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Old 12-02-2021, 12:05 PM
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AstroJunk (Jonathan)
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Join Date: Jan 2006
Location: Moonee Beach
Posts: 1,909
Conceptually rather good fun and visually spectacular. A well executed idea.

TIP. For meridian flips to work well, both tubes need to be either parallel or canted equally in opposite directions and the guide scope centered on the overlapping area.

A point of interest is that the RASA11 has double(ish) the light gathering and a has slightly wider fov than the RASA8 when matched with an appropriate camera (FF rather than APS/C), so can pretty much achieve the same result with a couple of image runs over the same duration.

Much less fun that way though, and TBH, I think tackling engineering challenges during the day are far more enjoyable that watching a telescope doing an imaging run in a dark field
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