Implementation of IAU Resolution 2009 B5, “in Defence of the night sky and the right to starlight”

IAU Resolution 2009 B5 calls on IAU members to protect the public`s right to an unpolluted night sky as well as the astronomical quality of the sky around major research observatories. The approach of Commission 50 - astronomical site protection - includes working with the lighting industry for appropriate products from rapidly evolving solid state technology, arming astronomers with training and materials for presentation, selective endorsement of key protection issues, cooperation with other IAU commissions for education and outreach with particular current attention to the International Year of Light, and provision of clear quantitative priorities for outdoor lighting standards. In 2012, these priorities were defined as full cut-off shielding, spectral management to minimize output shortward of 500 nm, and zone- and time-appropriate lighting levels. Revisiting the specifics of these priorities will be a topic for current discussion.

Richard Green

AUTHORS/INSTITUTIONS: R.F. Green, Steward Observatory, University of Arizona, Tucson, Arizona, UNITED STATESC.E. Walker, Education and Public Outreach, National Optical Astronomy Observatory, Tucson, Arizona, UNITED STATES


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