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ST-6 Specifications CCD CCD Type: TC241 (Texas Instruments) CCD Architecture: Full Frame Pixels Number of Pixels: 375 x 242, total: 90,750 Pixel Sizes: 23 x 27 microns Array Dimensions: 8.6 x 6.5 mm, diagonal: 10.8 mm Full Well Capacity: 400,000 electrons Binning Modes: 1 x 1, 1.5 x 1, 1.5 x 2 Operation Shutter: electronic, Electromechanical Vane Exposure: 0.01 to 3600 seconds, 10 ms resolution Full Frame Acquisition: 25 seconds Cooling: -40° C from ambient, 0.1° C resolution Dark Current: 23 electrons/second/pixel at -30° C, doubles with every 8° C rise in temperature Antiblooming: variable rate Guiding: Autoguiding and Track & Accumulate Electronics Read Noise: 30 electrons rms, Double Correlated Sampling A/D Converter: 16 bits (65,535 gray levels) A/D Gain: 6.7 electrons/ADU Misc. Camera Weight: 2.5 pounds Head Mount Size: 1.25 inch