100 Hours of Astronomy Cornerstone Project of IYA2009

The 100 Hours of Astronomy cornerstone project (100HA) is a round-the-clock, worldwide event with 100 continuous hours of a wide range of public outreach activities taking place: from 2-5 April. A high-profile opening event. will include presentation of Galileo's original telescope. Webcasts of international science center discussions and 24 Hours of webcasts from professional research observatories will follow. A 24-hour global star party will occur on the last day. The Moon's phase will range from first; quarter to gibbous, good phases for early evening observing, and Saturn will also be well placed for early evening observing events. Amateur astronomers will be encouraged to present educational events in schools as well as non-traditional venues. Online resources will include advertising; educational and how-to materials.