Astronomy Abbreviations and Acronyms

1. CSV
   Catalog of Suspected Variables
2. H
   High Frequency
3. ISR
   Instrument Science Report
4. ISS
   International Space Station
5. l
   London
6. l
   Lagrange
7. l
   Luyten
8. M
   Mercury
9. M
   Meter
10. M
    Mira
11. M
    Messier
12. MAR
    Maintenance and Refurbishment
13. N
    Nitrogen
14. N
    Newton
15. N
    Nova
16. NAM
    National Association of Manufacturers
17. NASM
    National Air and Space Museum
18. P
    Pacific
19. S
    Software
20. S
    Spiral (for Galaxies)

Last updated: August 3, 2021 — Total entries: 5,937