Are you searching for star charts?
I bet there is no other company better in searching than Google! And Google has added a cool new feature to their Google Earth software, called Google Sky! And guess what Google Sky does? It is similar to a search engine for star charts. Just enter any stellar object in the search box and Google Sky will fly you there. You can zoom in and out the constellation star charts, or learn about the universe in the many info boxes.
Or do you like to look at the fantastic Hubble Telescope images? They are integrated!
How can I install Google Sky for the star charts and what does it cost me?
Now comes the best: It is absolutely free!
Download Google Sky (contained in Google Earth)
Google Sky is just a module in the free Google Earth software: under “view” -> “switch to sky” you find the program module “Google Sky” that will give you incredible insights to the depths of outer space!
What you get is an absolutely amazing view of the starry sky above your current position. The imaginery is delivered by institutions like the Space Telescope Science Institute (STScI) in Baltimore. Views that had been reserved to astronauts up to now are brought to you by the Hubble Space Telescope operated by NASA/ESA. Want to learn about constellations? Want to see pictures of a supernova? Or wondered where Sirius is? Find out and strengthen your knowledge about the universe. Google Earth is part of Google Pack, and you can download it here, just follow the instructions on the google page:Download Google Sky (contained in Google Earth)