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DarkSky International, formerly the International Dark-Sky Association (IDA), [1] is a United States–based non-profit organization incorporated in 1988 by founders David Crawford, a professional astronomer, and Tim Hunter, a physician and amateur astronomer.
The dark-sky movement is a campaign to reduce light pollution.The advantages of reducing light pollution include an increased number of stars visible at night, reducing the effects of electric lighting on the environment, improving the well-being, [1] health [2] and safety [3] of people and wildlife, [4] and cutting down on energy usage.
A dark-sky preserve status enables high-quality astronomical observation in Paranal Observatory. [1] A dark-sky preserve (DSP) is an area, usually surrounding a park or observatory, that restricts or reduces light pollution or maintains and protects naturally dark night skies. Different terms have been used to describe these areas as national ...
Dark infrastructure refers to interconnected networks of natural, semi-natural and urbanized spaces, characterized by low levels of artificial light at night (ALAN), that create ecological continuities in order to provide benefits such as ecological restoration, wildlife conservation, and human health. Dark infrastructure aims to recognize the ...
International Dark Sky Week (formerly the National Dark Sky Week) is held during the week of the new moon in April, [1] [2] when people worldwide may turn off their lights to observe the beauty of the night sky without light pollution. This event was founded in 2003 by high school student Jennifer Barlow of Midlothian, Virginia. [3]
The Kawarau Gibbston Dark Sky Park is a dark-sky preserve located between Cromwell and Queenstown in the Queenstown-Lakes District in the South Island of New Zealand. It covers an area of 25 km 2 (9.7 sq mi) along a section of the Kawarau River , and is centred on the small community of Gibbston .
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For the Wairarapa reserve, the dark core is the entire area of the Aorangi Forest Park in the south of the reserve. [2] All measurements of night sky luminance in the core area are darker than 21.3 mag/arcsec 2 (corresponding to Bortle scale 3), and in places are as dark as 21.8 mag/arcsec 2 (Bortle scale 1).