Astronomical photography cameras which incorporate a CCD (Charge-coupled device) sensor made up of tiny photoelectric cells which record the image. From there the image is processed by the camera and then saved on the memory card.
The resolution or detail capacity of the image depends on the number of photoelectric cells of the CCD. This number is expressed in pixels. The greater the number of pixels, the greater the sharpness in relation to the size.
CCD sensors register gradations of the three basic colors: red, green and blue ("RGB"), therefore, three pixels, one for each color, form a set of photoelectric cells capable of capturing any color in the image.
CCD cameras have been successful in the field of astrophotography, have 70% more sensitivity than typical photographic films, and allow image correction by computer processing and adjustments.
These types of cameras are recommended for telescopes with GO-TO system or equipped with tracking motors.
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