Opacity enhancements in the stellar wind of 68 Cygni - Not 'shells' or 'puffs'

Opacity tables for Cepheid variables

Opacity, metallicity, and Cepheid period ratios in the galaxy and Magellanic Clouds

Open Boundary Conditions for Dispersive Waves.

OpenOrb: Open-source asteroid orbit computation software including statistical ranging

Operating a petabyte class archive at ESO

Operational halo orbit maintenance technique for SOHO

Optical and radio variability in blazars

Optical bias and hierarchical clustering

Optical conditions in a homogeneous spherical envelope

Optical detection of space debris using a large achromatic coronograph

Optical fluctuations from moving partially coherent sources

Optical observables in stars with non-stationary atmospheres

Optical properties of cometary dust

Optical properties of dust aggregates. I - Wavelength dependence

Optical properties of fine amorphous carbon grains in the infrared region

Optical properties of the accretion disk in the HZ Her /Her X-1/ system

Optical properties of the earth's surface and long-term perturbations of LAGEOS's semimajor axis

Optical ray deflection in the gravitational field of a massive disk

Optical spectroscopy of IRAS sources with infrared emission bands - IRAS 21282+5050 and the diffuse interstellar bands