Quote:
Originally Posted by DaveNZ
Currently I have a roll off roof observatory and considering replacing the roof with a kiwidome. The dome is 2.4m x 2.4m with a slit 690mm wide.
I have a 250mm f4 newtonian.
Any idea how long I could image for before I have to rotate the dome ?
Thanks Dave
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Why do you want to switch from a roll off to a dome?. If you have large ambient temp swings (day night), it could worsen your seeing due to thermals by up to 2 arcsecs.