Pronto & Ophiuchus Equipment Used TV Pronto Gibraltar Mount 24mm konig, Ultima barlow, 6mm Radisn Nigh****ch, Audbon book to the night sky, SA2K I've been...

In article , Greg Heilers wrote: lottery amounts to a "voluntary...

Greetings everyone, I need to tap into the collective wisdom here to get some help/suggestions on dew prevention on my *finders* - the scope, an 8" dob (XT-8...

Ref: http://spaceweather.com/ AURORA ALERT: If you live in northern places such as Alaska, Scandinavia or Canada, watch the skies around local midnight. Mild...

Test, please ignore.

Hello, I own an ETX-70AT. I am looking for the optical design of the objective... but do not find anything. Do you know where I can find it ? An OSLO file...

For those doing astro and lab spectroscopy work, I have posted several spectrum pictures taken with my hand-held spectroscope and with my Nikon CoolPix digital...

Space Weather Message Code: WARK06 Serial Number: 139 Issue Time: 2005 Sep 11 0130 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2005 Sep 11 0130...

So what do you guys think of the Celestron NexStar 11-GPS Telescope? Anyone had or have one? Pro's and Cons? -- G.

http://vestige.lmsal.com/TRACE/last_movies/STD.fast195_2_195_001_S04_E13_m.mpg Incredible energies bustin loose!

Hi all, I'm heading out to Scottsdale for a week on business. I'm taking a pair of 10x50s with me as well as my 20d and couple of lenses and a small tripod....

Deep Impact: A spacecraft breaks open a comet's secrets Data from the Deep Impact mission reveal that the bullet that slammed into Comet Tempel 1 on July 4...

"An astronomer is someone who can't get the order of magnitude of his magnitudes correct" Anyone shed any light on this quote? Gareth -- "Stupid...

All that magnetic energy ready to blow once again! http://vestige.lmsal.com/TRACE/last_movies/STD.dynamics_2_171_004_S04_E12_m.mpg

Has anyone got a spare copy of this issue? I'm after the comparative review of broadband and narrowband filters. A back issue would be a whopping $16 because...

Hi, Yes, I know it's visible even naked eye if you are lucky to be under dark skies. I am curious about the minimum aperture needed to make out any sort of...

Thanks for those who answered my previous question about telescopes and the upcoming solar eclipse. Much appreciated. So. If I were to hook a digital SLR...

A GLOBAL DIGITAL NERVOUS SYSTEM by Michael Mah, Senior Consultant, Cutter Consortium Is it possible that the Earth is an integrated, self-regulating, living...

I just finished a book about Antoine Lavoisier, the great French chemist. Lavoisier was one of a number of French scientists guillotined during the...

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