Unezhiv Kh. O.
Unger Rick
Unger S.
Unger Stephen W.
Ungerer V.
Unguru S.
Unione Astrofili Italiani-``Planets" Section Team
United States Naval Observatory
University Observatories Of Michigan
University of Arizona Tucson Team
University of Bern Physikalisches Institut Team
University of New Mexico NESSI Team
University of Texas Collaboration
University-School "Ignatianum" Kracow Poland Collaboration
Unkroth A.
UNM Measurement Astrophysics Group
Uno Koji
Uno Shingo
Unruh Bryce
Untergassmair M.