Since 1988, with the introduction of Law 31/1988 on the Protection of the Astronomical Quality of the Observatories of the Institute of Astrophysics of the Canary Islands, commonly known as the “Law of the Sky”, the manufacturers of outdoor lighting

Since 1988, with the introduction of the Spanish Act 31/1988 (Ley 31/1988) on the Protection of the Astronomical Quality of Canary Islands Institute of Astrophysics (IAC) Observatories, commonly known as the “Sky Act”, external lighting manufacturers have become increasingly aware