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Old 18-06-2008, 07:32 AM
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Robert_T
aiming for 2nd Halley's

Robert_T is offline
 
Join Date: Oct 2005
Location: Australia
Posts: 2,959
Alex, the key to detail (seeing and collimation/quality aside) is aperture. Aperture is what gives you the resolution that provides greater detail... the light is needed, but it's actually the distance between outer edges of the mirror that determines the resolution. This is how radio telescopes separated on the earth's surface can combine signals for increased resolution.

Seeing on the other hand has a greater impact the larger the aperture. That means there will be fewer nights which could be regarded as good seeing for a C14 say versus a C8. Still, if you have the aperture on a night of perfect seeing you will get the rewards.

Optical quality and collimation are equally important, but are to some degree controllable.

cheers,

Rob
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