CSU Passive Optical Observatory at Platteville

• Dr. Biff Williams of Colorado State University operates a passive optical facility in a trailer at the NOAA radar site near Platteville, CO.
• Since August 2001, the Whitworth College OH imager has operated automatically taking broadband OH images at a 2 min cadence at night.
• A sodium imager operated built by Biff Williams operated during several periods in 2002. That imager is currently being converted use the green line of OI at 557.7nm.
• Takuji Nakamura has installed another OH imager at the Yucca Ridge Observatory northeast of Fort Collins, CO to do optical tomography with the Platteville OH imager to determine OH layer altitudes.
• Kazuo Shiokawa installed 3 OH temperature photometers from September to November, 2003 to calibrate against the CSU sodium lidar temperatures.
• OH data