Celestial Abbreviations and Acronyms

1. AEU
   Advance European Union
2. AP
   Assumed Positios
3. GP
   Geographical Position
4. GP
   Geographic Position
5. HA
   Hour Angle
6. IHECS
   Institut Des Hautes Etudes De Communications Sociales
7. LHA
   Local Hour Angle
8. LLANS
   Longitudinal Literacy and Numeracy Study
9. NA
   Nautical Almanac
10. NOVAS
    Naval Observatory Vector Astrometry Software
11. PTP
    Purple Tape Pedigree
12. RA
    Rigkt Ascension

Last updated: January 4, 2020 — Total entries: 12