TY  - GEN
ED  - Nautical Almanac Office, United States Naval Observatory
TI  -  Astronomical Almanac for the year 2023: and its companion the astronomical almanac online data for astronomy, space sciences, geodesy, surveying, navigation, and other applications
SN  - 978-0-7077-46333
PY  - 2022///
CY  - Washington
PB  - U. S. Government Publishing Office
KW  - Astronomical almanac
KW  - Ephemeris
ER  -