Kitt Peak National Observatory

• 4 meter Mayall
• 2.1 meter
• 0.9 meter Coude Feed
• 1.3 meter
• 0.9 meter
• 0.4 meter (Visitor Center)

National Solar Observatory

• 2 meter McMath-Pierce (main heliostat)
• 0.9 meter McMath-Pierce (east aux. heliostat)
• 0.9 meter McMath-Pierce (west aux. heliostat)
• 0.7 meter Solar Vacuum
• 0.1 meter Razdow

WIYN Observatory (Wisconsin, Indiana, Yale & NOAO)

• 3.5 meter

National Radio Astronomy Observatory

• 12 meter
• 25 meter VLBA (Very Long Baseline Array)

Case Western Reserve University Observatory

• 0.6 meter Burrell Schmidt

Edgar O. Smith Observatory

• 1.2 meter Calypso

MDM Observatory (Michigan, Dartmouth & MIT)

• 1.3 meter McGraw Hill
• 2.4 meter Hiltner

MIT/NASA Observatory

• 0.18 meter ETC/RMT (Explosive Transient Camera/Rapidly Moving Telescope)

SARA Observatory (Southeastern Association for Research in Astronomy)

• 0.9 meter

Steward Observatory (University of Arizona)

• 2.3 meter Bok Reflector
• 0.9 meter Spacewatch
• 1.8 meter Spacewatch

WHAM (Wisconsin Hydrogen Alpha Mapping)

• 0.6 meter