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Old 05-09-2019, 08:06 AM
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Astrofriend (Lars)
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Join Date: Aug 2017
Location: Stockholm, Sweden
Posts: 443
I mean, isn't the timing belt stretching and cause big errors?

With my 300 mm lens and a 50 Mpix camera the pixel scale is something like 3 arc second per pixel. Maybe a resolution and a guiding precision of 1" will be good enough. Not very high.

/Lars
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