Monday, November 23, 2015

Submitted photos

I have some photos to share taken by friends of the blog. First, a photo of the skyglow caused by poorly shielded lamps at the Great Leighs Racecourse in Essex, United Kingdom:

Skyglow from Great Leighs Racecourse is licensed
under a Creative Commons Attribution 4.0 International License.
Click for more dramatic photos of the skyglow and lamps.

Liz Perkin (@riverperkin on twitter) snapped this photo of lamps that don't prevent animals from getting inside:

Spiderwebs in a lamp by Liz Perkin, originally posted on instagram
This of course slightly reduces the light that gets to the ground, and also greatly increases the amount of light that gets emitted into the sky. In the worst case, lamps that let arthropods inside can get downright gross.

Lastly, a photo by Roland G. Dechesne of the Royal Astronomical Society of Canada:

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