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Flexible Dew Shields by
[email protected]
I am considering purchasing a flexible, roll up dew shield for my C8.
Anyone had any good/bad experiences with any of them? There are a
couple of choices at...
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ALERT: Geomagnetic K-index of 5 by
Sam Wormley
Space Weather Message Code: ALTK05
Serial Number: 460
Issue Time: 2005 Feb 18 0117 UTC
ALERT: Geomagnetic K-index of 5
Threshold Reached: 2005 Feb 18 0114...
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794 |
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Full-thickness mirrors, still best? by
RichA
Remember the 6:1 thickness ratio good mirrors had
in the 1970s? According to articles I've seen,
they still hold their shapes better than thin mirrors
with...
( 1 2)
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February 18th 05 05:06 AM
by Mike 
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697 |
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CCD vs 35mm by
Brian Hill
Hi all. I'm quite green to astro photography and I'm using a Minolta SRT101
body and doing all right but my question is this. What are the benefits of a
CCD...
( 1 2 3)
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February 18th 05 04:20 AM
by Hilton
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936 |
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AURORA ALERT! by
Mike
http://www.jpl.nasa.gov/images//cassini/2005-02-16/Hubble-890-877.jpg
Wonderful!
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673 |
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Pinpointing a Stellar Neighbor by
Magnificent Universe
A faint red star found five years ago is the 28th closest star system to the
Sun. A new, precise parallax yields the best distance ever determined for
the...
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548 |
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635 |
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FC Meischner in Boston by
Brian A
Does anyone from the Boston area know if FC Meischner ever re-opened? Used
to do a lot of business with Harry and last I heard, ( few years ago) one of
his...
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February 18th 05 12:11 AM
by Brian A
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529 |
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Just a thought by
Chuck Taylor
You may have noticed and gone past the "Today's Free Movie" post. I did
and then got curious. It is a one and a half hour movie about Maurice
going to hell. Of...
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February 17th 05 07:52 PM
by Larry G
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691 |
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February 17th 05 07:12 PM
by RichA
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February 17th 05 07:05 PM
by RichA
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566 |
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free grating for spectros! by
Maurice Gavin
The CD has been around for years and nicely serves as a reflective
grating for producing a spectrum of the sun etc complete with dark
absorption lines caused...
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Check out the latest Cassini images by
Alexander Avtanski
Hello everyone,
Check out the latest Cassini images. There are some stunning
views of Titan, lighted from the back. The atmosphere makes
full ring. Very...
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February 17th 05 02:03 PM
by Shawn
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789 |
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February 17th 05 02:00 PM
by Shawn
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516 |
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446 |
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2" eyepiece? by
pay1439
Hi all, new here.
I have a Meade LX10 8" scope, and am looking to see 'deeper' into the night sky. Will a 2" eyepiece bring more light in than a 1.25", or is...
( 1 2)
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February 17th 05 05:19 AM
by pay1439
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