The GTC project: under commissioning
The GTC Telescope Control and Data Reduction Systems
The GTC: a convenient test bench for ELT demonstrations
The Guieloa Adaptive Optics System for the Observatorio Astronómico Nacional
The H51-alpha emission associated with the shocked gas in Orion-KL
The Haleakala Stokes polarimeter
The Hanle effect and the determination of magnetic fields in solar prominences
The Hawaii Keck LGSAO Survey of Young Field Dwarfs
The Helios zodiacal light experiment /E 9/
The HEXIT (High Energy X-ray Imaging Telescope) balloon-borne mission
The High Order Test Bench: Evaluating High Contrast Imaging Concepts for SPHERE and EPICS
The High Resolution Telescope Cluster. I - Overview and technical status
The high resolution visible /HRV/ instrument of the SPOT earth observation satellite
The HIPPARCOS Mission: a New Era for Variable Star Astronomy
The History and Development of the ESO Active Optics System
The history and promise of the Hubble Space Telescope
The HITRAN database - 1986 edition
The Hobby-Eberly Telescope Low Resolution Spectrograph
The Hobby-Eberly Telescope: performance upgrades, status, and plans
The Hoher List observations of the occultation of 28 Sagittarii by Titan