NASA confirmed, that Kepler-22B planet is first Earth-like planet orbiting Sun-like star in habitable zone! One orbit around it's star Kepler-22 takes 290 days, simmilar to our planet. This planet is visible with better astronomical telescopes with at least 10cm mirrors, from Earth. I am using Celestron Powerseeker with 127mm large mirror.
http://www.nasa.gov/mission_pages/kepler/news/kepscicon-briefing.html