I am crossposting this to sci.astro.amateur because folks here tend to take good care of their eyes and because I am also an amateur astronomer. Since two...

12:20 a.m. 12 January 2007 PST (2007-01-12-0820 UT) Been a while since I last observed with Opus (check my observing log to see just how long), so I decided...

Whoa, what an amazing surprise heavenly visitor!! Comet McNaught Picture Gallery: http://u2r2h.blogspot.com/2007/01/comet-mcnaught-photo-gallery.html ....some...

On another space oriented forum I noted: "It took 20 years to increase the resolution by a factor or 10 over Viking with the Mars Global Surveyor mission. But...

When i posted "opinion", i got a few pretty rank replies. I am young and still getting to know and i come here to be able to learn people that probably know...

Hello group, So... these microlenses on the ccd chip are supposed to increase QE. Does anybody know how it exactly works? A telescopic image should already...

I was looking up references to pinhole cameras when I came upon this page that gives the size of the image compared to the size of the source: Finding the...

Been searching for this topic. 2 questions a. Is it? b. If it isn't, does it matter?

if you are interested in ringtones? i mean the best and newest i got a site for you ringtones.9999mb.com i think it rocks unlike its address, it has tv...

Does anyone knows the quality of this Maksutov? http://www.telescope-service.com/maksutovs/start/maksutovsstart.html the price seems ok

Well, after a week of solid clouds, NOW we have blue sky (Tuesday) and all the news is about viewing comet McNaught in the southern hemisphere. Can somebody...

Hi guys. I'm trying to work out how a focusing device used on the telescope I'm using works. Basically it's a flat disc with two large circular holes one above...

Quite spectacular - I estimate the tail is about 5 or 6 degrees naked eye. As bright, seemingly, as Venus. Eugene L Griessel I Haven't Lost My Mind, It's...

ok. in anyone's opinion wat is the purpose of astronomy and astrophysics? Why do we need it? Why and how is it so important?

has passed away. More info... http://www.astronomy.com/asy/default.aspx?c=a&id=5034 Alvan Clark

are they really in the fourth dimension?

hi. i am a middle school student with a huge addiction to learning. i absolutely love astrophysics and astronomy but i am just starting to learn about this...

I am always told that "popular" kids tease and mess with you because they have nothing better to do but at times i have to stand for myself. But i am always...

I was given a older windown 98 machine by the trailer park owner, he's got a super fast machine now. I've spent the day cleaning out the old useless files...

At www.ofa.gr you can find a spectrum observation made by Voulgaris Aristidis (president of the club). In this observation there is a strong sodium line...