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Jemmo,
For my 10" dob, 35x magnification (34-35mm ep) is the optimum to be able to see it at it's best. The higher magnification you go, the dimmer the gas/dust is. A 32mm ep will be a little dimmer (37.5x magnification), but visually you would not really tell the difference.
Either way, it is some 190" across (3.1 degrees in the sky), so you won't get the whole thing in your ep. Maybe at most 2 degrees? Generally, your finderscope can see 5 degrees.
FYI, it's transit at the moment is about 4am. So that will be when it is at it's current highest in the sky, but that is still very close to the horizon.
Hope that helps,
Joel
Last edited by JoelyE95; 29-07-2015 at 09:45 PM.
Reason: Corrected an error
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