Quote:
Originally Posted by cfranks
Thanks Ernie, if the wind drops, I will try it tonight. My setup is backyard on a 'naked' pier so I have to remove the OTA (DSI RC10C 1854 fl) at the end of each night plus the MX if there is going to be poor weather. The MX is able to be accurately relocated so I shouldn't need to do a heavy Polar Alignment each time.
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Rough alignment will hold with OTA and mount setup and teardown, but I wouldn't count on it holding well enough for astrophotography without at least a little tweaking each time you set up. Removing your OTA will certainly invalidate your Tpoint model every time. At the very least you're going to be wasting time doing an automated recalibration run at the start of each observing session.
Instead, I'd recommend purchasing a Telegizmos 365 cover for your mount and OTA and leaving them in place, removing them only during poor weather. Remove and pack up only the camera each night before covering the OTA end(s), inserting a plastic plug into the focuser and putting on the T365 cover. Then you won't have to do anything special most nights other then turn on the power, home and go. That's what I do.