Target Images/Slides

Images & Slides

  

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International Dark-Sky Association images on this Web site may only be used for noncommercial, educational purposes and must compliment IDA's mission to preserve and protect our night skies through quality outdoor lighting

Images attributed to IDA must be credited as such.

Images credited to anyone other than IDA may not be used without the consent of the photographer.

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List of IDA Slides     Satellite

 

Set A1, the IDA Standard

Set A2, the IDA Standard

Set B, Supplementary Slides

Set C, Satellite Images

Set D, Good Lighting

Set E, Light Sources

Set F, More Supplementary

Set G, Mostly Bad Lighting

 

 

Satellite Imagery 

 

Lighting      

Good billboard lighting

Low-pressure sodium lighting

Bad security lighting

Bad billboard lighting

 

Night Sky      

Light pollution in Washington DC

Photograph © David Wymer
Cherry Springs State Park, Pennsylvania

Photograph © Todd Carlson
Eastern North America Power Blackout

Photograph © Todd Carlson
After the power had been restored

Images credited to anyone other than IDA may not be used without the
consent of the photographer.
Ineffective Lighting  

This floodlight creates glare

This light does not effectively light the pathway

Unless stated otherwise, all images are© International Dark-Sky Association.

  Terms of Use