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“astrometry”
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ad.usno.navy.mil
The USNO Astrometry Department
The Astrometry Department of the U.S. Naval Observatory is responsible for the determination of fundamental positions, motions and distances of selected celestial objects
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stellar.phys.appstate.edu
Appalachian State University Nstars Spectra Project
A database of online spectra from 3600 nearby stars, including photometry, and astrometry