Re: 10 inch dobs

MAT wrote:

Why have a telescope that doesn't even track the sky??


It's cheaper, more powerful, more portable, more stable.

if you think a big honkin yard long dob is portable you are delusional.

Depends on whether it is of the "classical" Sonotube style, or one of the
"collapsible truss tube" ones which can be readily separated into compact
mirror box and upper cage units (and a stack of truss poles)...

"The Dobsonian Telescope: A Practical Manual for Building Large Aperture Telescopes"
(D. Kriege + R. Berry, pub. Willmann-Bell) describes in detail the construction of
the latter type.

-dave w
.

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