Emerald Observatory for iPad!

Emerald Observatory displays a wealth of astronomical information all on one screen, in a unique but understandable format. Information includes:- 12- and 24-hour ordinary clock time- Times of rise and set for the Sun, the Moon, and the 5 classical planets- Times of the beginning and ending of twilight- Heliocentric orrery (display of the planets in orbit around the Sun)- Altitude and azimuth for the same bodies (one body at a time)- Current phase and apparent orientation and relative size of the moon- Current regions of day and night on a world map- The Equation of Time, solar time, UTC time, and sidereal time- Month, day, year, and leap-year indicator- Daily alarm (delivered as local notification on iOS 4+ if app is not running)- Eclipse simulator- Displayed times are synchronized via NTP to atomic clock standard- Uses iPad location, or the latitude and longitude may be set manuallyA setting is available to allow the display to stay on continuously. Like all apps Emerald Observatory can not change the devices internal clock.)