| Acronym | Meaning |
| BFC | Backup Flight Computer |
| SST | Spectroscopic Survey Telescope / SuperSonic Transport |
| RNGC | Revised New General Catalog |
| M | Messier |
| S/C | SpaceCraft |
| AFPRO | Air Force Plan Representative Office |
| RA | Right Ascension |
| SDIO | Strategic Defense Initiative Organization |
| JCMT | James Clerk Maxwell Telescope |
| ICE | International Cometary Explorer |