Studies with the 200- inch telescope soon showed that this star flickered in an extra- ordinary manner, changing in brightness from one minute to the next.

Today, the 60 inch telescope is used for public outreach.

As with the 60 inch telescope, the entire telescope is suspended on a mercury bearing, to allow it to turn smoothly.

The research was performed on the 200 inch (5.08 meter) diameter aperture Palomar Hale telescope.

In 1967, the 12 inch telescope at the observatory made its last professional photometric observations.

In addition to the Planetarium, the Museum offers facilities for night sky observation with a fully automatic 11 inch telescope.

The two 30 inch telescopes had taken the crown from the 69 cm at Vienna Observatory (completed early 1880s).

Mt. Palomar has turned the great 200 inch telescope on us.

With a 20 inch telescope it is one of the UK's largest and most advanced astronomical teaching facilities.

A fund of $13,000 was raised to purchase a 16 inch telescope for Swift.