Time and Place:  Unless otherwise noted, colloquia will take place on Thursday from 11:30 am - 12:30 pm in the building 56 large conference room.  Colloquia will be preceded by coffee starting around 11:00 am and will be followed by lunch at a local restaurant.

Map and Directions:   Maps and  directions to the observatory can be found on the web page: Travel Directions.

Security Requirements: New security requirements have been put in place that require visiting colloquium attendees to have a USNO sponsor. Please contact your USNO point of contact with whom you are acquainted and request their assist by submitting your name to the Colloquium Coordinator at least two days prior to the colloquia. Visitors without sponsorship will not be authorized entry onto the U.S. Naval Observatory grounds. All visitors must have a picture identification and will be given a visitor's badge at the gate which must be worn at all times and returned to the Security Police on your departure. Add additional time prior to arriving at your meeting for issuance of a visitors badge and vehicle inspections. Non-U.S. citizens must be sponsored by two USNO sponsors. Directions: Entry will be via the South Gate only. If traveling south on Massachusetts Ave. NW, proceed past the Observatory's Main Gate and turn right at the next traffic light, which is Observatory Circle. The South Gate is at the end of the road. If travelling north on Massachusetts Ave. NW, Observatory Circle is at the traffic light by the British Embassy. Turn left and proceed to the end of the road. Security guards will check your vehicle, ID, and direct you to the parking area. The colloquium will be held in the large conference room of Building 56. Information: If you have any questions, call the Colloquium Coordinator's office at 202-762-1085, or send an e-mail to:  me<<AT>>usno<<DOT>>navy<<DOT>>mil