Observations at the Clarke and Coyote Astrophysical Observatory are done by Chuck Pullen (cpullen@pacsafe.com).
Telescope parameters: Long= -121.27, Lat=+38.38, Alt= 21 m.
Optical configuration: 28 cm Schmidt Cassegrain, f/10
CCD camera: TI-241
Filters: Johnson-Cousins BVRI