I see that Celestron is now offering the C11 on the GC-5 mount for around $1700. How can this be a good deal when the GC-5 weight limit is exceeded (or is...

I am wondring if CCD camera ISO ratings are the same as film. Are exposure times calculated the same?

I received the following message from Bob Gent, President of the Astronomical League, and want to pass it along. Ed Flaspoehler, AL Press Officer On behalf...

http://www.theonion.com/nib/index.php?issue=4101&nib=2 Davoud ;) -- usenet *at* davidillig dawt com

Lately, I have noticed some newer, faster, and uncompressed cameras similar to a Toucam coming on the market and, although expensive, they appear to offer like...

Since it's "official" that terrorists are not at work, does that leave Amateur Astronomers for the feds to start looking at? Considering that airport security...

Anyone ever peered through a pair of these binos: BAIGISH 30x90? Came a cross a pair for sale and was wondering if they are any good. Thanks for any info. Dave

The American military is doing a fabulous job of getting to the Indonesians and providing relief from the Tsunamis. Politically this is an...

Anyone have any contact info for Tangent Instruments? I see 2 addresses in California when I do a search but cannot find any current info or phone numbers. ...

Has anyone actually tried a field test at night by having a friend=20 shine a green laser pointer at you from a mile or two away? You=20 could communicate with...

I have a C-11 and use my high quality AP 2" non-SCT diagonal with adaptor ring. When I set it up with the focus reducer, diagonal sticks way out and looking...

The reason they put a corrector plate on it is to collect dew.

What is the most plausible explanation for 'Olbers paradox'? Shouldn't the night sky be just as bright as it would if we lived inside a globular cluster? Whats...

Green Laser Pointer - Green Beam Visible 2 Miles in the Sky www.GreenLaserBeam.com

The scam artist is sending me a check!! -Rich Good Day.. I am glad to mail you today regarding the payment upday.. I was contacted by my associate this...

On Tue, 04 Jan 2005 23:56:55 -0500, RichA wrote: Not a bad program. I wished they'd concentrated a bit more on the mission...

Hello: On my Cartes du Ciel 2.76v I open up: Catalog and Object Parameters, then click on the "Asteroids" tab, then click on "Asteroid elements", it connects...

I've been looking at the concrete footings used for the telescope support in small amateur observatories and some seem extremely massive, with cubic yards of...

http://www.shadowpeoplebooks.com Hello Group....I am somewhat new to this group. I am conducting research for my upcoming book concerning parallel universes....

I've noticed that most telescopes can't be upgraded to succeding models, you have to sell your own and buy a new one. With scopes like the ETX and LX-90 and...