Division I Commission 4 Ephemerides

President

George H. Kaplan

US Naval Observatory
Astronomical Applications (contractor)
3450 Massachusetts Ave NW
US Washington DC 20392-5420
United States

Phone: +1 410 658 0484
Email 1: gkgkaplanus
Email 2: gkaplanzoominternetnet
Personal website: http://gkaplan.us
Organization website: http://aa.usno.navy.mil/

Last updated:
September 8, 2011

Vice-President

Catherine Y. Hohenkerk

UKHO
HM Nautical Almanac Office
Admiralty Way
GB Taunton TA1 2DN
United Kingdom

Phone: +44 1823 337900
Fax: +44 1823 284077
Email 1: CatherineHohenkerkUKHOgovuk
Email 2: chohenkerkvirginnet
Organization website: http://www.ukho.gov.uk/HMNAO

Last updated:
September 8, 2011