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0 |
701 |
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0 |
796 |
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0 |
459 |
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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...
( 1 2)
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12 |
844 |
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22 |
2,071 |
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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...
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April 15th 05 12:49 AM
by Ch.
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0 |
329 |
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0 |
657 |
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27 |
984 |
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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 !
---...
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0 |
619 |
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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...
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1 |
751 |
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20 |
1,557 |
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April 14th 05 09:35 PM
by RichA
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6 |
640 |
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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...
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3 |
904 |
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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...
( 1 2)
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13 |
840 |
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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...
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0 |
444 |
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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...
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April 14th 05 06:21 PM
by jimz
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3 |
623 |
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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...
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April 14th 05 05:23 PM
by Shawn
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3 |
456 |
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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...
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9 |
892 |
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How to use VSOP 87 by
C. Balci
Hello.
I have ascii version of VSOP 87. However, i don't know how to use
these numbers. I have searched the web but couldn't find any good
tutorial. Does any...
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5 |
2,640 |
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This NG is on the way out by
benlizross
OsherD wrote:
From Osher Doctorow
Nick has a good point, in that left wing liberals usually do seem to
have sympathies with communists and a large...
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0 |
406 |