U-B/0 B-V/0 Diagram for Stars of Luminosity Class-V with the Solar Chemical Composition

U-band Imaging Polarimetry of the Blue Optical Lobes in the Abell 1795 Central Cluster Galaxy

U-Band Photometry of Kuiper Belt Objects

U-Band Polarimetry of the Radio-aligned Optical Continuum in the Abell 1795 Cluster Central Galaxy

U-band Polarimetry of the Radio-Aligned Optical Continuum in the Abell 2597 Cluster Central Galaxy

U-band Sources In The Hubble Ultra Deep Field: Precious UV Photons

U-Band Spiral Structure in M31

U-band study of the accretion properties in the sigma Ori star-forming region

U-Geminorum 1970-79

U-Ophiuchi - the Third Body in the System

U-shaped multiband type II radio burst from a behind-limb solar flare

U-shaped outflow in the LYNDS 1221 dark cloud - an example of interaction of outflows with ambient molecular clouds

U-shaped type II solar radio bursts associated with the 1980 March 28 flare

U. B. V. Photometry of NGC 6405

U. C. T. Report (Applied Maths.)

U. Cephei (entdeckt von Ceraski, Juni 1880, A. N. 2324)

U. Geminorum, Baxendell's observations of, edited

U. K. 48-inch Schmidt Telescope Project

U. Leonhardt and P. Piwnicki reply to the ``Comment on `Relativistic Effects of Light in Moving Media with Extremely Low Group Velocity ' '' by M. Visser

U. S. Lyons and observations of comets