Mayall 4-Meter Telescope Photo Gallery

©2011 by Fred Espenak. All rights reserved.


The 4-meter (158-inch) Mayall Telescope is one of the largest optical telescopes in the world. Located near the 6875-foot summit of Kitt Peak, the 18-story observatory building can be seen from over 50 miles away. The telescope's 15 ton primary mirror is polished to one millionth of an inch and has a reflective aluminum coating one thousandth the thickness of a human hair.

The Mayall Telescope is used primarily for visible and infrared light observations and has played an important role in many fields of research. For example, the rotation curves of distant galaxies have been observed in order to determine the role of dark matter in the universe.

(Adapted from Kitt Peak Virtual Tour )

Steward Observatory's 2.3-meter Bok Telescope (also known as the 90-inch) is one of the largest telescopes on Kitt Peak. Built in 1969, the telescope is used for both imaging and spectroscopy by astronomers from University of Arizona, Arizona State University, and Northern Arizona University. The telescope is named in honor of Bart Bok, the prolific astronomer and director of Steward Observatory from 1966–1969.

(Adapted from Bok Telescope Home Page )

The following photo gallery presents a collection of images of Mayall and Steward Observatories.


Click on each thumbnail to see a larger image.




Mayall and Steward Observatory Domes
Portrait of
Steward & Mayall - 1

KP02-305w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter Dome - 2
KP02-313w.jpg

Mayall and Steward Observatory Domes
Portrait of
Steward & Mayall - 2

KP02-104w.jpg

Mayall 4-Meter Telescope
Looming 4-Meter Dome
In Moonlight

KP83-423w.jpg

Mayall and Steward Observatory Domes
Massive Steward &
Mayall Observatories

KP02-109w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter
Dome - 1

KP02-311w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter
Telescope - 2

KP80-115w.jpg

Steward 90-Inch Bok Telescope
Looking Up at
Steward Observatory

KP02-116w.jpg

Mayall 4-Meter Telescope
Sunburst &
4-Meter Dome

KP80-113w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter
Telescope - 3

KP76-104w.jpg

Mayall and Steward Observatory Domes
Portrait of Steward
& Mayall - 3

KP02-308w.jpg

Mayall 4-Meter Telescope
Circumpolar Star Trails
& Mayall

KP83-422w.jpg

Mayall 4-Meter Telescope
Mayall In Moonlight
KP83-451w.jpg

Kitt Peak National Observatory
Sweeping View
of Kitt Peak

KP02-316w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter Dome - 3
KP80-112w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter
Telescope - 1

KP76-105w.jpg

Kitt Peak National Observatory
Kitt Peak Summit
In Moonlight

KP76-110w.jpg

Mayall 4-Meter Telescope
Portrait of Steward
& Mayall - 4

KP02-107w.jpg

Mayall 4-Meter Telescope
Big Dipper
& Mayall Dome

KP80-147w.jpg

Mayall and Steward Observatory Domes
Portrait of Steward
& Mayall - 5

KP80-111w.jpg

Mayall and Steward Observatory Domes
Star Trails Above
Steward & Mayall

KP83-221w.jpg

Mayall 4-Meter Telescope
Rising Dome of Mayall
KP02-115w.jpg

Mayall and Steward Observatory Domes
Steward & Mayall Domes
In Moonlight

KP80-221w.jpg

Mayall 4-Meter Telescope
Mayall 4-Meter
Telescope - 4

KP02-317w.jpg

Mayall 4-Meter Telescope
Twilight Glow
on Mayall Dome

KP84-101w.jpg




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