Web site of the Anglo Australian Obesrvatory and the UK Schmidt Telescope

Arecibo Observatory Home Page

ESO - The European Southern Observatory Homepage

Web site of the Keck Observatory on Hawaii

Mount Palomar Obsrvatory with the 100inch Hale telescope

Web site of Mount Wilson observatory (Hooker Telescope)

Web site of the National Optical Astronomy Observatory, the national center for ground-based nighttime astronomy in the United States

Web site of the National Radio Astronomy Observatory, one of the world's premier research facilities for radio astronomy (VLA, VLBA, ALMA, GBT)

Web site of Paranal Observatory (VLT) in Chili

News, features and links from the Royal Observatory in Greenwich

The National Astronomical Observatory of Japan (NAOJ) has constructed a superlative 8.2 meter optical-infrared telescope at the summit of Mauna Kea in Hawaii, the Subaru Telescope

The US Naval Observatory, Precise Time and Astrometry, Astronomical Data

WISE OBSERVATORY, Astronomy in Israel

Web site of the Yerkes Observatory in Chicago

Welcome at sasteria. An observatory in the southeast of crete.Located 420 m. high up in a small village. Where the deep sky is so striking and the nights are very dark.