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September 10th 03 07:41 PM
by Marty
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Definition of aperture. by
Chris L Peterson
On Tue, 9 Sep 2003 13:20:49 -0400, "Bruce Sidell" wrote:
So I read the umpteenth misspelling of aperture today, and
it occurs to me that...
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Mars simulation link? by
Dennis Dickerson
One link that I know of is at -
http://www.kk-system.co.jp/Alpo/kk/Ms2003/MSmenu.htm
It offers an hour by hour simulation.
Dennis
"Arthur M. Schneiderman"...
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No USA to Mars: the real reason by
Brian Tung
Tony Flanders wrote:
The questions that might be answered by a manned mission to Mars
are execedingly interesting, but certainly not urgent by any
honest...
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ANY STAR PROGRAMS THAT ARE CHEAP? by
Jim
Orion used to give away a Sky Map software program on CD ROM called "The
Sky". The software is not the ultimate Sky Map software but it is still very
very...
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Siebert SW eyepieces by
Darren Drake
I've been toying with the idea of purchasing the new 7mm Pentax XW
eyepiece. It sports a 70 degree fov and 20mm of eye relief.
Unfortunately they aren't...
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September 10th 03 12:18 PM
by L.C.
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20030909 mars by
Eric Ng
Dear friends,
The sky finally clear but the transparency and the seeing were not good.
Attached mars image was taken last night at 17:19UT. Please note that...
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September 10th 03 07:24 AM
by Eric Ng
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Telescope Inclinometer by
Simon Bailey
I have newtonian reflector telescope - a plain cylinder on a dobsonian
mount. I would be very interested to know if anyone has had any success in
installing...
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September 10th 03 07:11 AM
by Jon
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Focus question by
Joe S.
Why does the focal point on my scope change if I sip two fingers of single
malt before observing?
--
----
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Looking for parts for Old C8 by
Robert
Anyone know where a motor could be found for a 26 year old C8 ?
Celestron apparently no longer stocks parts I'm told.
Robert Babb
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C9.25 dew shield lenght by
Falco Stellare
I'm planning to build a new dew shield for my C9.25 OTA. What is the
recommended lenght to avoid vignetting?
--
\\
\\__ Falco Stellare -...
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trouble downloading new messages? by
Lee
Anyone else having trouble downloading messages from sci.astro.amateur?
While I can download other newsgroups in Outlook Express with no problem, I
only get a...
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September 10th 03 03:58 AM
by Lee
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