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KPNOKitt Peak National Observatory
KPNOKodak Photonet Online
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References in periodicals archive ?
Farther south, outdoor lighting in Tucson became regulated in 1972, the first of many enactments to protect Kitt Peak National Observatory (KPNO).
On five dates during the fall of 2002, the asteroids 252, 501, 506, 537, 585, 663, 702, and 907 were observed remotely, for two to four hours each, from the SARA 0.9m f7.5 telescope at KPNO, Arizona.
Bruce Balick (University of Washington) also took some very spectacular pictures of planetary halos using the KPNO 2.1-meter telescope (S&T: October 1991, page 347).