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Question about Celestron Powertank by
EXT_Astro_Boy
Hi all,
I have an ETX-105 and am looking for an external powersupply for it. I
need to power the scope and if possible a laptop.
I've seen the Celestron...
( 1 2)
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September 12th 03 05:31 AM
by Etok
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10 |
661 |
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Viewing moon craters by
monkeys paw
Hello all, i received a telescope as a gift and am interested
in pursuing it further. It is F=900mm and D=114mm. We were
viewing the moon using a 12.5mm lens...
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6 |
549 |
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A question about CCDs by
Michael
I have a Nexstar 8i that I have been using and really like. I know the
issues about using a half for but with the traveling that I do wieght is an
issue. Has...
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September 12th 03 02:43 AM
by Michael
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518 |
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0 |
1,456 |
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CCD by
Michael
I have a Nexstar 8i that I have been using and really like. I know the
issues about using a half for but with the traveling that I do wieght is an
issue. Has...
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September 12th 03 12:19 AM
by Michael
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0 |
460 |
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September 11th 03 11:49 PM
by Admin
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0 |
445 |
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13 |
1,090 |
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Laser Light On Mars by
G=EMC^2 Glazier
Well we left a mirror on the moon,and it reflects a blue light back to
Earth(are best proof we were there) Why not have a rover with a laser
pulsing an...
( 1 2)
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13 |
1,237 |
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12 |
965 |
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0 |
648 |
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1 |
603 |
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Evostar refractors. Any opinions?? by
YADLOSZ
Dear All,
Have been looking at the Evostar refractor range supplied by OVL.
Has anyone got/used one of these models? If so could you tell me the quality...
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September 10th 03 08:33 PM
by Malcolm
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1 |
469 |
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Which 6" Dobsonian? by
Firp88
Which of these 6" f/8 Dobs is likely to be the better scope?
Orion Sky Quest ($329)
Hardin Deep Space Hunter ($249)
Pacific Telescope Sky-Watcher ...
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September 10th 03 06:08 PM
by Firp88
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5 |
574 |
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Mars still "worth" viewing? by
Gaikokujin Kyofusho
Hi, I am a bit of a (understated) astronomy newbie and was wondering
if Mars was still worth viewing (in MA here). I know the best time
was almost 2 weeks ago...
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4 |
686 |
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0 |
1,286 |
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0 |
2,612 |
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0 |
1,129 |
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Semimajor axis of orbit by
scratch azazel
The orbit of a spacecraft about the sun has a perihelion distance of 0.1
AU and an aphelion distance of 0.4 AU. I believe the semimajor axis of
orbit is 0.4 -...
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September 10th 03 04:02 PM
by G.P
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1,948 |
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4 |
612 |
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September 10th 03 12:53 PM
by Ray
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6 |
852 |