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OK, maybe a little simplistic.
Assuming (good?) seeing of 2 arcsec, the the FWHM of a star at 1000mm fl would be 9.7 micron. 19.4 micron at 2000mm and 2.4 micron @ 250mm.
The pixel size of a typical "imaging" camera (ASI 1600) is 3.8 micron.
Guide cameras - QHY5Lii 3.75 micron and Lodestar 8.2 micron.
What do you think the outcomes would be? "Mini guider" vs OAG???
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