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Welcome Daytime tour of the ASTROLab Daytime tour of the Observatory Astronomy Evening at the ASTROLab Astronomy Evenings at the Popular Observatory Outdoor activities Popular Astronomy Festival Perseids Visit Us Home page Directions Opening hours and dates Rates To reserve Park journal Tourist information Lodging Package FROM THE EARTH TO THE STARS FROM SNOW TO THE STARS Packages Lodging near by the park Welcome to groups School groups Social Groups Exploring the sky Astronomical presentations Mont-Megantic Observatory Astronomy in Quebec and Canada Canada under the stars Astronomy in Quebec and Canada “From Earth to the stars” hyperlinks Weather Space weather (aurorae) Satellites visible passes Mount Mégantic pictures Astronomical presentations Video - Biodiversity Light pollution Home page What is light pollution? The light pollution abatement project Mt. Megantic International Dark Sky Reserve (IDSR) Technical guide to exterior lighting Activities for kids Documentation center Symposium What is light pollution? Sky glow Visibility and glare Night lighting and security Light trespass The benefits of dark nights Wasted energy A global problem Why do we over-illuminate? The Mt. Megantic problem The ASTROLab project Results History What is an IDSR? The Mt. Megantic IDSR Planning an efficient lighting system Choosing the right lighting components Evaluating illuminance requirements Regulations Highlighting architectural and natural heritage Typical lighting situations Appropriate luminaires Glossary Sensitization tools Technical documents Presentations Press review Useful links Professionals, distributors and retailers

Our Star Attraction Facebook   Search Map site Welcome Activities Welcome Daytime tour of the ASTROLab Video Daytime tour of the Observatory Astronomy Evening at the ASTROLab Astronomy Evenings at the Popular Observatory Outdoor activities Popular Astronomy Festival Perseids Visit Us Visit Us Home page Directions Opening hours and dates Rates To reserve Park journal Tourist information Offres d'emploi Packages Lodging Package FROM THE EARTH TO THE STARS FROM SNOW TO THE STARS Packages Lodging near by the park Groups Welcome to groups School groups Social Groups Astronomy Exploring the sky Astronomical presentations Mont-Megantic Observatory Astronomy in Quebec and Canada Canada under the stars Astronomy in Quebec and Canada “From Earth to the stars” hyperlinks Weather Space weather (aurorae) Satellites visible passes Multimedia Astronomical presentations Video - Biodiversity Light pollution Light pollution Home page What is light pollution? What is light pollution? Sky glow The Milky Way Reflection White light Visibility and glare Night lighting and security Light trespass The benefits of dark nights Wasted energy A global problem Why do we over-illuminate? The light pollution abatement project The Mt. Megantic problem The ASTROLab project Results Mt. Megantic International Dark Sky Reserve (IDSR) History ida What is an IDSR? IDA definitions The Mt. Megantic IDSR Technical guide to exterior lighting Planning an efficient lighting system Belgium and France Choosing the right lighting components Good colour rendering index luminaires Evaluating illuminance requirements Regulations To obtain a certificate of authorization Exemptions, minor deviations and grandfather clause Highlighting architectural and natural heritage Typical lighting situations Appropriate luminaires Glossary Activities for kids Documentation center Sensitization tools Technical documents Presentations Press review Useful links Professionals, distributors and retailers Symposium Media Medias Home page About Us About Us Home page

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