AAT Anglo-Australian Telescope APO Apache Point Observatory, New Mexico State University BBSO Big Bear Solar Observatory CAO Calar Alto Observatory CTIO Cerro Tololo Observatory ESO European Southern Observatory EUVE Extreme Ultra-Violet Explorer (Satellite) GAL Galileo Spacecraft Solid State Imaging Camera GCO Grove Creek Observatory GEA Grup d'Estudis Astronomics (Non-professional team that follows and cooperates in professional astronomy research HST Hubble Space Telescope IUE International Ultra-Violet Explorer (Satellite) IRTF Infrared Facility Telescope KAO Kuiper Airborne Obserservatory KECK Keck 10m Telescope KITT Kitt Peak National Observatory LCP Las Campanas, 2.5m Dupont Telescope LICK Lick Observatory LOW Lowell Observatory, Flagstaff Arizona LPM La Palma (European Sourthen Observatory) MCD The University of Texas McDonald Observatory MSSSO Mount Stomlo and Siding Spring Observatories NSFCAM 256 x 256 InSb (1-5 micron_ facility camera at the IRTF NSO National Solar Observatory, Sunspot New Mexico OAN Observatorio Astronomico Nacional, MEXICO ON Observatorio de la Cote d'Azur PAL Mount Palomar, 200 inch Hale Telescope PHIL Air Force Maui Optical Station (Phillips Lab) ROS Rosat High Resolution X-ray Imager SAAO South Africa Astronomical Observatory SPIREX South Pole Infrared Explorer TAMU Texas A&M University TDE Teide Observatory UH University of Hawaii VTT Vaccum Tower Telescope (National Solar Observatory), Sunspot New Mexico WFS Wilhelm Foerster Observatory, Berlin Germany WHAT Whately Observatory WIL Mount Wilson WIO Wyoming Infrared Observatory
The first part of the image name will be a keyword coresponding to the source observatory of the image. The keywords list can be found in the file "KEY." There will usually be an underscore (_) separating the first half of the name from the second half of the name. The last part of the image name is the latest Fragment Impact visble, with an index on the end if there more than one...
For example:
MCD_L3.gif breaks down as follows:
MCD -> The University of Texas McDonald Observatory,
L -> Fragment L of Comet P/Shoemaker-Levy 9 is the most recent visible
fragment
3 -> It is the third image of this type...