| Acronym | Meaning |
 | AAO | Anglo-Australian Observatory |
| NSO | National Solar Observatory |
| NTT | New Technology Telescope |
| TSUP | Tsentr Upravileniya Polyoti |
| IGY | International Geophysical Year |
| IMO | International Meteor Organization |
| HUT | Hopkins Ultraviolet Telescope |
| NICMOS | Near Infrared Camera/Multi Object Spectrometer |
| SL-J | SpaceLab Japan |
| SETI | Search For ExtraTerrestrial Intelligence |
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