A. Henden, USNO

Las Positas College
Astronomy Department

Cat's Eye Nebula


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Astronomical Data and Image Retrieval

  • The American Association of Variable Star Observers (AAVSO) is the largest organization of variable star observers worldwide, with members in over 40 countries. Its purpose is to coordinate variable star observations made largely by amateur astronomers, evaluate the accuracy of these observations, compile, process, and publish them, and make them available to researchers and educators.
  • The Planetary Data System (PDS) archives and distributes digital data from past and present NASA planetary missions, astronomical observations, and laboratory measurements.
  • National Space Science Data Center
  • Palomar Observatory Digitized Sky Survey (all 102 CD-ROM's of it!) has been made available on the Web by the Hubble telescope people. You can select a region of the sky up to 1 degree square or (if you know the name of an object in that region) a target name selector will pony up the coordinates. You retrieve the image in either GIF or FITS format.
  • Welcome to SkyView
  • NASA's Astrophysics Data System has announced the availability of the Einstein Archive Service. This service provides query and retrieval capability for the Einstein X-ray Observatory's
    processed data archive. The archive includes about 5000 X-ray observations (in astronomical standard FITS format) taken between 1978 and 1981. A listing of other ADS data services
    available via the World Wide Web is also available.
  • The NSSDC Photo Gallery .