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Whats the heaviest OTA a CG5 mount can take?

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I used to use my C10N on a CG5-GT mount. Whilst the mount could handle it for visual use there was no 'slack' and balancing had to be done well. If there was any wind I had to wait patiently for the jiggles to die down at high power. Ideally you'd go no heavier than an 8" reflector and imaging would be out of the question.


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It's not just weight it's tube length too.

For useable results the tube length should be around 1000mm or less.

Weight wise I used a C9.25 (9kgs) on a CG5 for visual with 1-2 seconds vibration damping time.

Overall I would say an 8" F5 is the limit.

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