Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921401s&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #214.01; Bulletin of the American Astronomical Society,
Astronomy and Astrophysics
Astronomy
Scientific paper
In 1999, after 6 years of intense work wirh Chilean authoritie Eduardo Frei Ruiz-Tagle, the then President of Chile signed into law Supreme Decree 686, the environmentally-linked "Norma Luminica". This, in effect, required that lighting in the three astronomically-sensitive Regions of Northern Chile (II Paranal,Armazones III Las Campanas IV La Silla, Tololo, Pachon) be directed downwards instead of into the sky. Various grace periods up to a maximum of five years were specified for different types of lighting. Street lighting was due to be fully compliant by 1st October, 2005. 70% of the street lighting in these 3 Regions now meets specifications and work continues towards full compliance.
More sophisticated draft legislation is under consideration with several Chilean national authorities. This may include international lighting norms, energy-saving caps and measures to address energy-saving, environmental and human-health issues.
With vigilance, these measures are likely to extend the useful life of all existing and major planned observatories in Chile by several decades.
Sanhueza Patricio
Schwarz Hugo E.
Smith Malcolm G.
Walker Alistair R.
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