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Dark Sky Collaborators: Arizona (AZ) Observatories, Communities, and Businesses

Published online by Cambridge University Press:  05 March 2015

Elizabeth Alvarez del Castillo
Affiliation:
AdC Consulting, Tucson, AZ, USA email: ema26@cornell.edu
Christopher Corbally
Affiliation:
Vatican Obs., Vatican City State email: corbally@as.arizona.edu
Emilio E. Falco
Affiliation:
Smithsonian Astrophysical Obs, Cambridge, MA, USA email: falco@cfa.harvard.edu
Richard F. Green
Affiliation:
Large Binocular Telescope Obs., Tucson, AZ, USA email: rgreen@lbto.org
Jeffrey C. Hall
Affiliation:
Lowell Obs., Flagstaff, AZ, USA email: jch@lowell.edu
G. Grant Williams
Affiliation:
MMT Obs., Univ. of Arizona, Tucson, AZ, USA email: ggwilli@mmto.org
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Abstract

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With outdoor lighting ordinances in Arizona first in place around observatories in 1958 and 1972, then throughout the state since 1986, Arizonans have extensive experience working with communities and businesses to preserve our dark skies. Though communities are committed to the astronomy sector in our state, astronomers must collaborate with other stakeholders to implement solutions. Ongoing education and public outreach is necessary to enable ordinance updates as technology changes. Despite significant population increases, sky brightness measurements over the last 20 years show that ordinance updates are worth our efforts as we seek to maintain high quality skies around our observatories. Collaborations are being forged and actions taken to promote astronomy for the longer term in Arizona.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2015