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October 19th 03 08:55 AM
by Chris.B
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366 |
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Detecting Faint Stars/Moons by
Dennis Woos
Is there a certain size exit pupil which is best for detecting faint
stars/moons? If there is, is it the same for a faint star in a relatively
dark field and...
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602 |
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745 |
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'Which Telescope' questionnaire by
Victor
Since most people ask the same questions over and over again and never
bother to read the Telescope or Binocular Buying FAQs, I think it is
time to save...
( 1 2)
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1,077 |
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October 19th 03 03:29 AM
by Mayday
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530 |
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765 |
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China launches astronaut by
Florian
BBC News says China launched today. The craft is expected to orbit the =
Earth 14 times, returning about 21 hours later. It's early twilight in =
Calif. Hoping...
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757 |
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2,728 |
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Betelgeuse versus Rigel by
John Honan
Rigel has a mag. of 0.2, Betelgeuse varies between 0.3 to 1.2. Why then is
Betelgeuse labelled as Alpha Ori, and Rigel is Beta Ori? - Shouldn't Rigel
be the...
( 1 2)
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1,515 |
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The importance of a good Finder by
Ioannis
On my first visit to Antiparos, a year ago, I only carried with me my
11x80. This time I carried my 60mm/700mm Tasco as well, along.
One thing that became...
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1,108 |
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705 |
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MMmmm...Battery make man STRONG!!!! by
Al Arduengo
I know this may be old hat to many of you but I just wanted to share my
latest joy here. For several years I have typically used either
available AC outlets...
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843 |
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Anything better than Uranometria by
M. Tettnanger
Any good star atlases out there that go down to 14th magnitude?
I'd like to have a star atlas with absolutely everything
that's visible to a medium size scope....
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695 |
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Desktop Universe by
Thierry
Hi,
Need a more realistic planetarium software ?
See a moment at http://www.main-sequence.com/
Images have been recorded with a AP9e CCD... (see...
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929 |
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Focusing a PC23C Video Camera with a C-11 by
W. Watson
I'm having trouble focusing my C-11 f/10 on the moon with a pc23c b/w video camera. If I use a Meade
LX-200 8" f/10, the focus is pretty sharp. Any ideas why...
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594 |
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824 |
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Bears... somewhat OT by
Marty
In the past, there have been "safety in the boonies" threads where the
subject of wild animals, bears included, (I can remember someone saying
he'd "spank" a...
( 1 2)
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883 |
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Linux Astro Pgms: XSTARS & XEPHEM by
Bart Declercq
fledermaus wrote:
XEPHEM is an excellent program, free if you compile it yourself and use
a very limited star catalog.
XSTARS is something I found...
( 1 2)
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1,436 |
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Double Stars - Aitken revisited by
Martin Nicholson
The Aitken formula log(separation) + 0.2(Magnitude) 2.8
has been quoted from time to time in relation to double stars.
However there appears to be some...
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420 |
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435 |