Wikimedi'Òc

SonomaStateObservatory3211.jpg - File Upload Bot (Magnus Manske)

N. A. Richardson Astronomical Observatory.JPG - Amerique

Seti array.jpg - James McBride

CPC1100wlaser.jpg - Brasted

Hale Solar Laboratory 2008.jpg - BotMultichillT

Navette Columbia traversant le ciel de Californie.jpg - Zyberg~commonswiki

Stony Ridge Observatory buildings 2014-11-05.jpg - Junkyardsparkle

Scope and organization (1909) (14783416282).jpg - SteinsplitterBot

Art Cort Sky Theater at the Community Observatory.jpg - Someyawhoo

CACTUS Observatory tower in Mirrors.jpg - JohnNeutrino

CACTUS Observatory tower.jpg - JohnNeutrino

Wilcox inside.jpg - Synethos

Wilcox observatory.jpg - Synethos

Wilcox obwervatory.jpg - Synethos

Wilcox spectrum.jpg - Synethos

Brackett Observatory in April 2023.jpg - Sdkb

Hale Solar Laboratory, Pasadena.jpg - Piotr433

Hale Solar Laboratory, Pasadena (cropped).jpg - Piotr433