T/CGDF 00001-2018 Dark night sky reserve and project standards
T/CGDF 00001-2018 Dark night sky reserve and project standards
Basic Information
Scope
Scope: The standard applies to all types of nighttime nature reserves, such as nighttime protection areas, nighttime parks, nighttime-themed parks, and nighttime communities; Main technical content: The China Biodiversity Conservation and Green Development Foundation Starry Sky Working Committee Nighttime Starry Sky Protection Area Project Standards A. Classification Standards The classification standards for various nighttime starry sky protection areas (nighttime protection areas, nighttime parks, nighttime-themed parks, and nighttime communities) are as follows: I. Nighttime Protection Areas: 1. A nighttime protection area is a large area (more than 700 square kilometers) with excellent starry sky quality and nighttime environment, officially named by a specialized institution. Here, the nighttime starry sky is specially protected as a natural, scientific, educational, historical, and cultural heritage resource and open to the public, allowing the general public to share it. The core area of the nighttime protection area should be no less than 25 square kilometers (with multiple core areas), and the rest is a buffer zone. If necessary, an outer peripheral area can be added outside the buffer zone. 2. The night sky quality test of the nighttime protection area reaches 21.0 square arc seconds, and the visual magnitude reaches 6.0 or higher, allowing clear viewing of celestial targets such as M31 and phenomena such as the zodiacal light and airglow. 3. All outdoor lighting facilities with an initial luminance of more than 500 in the core area of the nighttime protection area should be "fully shielded", with a color temperature of no more than 2500K, and the use of car headlights, high-intensity flashlights, and laser emissions is prohibited. All outward-facing windows of various buildings should be covered by blackout curtains at night. There should be no lighting-concentrated areas such as factories and mines within the buffer zone of the nighttime protec