2dF: Two-degree Field
6dF: Six-degree Field
ACIS: Advanced CCD Imaging Spectrometer
ACP: Aerosol Collector and Pyrolyser
ACS: Advanced Camera for Surveys
ALEXIS: Array of Low Energy X-ray Imaging Sensors
AO: Adaptive Optics
AOR: Astronomical Observation Request
APM: Automatic Plate Measuring
BAT: Burst Alert Telescope
BATSE: Burst and Transient Source Experiment
CAPS: Cassini Plasma Spectrometer
CCD: Charge Coupled Device
CIAO: Coronagraphic Imager with Adaptive Optics
CIDA: Cometary Interplanetary Dust Analyzer
CISCO: Cooled Infrared Spectrograph and Camera for OHS
COHSI: Cambridge OH-Suppression Instrument
COMICS: Cooled Mid Infrared Camera and Spectrometer
COSTAR: Corrective Optics Space Telescope Axial Replacement
DISR: Descent Imager/Spectral Radiometer
DWE: Doppler Wind Experiment
FGS: Fine Guidance Sensors
FHST: Fixed Head Star Trackers
FLAMES: Fibre Large Array Multi Element Spectrograph
FOC: Faint Object Camera
FOCAS: Faint Object Camera and Spectrograph
FOS: Faint Object Spectrograph
FOV: Field of View
FUVITA: Far UltraViolet Imaging Telescope Array
FWHM: full width at half maximum
FWZI: Full Width at Zero Intensity
GCMS: Gas Chromatograph and Mass Spectrometer
GHRS: Goddard High Resolution Spectrograph
GIMI: Global Imaging Monitor of the Ionosphere
GRS: Gamma Ray Spectrometer
HASI: Huygens Atmosphere Structure Instrument
HDS: High Dispersion Spectrograph
HGA: High Gain Antenna
HMC: Halley Multicolor Camera
HRC-I: High Resolution Camera