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Hello Everyone!I need some information on 80mm telescopes that have been built at home.I just obtained an 80mm diameter achromat,focal length 900mm and will...

Surely it's the same principle in reverse, what am I missing? Gaz

Just wondering if anyone here has any good urls for building/ all ready made setups for video astronomy equipment. First off, I admit I am very new to this. I...

Just in case you need something to compliment that 12" Skywatcher Dob. :) - APQ 150/1200 ( 98.8% Strehlratio) with Zeiss ParMount II w. digital setting...

They've risen since the last batch I saw. here we offer stocking units: - famous 1.25" Abbe Orthos 4 mm, 6 mm, 10 mm, 16 mm, 25 mm, each $ 795

The 80mm Meade model 312 that I borrowed came in a Tilton carrying case when I got it. Apparently, the inside surface of the carrying case is shedding some...

My new site is ready: Ephemeris of: 96153 asteroids 513 comets All satellites of solar system All planets www.arnaudxx.net

What does the discriminating amateur astronomer recommend in the current mid-priced Digital SLRs for astro imaging? My budget is $1500. My inclination...

7450 From: dhennig2 dhennig2@t... Date: Tue Nov 23, 2004 1:00am Subject: 92mm Fluorite - clarification on definitions? Something here is really...

More on power use; He claimed powers up to 6000x on his telescopes. He regularly claimed to have used powers beyond 1000x. His favorite scope was a 7." Now...

http://www.newxspotters.bizland.com/todd/weatherman/ For those who missed the man, like I did. I posted this to s.a.a before through a different usenet...

Deals with microscopy but it's interesting. http://www.modernmicroscopy.com/main.asp?article=31

I swore I would never sell it, but medical (and optical) changes placed it up for sale. Selling whole scope as DOB or OTA only. See:...

90mm Orbitor OR3900 Maksutov-Cassgrain f/ratio f13.3 focal length 1200mm Has two viewing ports with flip mirror lever Water Proof & is Rubber coated Comes...

Is anyone in the group actively and regularly engaged in comet hunting? Is comet huntng still practical in the current robo-scope landscape? If you are engaged...

Re; Their Nexstar 8i. "Patented Single Fork Arm Design Celestron's unique patented single fork arm with integral hand control design provides a rigid and...

What diagonals do these look like? http://talscopes.com/products.cfm?action=showsingleproducts&CategoryID=22&PID=287#pid287

This report falls into the better late than never category I suppose. On Saturday, November 13/14, I spent some time observing at the eyepiece of a 20" f/10...

Somewhere else, Tom Davis wrote about promised 91.8mm Fluorite refractor. What Thomas added by posting the design, was credibility to what was being sold...