Since we have complete cloud cover for the Perseids..... Back in the days when I was still shopping for a new telescope, I tried very hard to check out any...

N. Foldager wrote: Width = 8.6 x 795 = 6.84 mm Hight = 8.3 x 596 = 4.95 mm Diagonal = sqrt( 4.95^2 + 6.84^2 ) = 8.4 mm = 8.4/25.4" = 0.33" ...

Optics Extravaganza August 9 through August 11, 2004 B&H Photo-Video, Inc. is proud to announce a multi-day Optics Extravaganza ! In the B&H SuperStore all...

Look whats bearing down on the Saskatchewan Summer Star...

1982, Robert Noyes, The Sun Our Star, says: The energy released in (the core) as a gamma ray ... is destined to spend the next 10 million years struggling to...

I was considering the possibity of making an inexpensive st80 with the f/5 80mm telescope optics from Apogee. The optics are $50, and I could cannabalize /...

I have a EQ5 but many here have different varieties and quality mounts. My question is, are the latest GOTO type mounts and Losmandies etc. all automatic...

This is unfortunate, but maybe the robot mission (if it's done) can fix it? http://skyandtelescope.com/news/article_1320_1.asp

Why observe the moon? In the introduction to his splendid guide, Peter Grego asks and then answers that question. But he not only answers the question, he does...

http://optics.org/articles/news/10/8/9

F/9, $999. This week, maybe. Ed T. http://groups.yahoo.com/group/Orion_ED/message/2365 http://starizona.com/telescopes/showw.cfm?StockNo=9975&Show=1

A friend's brother bought a Meade ETX and has barely used it. He also bought a ton of accessories with it. I believe it's a 125 and he wants to sell the whole...

"Andy" wrote in news:PbkTc.284$TS.191@newsfe3- gui.ntli.net: Can anyone point me in the direction of pictures of these 2...

Hi, I found a webpage that describe the difference in telescopes when we looking at Jupiter, I wonder if anyone could tell me if those images are close to what...

Ref: http://spaceweather.com/ SOLAR ACTIVITY: During the past 24 hours, sunspot 649 has unleashed a series of M-class solar flares, but none of the explosions...

It seems to me that threads in saa develop only in a small number of ways. I dreamt up one example to one of the gerenic types --- one that does not develop...

Comets and asteroids can provide the mass that is needed to generate thrust. In addition to the reaction mass you need source of energy -- most likely nuclear...

EMBARGOED UNTIL: 9:00 am (EDT) August 12, 2004 PHOTO NO.: STScI-PRC04-26 HUBBLE PEERS INSIDE A CELESTIAL GEODE In this unusual image, NASA’s Hubble Space...

I didn't post after my last 2 observing sessions so I'm rolling them all into 1. The location was Tierra Del Sol, a dark sky site about 60 miles east of San...

http://www.comet-track.com/meteor/perseids04/perseids04.html I observed from Hungry Valley, CA (just south of Mt. Pinos), night of Aug 11/12. As others have...