Flagstaff Dark Skies Coalition

Flagstaff Dark Skies Coalition

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LED SG Impacts

January 16, 2019 258 × 385 Lamp Spectrum and Light Pollution

For dark skies Amber is by far the best.

For dark skies Amber is by far the best.

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To celebrate, promote, and protect the glorious dark skies of Flagstaff and northern Arizona.

  • Dark Matters!
    • Dark Matters!
      • Dark Matters! Newsletter
    • Light Pollution – The Problem
    • Dark Skies in and Around Flagstaff
      • The Sky Over Flagstaff Now – constellations labeled
      • The Sky Over Flagstaff Now – stars only
  • Dark Sky Solutions
    • What Can You Do To Protect The Night Sky?
    • How To Talk To Your Neighbor …
    • Residential Lighting Tips
      • Dark Sky Residential Lighting Products
    • Commercial and Roadway Lighting Tips
      • Dark Sky Commercial Lighting Products
    • Outdoor Lighting Codes
    • LED Lighting and Dark Skies
    • Service Station Lighting
    • Sports Lighting
      • Thorpe Park Editorial
  • International Dark Sky City
    • International Dark Sky City
    • Flagstaff’s Battle for Dark Skies
    • Dark Skies in and Around Flagstaff
  • Critical Dark Sky Issues
    • Light at Night and Safety
    • LED Lighting and Dark Skies
    • Lamp Spectrum and Light Pollution
    • Low Pressure Sodium Lighting
    • Light at Night and Human Health
    • Light at Night and the Environment
    • The Science of Lighting Codes and Regulations
    • Measuring and Modeling Sky Glow Light Pollution
  • Resources
    • Resources
    • FDSC Presentations
    • Dark Sky Commercial Lighting Products
    • Dark Sky Residential Lighting Products
    • Student/Teacher Science Activity
    • Links
  • Trending News on Flagstaff’s Night Sky
  • Contact Us
  • Become a member of the Coalition
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THE BEST IN DARK SKIES
FROM THE
FIRST INTERNATIONAL
DARK-SKY CITY

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FDSC is an independent charitable non-profit

Our mission is to Celebrate, Promote, and Protect the glorious Dark Skies of Flagstaff and Northern Arizona, and to provide guidance in successful strategies to reduce light pollution through the Flagstaff Example. Become a member or donate, wherever you live, and support our mission to actually improve night skies worldwide! Donations are tax-deductible to the fullest extent allowed by law.

 

© 2022 Flagstaff Dark Skies Coalition