-2016 at 10:19 AM.
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