FLI PL-16803 Mono CCD coupled to a FLI 10 position wheel and Astrodon 50mm unmounted LRGB & narrowband HA O3 S2 N2 3nm filters
All large glass Kodak sensors (apart from class 0) will have hot pixels and column defects which are completly normal, when you combine dithering, the supplied calibration frames and good user software calibration practices they are a none issue in the final image.