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Lense cleaning by
MD
Is it true that a 50% solution of 99% isopropyl alcohol and distilled water
(1:1) makes
a good lense cleaner? Does it affect coatings?
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December 6th 04 04:22 AM
by miso
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8 |
508 |
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"Modern Moon" vs. "Observing the Moon" by
Jay Loughlin
I am considering purchasing a copy of Charles Wood's THE MODERN MOON:
A PERSONAL VIEW. I currently have a copy of Gerald North's OBSERVING
THE MOON and am...
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December 6th 04 01:47 AM
by Orion
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5 |
474 |
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December 6th 04 12:57 AM
by Canopus
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12 |
990 |
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18 |
2,119 |
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Bad Mirror/Good mirror star tests by
Don Bruns
Hi,
I have been following the thread on bad mirrors from a premium vendor,
and I have to agree that sometimes good vendors put out bad mirrors. I
had the...
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December 6th 04 12:40 AM
by Canopus
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7 |
532 |
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Eyepiece design question. by
Stephen Tonkin
Can someone help identify this eyepiece design:
6 elements in 4 groups; from field lens to eye lens they a
Biconcave doublet
Biconvex singlet
Biconvex...
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9 |
713 |
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GPC-102ED by Vixen by
Stephen Paul
With all this tripe and hype about triplet apos, I'd just like to speak up
on behalf of all those long focus ED scopes put out by Vixen, and anywhere
else from...
( 1 2)
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December 5th 04 11:55 PM
by RichA
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18 |
1,116 |
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FYI for Mac Users by
Sam Wormley
Wfoley2 wrote:
Sorry about an OT, but you may need to see this (maximize screen):
...
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6 |
483 |
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Legs or Pier by
Stephen Paul
Which provides more stability for a GP class mount, a set of oak legs a la
Al's Astro, or an SVP pier?
-Stephen
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1 |
497 |
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Huygens Titan entry imaging form Earth by
Matthew Ota
Please help. I read somewhere on the web that there will be an effort to
image the entry of Huygens probe into Titan's atmosphere from
Earth-based large...
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2 |
318 |
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I need some consoling..... by
Stephen Paul
I sold my Ultima 8-PEC today, along with all the bells and whistles that I
had added to trick the scope out. I sold it to a local New Englander,
astronomer,...
( 1 2)
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11 |
613 |
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GSFC moved ! by
Thierry
Hi,
NASA's GSFC website moved today !
http://www.nasa.gov/centers/goddard/home/index.html
and update your bookmarks......
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4 |
719 |
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more q's on the digital rebel by
starburst
Hi all-
I'm looking at picking up the 300d for doing both astro and daylight
work. I've never owned a digital camera and am curious about the...
( 1 2 3)
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December 5th 04 04:33 PM
by luca
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25 |
937 |
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12.07.04 Luna/Jupiter by
SaberScorpX
Tuesday morning, Dec. 7th (0245 CST), our waning crescent moon will occult
Jupiter (visible from most of North America).
Comet Machholz should be shining at a...
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0 |
483 |
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2 |
569 |
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Help identifying something by
Nerull
Hi, sorry if this is the wrong place to post this, but I am having
trouble identifying something ive been observing over the last few
weeks.
It appears to be...
( 1 2)
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December 5th 04 09:28 AM
by Nerull
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14 |
924 |
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Titan: answer from Keck by
Christophe
here is the answer from Keck:
Rolando,
I think the markings in your images must be due to something other than
surface features on Titan, because they appear...
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0 |
433 |
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December 5th 04 06:47 AM
by ValeryD
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3 |
1,223 |
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4 |
444 |
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Photo of meteorite hitting earth by
Mike
http://www.news.com.au/common/story_page/0,4057,11483286%255E13762,00.html
Found this on Collegehumor.com Pretty damn cool, if it's real. What do you...
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8 |
401 |