A few photos of the atmosphere
Palomar Observatory near San Diego, California, is a center of astronomical research owned and operated by Caltech. The Observatory is home to three active research telescopes: the 200-inch (5.1-meter) Hale Telescope, the 48-inch (1.2-meter) Samuel Oschin Telescope, and the 60-inch (1.5-meter) telescope. Research at Palomar Observatory is pursued by a broad community of astronomers from Caltech and other domestic and international partner institutions. The Observatory is also a popular destination in Southern California and receives tens of thousands of visitors a year from all over the world. Please be sure to check our guided tour schedule beforehand to ensure a more enjoyable visit.