Video: Shielded versus unshielded lighting

Video: Shielded versus unshielded lighting

Jeremy Evans – who volunteers for the International Dark Sky Association (IDA) wrote in an email to EarthSky:

Hello, I’m a long-time subscriber and amateur astronomer. I wanted to share this video I made showing the benefits of dark sky approved lighting to help combat light pollution.

Thank you, Jeremy!

See more videos: What is light pollution?

Take action: How you can help

Visit EarthSky’s Best Places to Stargaze

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It might look at first as if there’s a single light shining in this desert night sky (about 2 hours east of Los Angeles). But there are really 2 separate light fixtures here, one shielded and one unshielded. Both are turned on, illuminated by a 20-watt bulb. Watch the video above, from Jeremy Evans of the International Dark Sky Association (IDA), showing how shielded lighting can help preserve the night. Thank you, Jeremy!

Bottom line: A video giving a dramatic demonstration of the benefits for stargazing of shielded light fixtures.

The post Video: Shielded versus unshielded lighting first appeared on EarthSky.

from EarthSky https://ift.tt/3FiFLoL

Video: Shielded versus unshielded lighting

Jeremy Evans – who volunteers for the International Dark Sky Association (IDA) wrote in an email to EarthSky:

Hello, I’m a long-time subscriber and amateur astronomer. I wanted to share this video I made showing the benefits of dark sky approved lighting to help combat light pollution.

Thank you, Jeremy!

See more videos: What is light pollution?

Take action: How you can help

Visit EarthSky’s Best Places to Stargaze

Love the night sky? Keep track of the moon with EarthSky 2022 lunar calendars. Now available. Going fast!

It might look at first as if there’s a single light shining in this desert night sky (about 2 hours east of Los Angeles). But there are really 2 separate light fixtures here, one shielded and one unshielded. Both are turned on, illuminated by a 20-watt bulb. Watch the video above, from Jeremy Evans of the International Dark Sky Association (IDA), showing how shielded lighting can help preserve the night. Thank you, Jeremy!

Bottom line: A video giving a dramatic demonstration of the benefits for stargazing of shielded light fixtures.

The post Video: Shielded versus unshielded lighting first appeared on EarthSky.

from EarthSky https://ift.tt/3FiFLoL