urn:nasa:pds:context:instrument:mount_bigelow.1m54.mont4k 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:mount_bigelow.1m54 instrument_to_telescope urn:nasa:pds:context:facility:observatory.mount_bigelow instrument_to_facility Mont4K CCD Imager Imager Device: Fairchild CCD486 4Kx4K CCD Backside Processed at the University of Arizona Technology Laboratory Device Names: Mont4K SN3088 Device Size: 4096 x 4097 pixels (15 micron pixels) Image Scale: 0.14 arcsec/pixel (7.1 pixels/arcsec) Field of View: 580 x 580 arcsec^2 (9.7 x 9.7 arcmin^2) Gain: 3.1 electrons/ADU Readout Noise: 5.0 electrons Dark Current: 16.6 electrons/pixel/hour Full Well: 131,000 electrons unbinned (191 Ke for 2x2 binned) Operating temperature: -130 C