Quote:
Originally Posted by RickS
Movement in diffraction spikes from night to night is only an issue if the OTA rotates on the mount. My RC10 sits on a fixed Losmandy D plate so the spider always has the same orientation wrt the mount and this is never a problem. A newt mounted with rings and a D plate would be fine too so long as you leave it in the rings.
Cheers,
Rick.
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But wouldn't you need to ensure your camera was always in the same orientation?