By David J. Eicher
The bottom end of the 3.5-meter WIYN Telescope, showing a great view of active mirror actuators, Kitt Peak National Observatory, Arizona, February 12, 2014.
Related blog: A visit to Kitt Peak National Observatory
Our community is FREE to join. To participate you must either login or register for an account.
Receive news, sky-event information, observing tips, and
more from Astronomy's weekly email newsletter.