Your eye is an imperfect sensor, film is an imperfect sensor, the color sensor in your camera is an imperfect sensor, and astronomers do things in particular wa

Your eye is an imperfect sensor, film is an imperfect sensor, the color sensor in your camera is an imperfect sensor, and astronomers do things in particular ways because we're doing science with the data. The paper always says how the image was made. If you want to know, look there, not at a press release.