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Elevation: 2071 m = 6795 ft. Latitude: +31° 57' 46.5" Longitude: 111° 36' 01.6"W Time Zone: +7 hours Primary Mirror Clear Aperture: 2.29 m = 90 inches diameter Primary Focal Ratio: f/2.66 Typical Seeing: 1.5"
f/9 Ritchey-Chretien focus Plate Scale: 104 microns/arcsec = 9.66 arcsec/mm (nominal) Usable Field of View: 45 arcminute diameter (curved focal plane) Central obscuration = 14%
List of Certifiers
Bok 90" Telescope Checklist for Basic Certification
Certification Form
Required Reading
Kitt Peak NOAA Weather
Kitt Peak Clear Sky Chart
Atmospheric Sciences Arizona IR
Atmospheric Sciences Arizona Radar
All Sky Camera
Bok Weather
Recent Changes and Known Issues
How to Take Flats
Detector Information
Optics
Filters
Operation
90Prime vs 90PrimeOne
Focus
Dithered Exposure
Pointing and WCS Flexture
90Prime Documents