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Paul_R
Carpal Tunnel
Reged: 04/05/05
Posts: 1649
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Re: M-13 at 200x magnification
07/05/08 12:03 PM
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A good reminder to try all sorts of magnifications to bring out the best in a DSO.
M13 really shines in larger aperture (10"+) and can take higher power. In a 7", however, I don't go much over 130x, and prefer 70x-100x.
While M13 is amazing, in smaller scopes, I prefer M22. It resolves better and gains by being set amidst all those glorious summer Milky Way objects that can be swept up so easily.
I'll make a pitch for the low power view, too. For most globulars, regardless of aperture, the lower power, less resolved view is less fatiguing, and with the ball of stars set in a larger sky context with field stars, can give an aesthetically more pleasing view!
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