View from the roof of the Keck Observatory shortly before sunset. Other telescopes atop Mauna Kea are visible in the background.

The following are descriptions of locations in the panoramic image.

Location 1 - Weather station
Used to monitor weather conditions atop Mauna Kea. This view toward this weather station is due north.

Location 2 - Keck II Door
Each of the twin Keck Observatory domes stands eight stories tall and weighs 300 tons, yet operates with nanometer precision.

Location 3 - Keck II Dome
Each of the twin Keck Observatory domes stands eight stories tall and weighs 300 tons, yet operates with nanometer precision.

Location 4 - NASA Infrared Telescope Facility
3.0-meter diameter infrared telescope operated by University of Hawaii for NASA.

Location 5 - Canada-France-Hawaii Telescope
3.6-meter optical telescope operated by Canada, France, and Hawaii.

Location 6 - Gemini Telescope
An 8-meter optical/IR telescope operated by a consortium of seven countries.

Location 7 - UH 2.2 Meter Telescope
Optical/IR telescope used mainly by University of Hawaii faculty and students.

Location 8 - United Kingdom Infrared Telescope
A 3.8-meter infrared telescope operated by the United Kingdom.

Location 9 - Keck I Dome
Inside each Keck dome is a multi-ton rotating structure that supports the telescope. The entire blue-colored structure seen here can be rotated full circle.