Hello, I have a Canon Rebel (300D) on a 2" focuser (Newton 200/800 telescope). The problem is that I cannot focus with the MPCC because the focuser hits the...

To help you better understand the interaction of solar wind and the magnetice field here is something to educate...

M104 like never before http://www.jpl.nasa.gov/images/spitzer/spitzer-050405-browse.jpg It is a composite of IR from spitzer and visible light from HST. ...

http://www.jpl.nasa.gov/news/news.cfm?release=2005-071 Saturn's moon Phoebe has a density consistent with formation in the Kuiper belt, suggesting it was...

I've built a homemade binoviewer from a Nikon microscope bino head, and now that I know it works (i.e. images merge, focus together, etc...) I want to tweak it...

Just came from A-mart browsing the ads. APM listing two new scopes, the 8" F-7, and a 6" F-7.9. My, they sure look awfully sweet! I can remember the...

Where it is possible to find photos of passage of Venus on a disk of the Sun? Regards, Slava Shevtsov http://www.sciletter.com/ - mailer with equations

MOC images are enhanced to show the location of Viking Lander 2 and the ill-fated Mars Polar Lander... http://www.msss.com/ Who packed that chute,...

Actually M104 looks like a flying saucer, not a sombrero. http://www.spaceref.com/news/viewpr.html?pid=16838 Only the ring of gas and dust are sombrero-like

the only numbers that work in this type of speculation are the kind you light with a bic All hail Georgito Busholini, our beloved El Douche`, and his...

Usually I just lurk, but thought I'd share this: http://www.frontiermultimedia.com/deepspace.htm I found it quite inspiring.

When I heard the news that a new, distant asteroid had been discovered, one on the borderline of being recognized a planet, and that it had been named after...

Which planet did Galileo first train his telescope upon - and what did he discover that radically changed the history of astronomy?

What is the difference between an air gap between a doublet vs. oil spaced? Is one type of spacing better than the other? What about cemented versions? How do...

I'll be posting a photo of me taken by a lady who was heading back home to NYC. She emailed me this photo she took of me winter or 03 before I painted the...

Help! I just acquired a used XT10 and notice some swelling around the compressed sawdust boards at the joints in the base. I live in the Northeast and...

It's snowing! It's May 3rd and it's SNOWING!!! Oh Earth Warmers..... -Rich

Hello, In a way, that's scary http://www.nature.com/nature/journal/v434/n7037/full/4341062a.html Semantical translation, quantum leap, whatever... We'll...

Analysis of Starlight 150 years of Astronomical spectroscopy Hearnshaw Page 82, talking about Hermann Carl Vogel and the - newly established Astrophysical...

Anonymous wrote: -----BEGIN PGP SIGNED MESSAGE----- JUST REMEMBER THAT Google is owned and operated by left-wing liberal extremists who routinely...