Probably a dumb question but I can't find the info anywhere. When using the smartfinder is the target star & red dot supposed to be centered in the glass? ...

"Skip Tracer" wrote in message ... -----BEGIN PGP SIGNED MESSAGE----- TO...

Saw on the news a group of them demostrated to get Pluto re-instated as a real planet instead of a dwarf. Someone should tell these people that being a...

Why does the NASA plot in the control room of the orbit look like a sine wave ?

If I can go in the deepest region of space that far from any matter or body and scoop a bottle of this empty space, what will I have? When I return to earth, I...

Last night I made observations of deep sky objects using hand-held, 20x80 binoculars. My limiting magnitude was 6.5 or better (same as on a typical 'good'...

Whats the difference between the two?

We are having endless grief because of a few "barbarians" and one "brain dead enterprising?" group of people who have literally taken over our astronomy club,...

what exactly is dark matter? i've heard about it but cant get a clear idea of what it is.

I always thought I understood why the Foucault pendulum rotates, but after giving it some more thought recently I'm puzzled about something. Explanations I've...

Seems like only some younger astronomers are looking rationally at the planet issue while the "old guard" are buldozing ahead with their myopic, nostalgic and...

http://news.bbc.co.uk/2/hi/science/nature/4755996.stm Ground-based astronomy could be impossible in 40 years because of pollution from aircraft exhaust trails...

I run a separate Linux box on my network just for IRAF. It is a bit of a pain to maintain, and it forces me to keep an X-windows app installed on my Windows...

BoycottAI wrote: Clearly everything is lined up with the collimeter tool. Only thing is...... the image in the view piece is skewed. Its angled...

Brilliant! Tenth planet turns out to be a shiner Xena, unofficially called the 10th planet, is the second-most-shiny known object in the solar...

I'm looking for opinions, ok? What would be the best (practical---no $10000 setups please) OTA to do some high power moon study? I'd like to go to around...

My inkjet printer that I've pushed at lest 3 or 4,000 pages of paper threw for printing had stopped working right, even HP says it need replacing. So I've...

Do you subscribe to them? If so, what in particular do you find worth reading in them? I have not subscribed to either of the two well known US...

I saw the shots of their meeting. They all look like they are pushing 60 years of age or older. Those are the only reasons they came up with the idea including...

That Black M-31 shirt I ordered came today, and it's a good one, most awesome it is. It'll be good wairing it while at the telescope. Now I just need to...