Flexible, stand-alone lighting controller that features an in-built astronomical clock and substitutes a conventional photocell. Thanks to the astro-clock, NightSky can adapt to local sunset/sunrise times, season change and geographical locations. NightSky works just as a Dynadimmer and can be integrated into a luminaire or inside a control cabinet. Main features: universal lamp compatibility, custom lighting profiles, applicable to solar lighting, substitutes a conventional photo cell, individual and group lighting control.