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Hi Leigh, When the seeing is good you should be able to see the
Cassini division in Saturn's rings; I can with my 8" and 10" Newts.
Mars is a difficult object to observe. When it is close to us, and the seeing is good, quite a lot of detail can be resolved, and the polar cap will be
very obvious. When it is further from us, and/or the seeing is average, almost nothing can be discerned with moderate sized scopes. Patience
is a virtue with Mars.
If you go to the Lumicon web site you can print out a copy of their
listing of precisely what each type and colour of filter is good for.
Something is wrong if you need 480x to see that Alpha Cent. is a
double, my 8" will separate them at a far lower power than that.
Are any objects absolutely pin sharp in your scope? At powers up to
around 150x the moon should be stunningly sharp in a 10"scope.
raymo
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