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Moon & Pleiades by Pete Lawrence
A beautiful sight in a clear twilight sky... Some pictures of the Moon passing below the Pleiades on the 11th...
April 14th 05 03:42 PM
by Pete Lawrence Go to last post
9 887
Parkerizing steel parts by Mike Jones
Anyone here have any experience in Parkerizing steel parts for telescope mounts to reduce rusting? I'm thinking about trying it but would appreciate any...
April 14th 05 05:23 PM
by Shawn Go to last post
3 456
horizion refraction question by Jim Z
This evening while standing on the shores of lake erie in Cleveland, I noticed a line of lights along the horizion. This was most likely the canadian...
April 14th 05 06:21 PM
by jimz Go to last post
3 618
This NG is on the way out by Philip Deitiker
In sci.archaeology, OsherD created a message ID : From Osher Doctorow Nick has a good...
April 14th 05 06:42 PM
by Philip Deitiker Go to last post
0 443
When telescopes went "Tick-Tock". by Uncle Bob
Hi-- When "clouded out" I like to read. I was in the public library in my town and found a copy of "Out of the Darkness: The Planet Pluto" by Clyde Tombaugh...
(Multi-page thread 1 2)
April 14th 05 08:43 PM
by Dan Mckenna Go to last post
13 832
Planetary Nebulae by Steven J. Hynes by Anthony Ayiomamitis
Folks, I am trying to locate the aforementioned book without any success. I have tried eBay, Amazon and Willman-Bell but no luck. Any clues or leads would be...
April 14th 05 09:31 PM
by Anthony Ayiomamitis Go to last post
3 900
Hundreds of Blimps - Will This Ruin the Night Sky Nationwide? by shneor
X-No-Archive: Yes http://www.pe.com/localnews/inland/stories/PE_News_Local_D_blimp13.5873e.html Shneor
April 14th 05 09:35 PM
by RichA Go to last post
6 639
aperture and magnification gain puzzle by [email protected]
Let's use this aperture 50mm and 70mm for refractor... 50^2= 2500 70^2= 4900 So 70mm has almost twice the area of the 50mm... Now let me use 10mm...
(Multi-page thread 1 2 3)
April 14th 05 10:02 PM
by canopus56 Go to last post
20 1,544
a new Yahoo group for "Dance of the Planets" by Peter van Grijfland
Do you also miss this very interesting old program ? Was "Dance of the Planets" an order of magnitude better than any other solar system simulator program ? I...
April 14th 05 10:05 PM
by David Nakamoto Go to last post
1 750
Orion 127mm Mak - Cass and a focal reducer? by David Nakamoto
Hi Everyone ! Has anyone tried to mate any focal reducer to one of the Orion Maks? What did you find through the eyepiece when you did so? Thanks ! ---...
April 14th 05 10:12 PM
by David Nakamoto Go to last post
0 618
hitchhikers guide to the galaxy by Mark F.
I can hardly wait till aril 29 to see the movie. -- Hike High Mountains Fish for Wild Trout
(Multi-page thread 1 2 3)
April 14th 05 10:45 PM
by Brian Tung Go to last post
27 984
Some researchers believe there's water on the Moon--recent evidencesuggests by Sam Wormley
Some researchers believe there's water on the Moon Ref: http://science.nasa.gov/headlines/y2005/14apr_moonwater.htm?list89139 April 14, 2005: The first...
April 15th 05 12:05 AM
by Sam Wormley Go to last post
0 657
Eyepiece/barlow/tube vignetting by Ch.
Has anyone encountered this before. When I used a 15mm TV Plossl in a Celestron 70mm f/8 flourite. The image at 37.3 is ok. But when I insert a...
April 15th 05 12:49 AM
by Ch. Go to last post
0 328
surface brightness and photons by [email protected]
Some questions about a passage in the site: http://skyandtelescope.com/howto/visualobserving/article_78_5.asp "When an image is magnified by high power, its...
(Multi-page thread 1 2 3)
April 15th 05 01:42 AM
by canopus56 Go to last post
22 2,054
More on Dobsonians... by Clarky
I was just looking at the dobsonians again, and had another question. Both the Celestron 10 inch and the Orion 10 inch both say that they have a "maximum...
(Multi-page thread 1 2)
April 15th 05 04:30 AM
by Larry G Go to last post
12 839
Moving STS-114 (Columbia) tribute, worth a look by Mark from Tyler
Hello, Today, at work, the subject of the Columbia tragedy came up in conversation. A colleague told me about a website that had a streaming video of a...
April 15th 05 05:10 AM
by Mark from Tyler Go to last post
0 458
Even The Standard Playing Card Deck Is...EVIL !!! by ROM SPACE KNIGHT NURSE
The Cards ARE but a tool...you are 100% correct, you red white and blue chancre...they are the tools of the infamous brewery of Busch! Their sole porpoise is...
April 15th 05 06:35 AM
by ROM SPACE KNIGHT NURSE Go to last post
0 780
Even The Standard Playing Card Deck Is...EVIL !!! by Puppet_Sock
rj wrote: Playing cards were around since before Jesus was born. By now, that's got to be one ratty looking deck of cards. Socks
April 15th 05 04:25 PM
by Puppet_Sock Go to last post
0 697
Online Shared Observation Logs??? by Marc Miles
Is there any service online that allows for very easy to create observation logs? Sort of like a astronomy blog of logs? I googled, but all I find are...
April 15th 05 05:03 PM
by Marc Miles Go to last post
0 545
martian seismometers? by thanatos
Do the little martian robot explorers have seismometers on board? are there any seismometers on any other body except earth I have an idea.... (well a few...
(Multi-page thread 1 2)
April 15th 05 06:12 PM
by [email protected] Go to last post
13 1,088
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