Dome of the WIYN telescope at Kitt Peak

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Dome of the WIYN telescope at Kitt Peak

WIYN telescope. Panoramic view of the dome interior of the WIYN (Wisconsin, Indiana, Yale, NOAO) telescope, with the Kitt Peak observatory, USA, in the background. The WIYNs 3.5-metre prim- ary mirror focuses light onto a 1.2 metre second- ary mirror which in turn reflects the light down onto a tertiary mirror which reflects the light sideways to instruments. The flexible primary mirror has 66 actuators which adjust its shape to compensate for distortions. The openings in the side of the dome allow the mirrors to be cooled to ambient air temperatures. The weight of the tele- scopes moving parts, including its alt-azimuth mount, is only 46 tons. It was completed in 1994

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Media ID 6453433

© DAVID PARKER/SCIENCE PHOTO LIBRARY

Arizona Astrophysics Kitt Peak National Observatory Telescope Us A

EDITORS COMMENTS
This print showcases the magnificent Dome of the WIYN telescope at Kitt Peak, USA. With the breathtaking Kitt Peak observatory in the background, this panoramic view offers a glimpse into the interior of the WIYN (Wisconsin, Indiana, Yale, NOAO) telescope. The WIYN telescope boasts a remarkable 3.5-meter primary mirror that efficiently focuses light onto a secondary mirror measuring 1.2 meters in diameter. This secondary mirror then reflects the light downwards onto a tertiary mirror which redirects it sideways towards various instruments for analysis and observation. What sets this telescope apart is its flexible primary mirror equipped with an impressive 66 actuators. These actuators work harmoniously to adjust and compensate for any distortions encountered during observations, ensuring unparalleled image quality. To maintain optimal performance, openings on the side of the dome allow for cooling of these intricate mirrors to match ambient air temperatures. Surprisingly lightweight considering its complexity, including its alt-azimuth mount, this awe-inspiring piece of astronomical engineering weighs only 46 tons. Completed in 1994 as a collaborative effort between Wisconsin University, Indiana University, Yale University and NOAO (National Optical Astronomy Observatory), this technological marvel continues to push boundaries in astrophysics research at Kitt Peak National Observatory. (Photo credit: Science Photo Library)

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