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Top news results for reduce light pollution
Light pollution filter LEVIATHAN Spectral Pro
Friday, January 16, 2026 by Richard Harris
If you've been shooting under light-polluted skies soaked in LED glare, you already know exactly how ugly this has gotten. I’m lucky, I'm still sitting in a Bortle 3 pocket - but I can drive just a few miles west and watch the night get steamrolled by people "upgrading" to th...
Under One Sky 2025 information and registration
Thursday, August 21, 2025 by Austin Harris
Under One Sky is a 24-hour virtual conference hosted by DarkSky, the organization leading the fight against light pollution worldwide. The event brings together advocates, scientists, students, and people who care about preserving dark skies. Taking place entirely online, it follows the path of nigh...
IDAS Dusk to Dawn filter
Thursday, August 7, 2025 by Russ Scritchfield
The IDAS DTD, officially known as the Dusk to Dawn filter, represents a unique approach to astrophotography filtering. Unlike many filters that specialize in narrowband isolation or broadband light suppression, this multi-bandpass filter offers a hybrid experience that caters to a wide variety of ce...
Canada sky glow is less than in the United States
Thursday, June 27, 2024 by Richard Harris
Recent observations show that Canadians generally experience less sky glow than Americans. This difference is mainly due to varying population densities and urban development patterns between the two countries. With its vast wilderness and lower population density, Canada has fewer urban centers con...