Celestial Objects Abbreviations and Acronyms

  1. NSO
    National Solar Observatory
  2. NTT
    New Technology Telescope
  3. OAO
    Orbiting Astronomical Observatory
  4. OPAG
    Outercplanets Assessment Group
  5. ORFEUS
    Orbiting and Retrievable Far and Extreme Ultraviolet Spectrometer
  6. PAH
    Polycyclic Aromatic Hydrocarbon
  7. PAN-STARRS
    Panoramic Survey Telescope and Rapid Response System
  8. PCAH
    Polycyclic Aromatic Hydrocarbon
  9. PDBI
    Plateau De Bure Interferometer
  10. PNG
    Planetary Nebulae, Galactic
  11. PZT
    Photographic Zenith Tube
  12. QBO
    Quasi-Biennial Oscillation
  13. RA
    Right Ascension
  14. RASC
    Royal Astronomical Society of Canada
  15. RECONS
    Research Consortium On Nearby Stars
  16. RGO
    Royal Greenwich Observatory
  17. RQQ
    Radio Quiet Quasar
  18. RSA
    Russian Space Agency
  19. RTG
    Radioisotope Thermoelectric Generator
  20. RXTE
    Rossi X-Ray Timing Explorer

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