HMNAO also produces astronomical data suitable for a wide range of users, including professional and amateur astronomers, mariners, aviators, surveyors, the armed forces, lawyers, religious groups, architects, schools, diary and calendar publishers, photographers and film crews. This information can be accessed via the web by using Websurf.
This facility is in a beta test phase and the data produced by this service are for personal use only. Those without web access should contact the Astronomy Information Service of the Royal Observatory, Greenwich. All commercial users should contact HMNAO directly