Amateur astronomers observe a variety of celestial objects and phenomena, including the Sun, the Moon, planets, stars, comets, meteor showers, and a variety of deep sky objects. One branch of amateur astronomy, amateur astrophotography, involves the taking of photos of the night sky. Astrophotography has become more popular with the introduction of far easier to use equipment including, digital cameras, DSLR cameras and relatively sophisticated purpose built high quality CCD cameras.