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Old 10-02-2017, 07:44 PM
bigjoe (JOSEPH)
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Join Date: Nov 2010
Location: sydney
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Quote:
Originally Posted by gaseous View Post
So all things being equal, an 8" dob would be better for doubles than a 16" dob?
Sounds strange but during average seeing the smaller aperture could be less affected!! And thus you stand a better chance as the image is not dancing around all over the place, and obscuring the secondary star ; also can depend on size of secondary obstruction
The larger objective/mirror system could also have not reached thermal stability , when the other already has!! No waiting for hours either.
bigjoe.
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