urn:nasa:pds:context:instrument:steward-kittpeak.bok2m3.90prime 1.3 1.25.0.0 Product_Context 2026-07-07 1.3 Removed duplicate Internal_Reference entries from Reference_List. 2025-12-24 1.2 Updated schema version. Adding missing "facility" references. Adding missing "telescope" references. 2025-01-02 1.1 Updated schema version. Adding missing "telescope" references. Update instrument type/subtype to use valid CTLI LDD. 2020-11-09 1.0 Initial export from OLAF urn:nasa:pds:context:telescope:steward-kittpeak.bok2m3 instrument_to_telescope urn:nasa:pds:context:facility:observatory.steward-kittpeak instrument_to_facility 90Prime Mosaic camera Imager The 90Prime Mosaic Camera is a large-format astronomical camera used for wide-field imaging. It is part of the 90-Inch (2.3-meter) Bok Telescope at the Kitt Peak National Observatory (KPNO), operated by the National Optical Astronomy Observatory (NOAO). The camera is primarily used for conducting surveys and scientific research, especially in the areas of galaxy and star formation, stellar evolution, and cosmic structure.