Telescopic Time Machine: The 50 Year Legacy of the Orbiting Astronomical Observatories - Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets, Telescopes
Opplevelser i alle himmelretninger - Mo i Rana
observatorium – Store norske leksikon
Pulsar observatories 2.7m short height observatory dome (flat roof installation)
La Silla-observatoriet – Wikipedia
Fil:Mount Pleasant Radio Telescope.jpg – Wikipedia
Bill Keel's Telescope Life List - Bolshoi Teleskop Azimultanyi
Opplevelser i alle himmelretninger - Mo i Rana
Opplevelser i alle himmelretninger - Mo i Rana
Paranal-Observatorium – Wikipedia
DOME PARTS GmbH - observatory domes, clamshell domes, roll-off observatories, high-end telescopes - Kiruna / SWEDEN