Picture taken at Brass Mill Center in Waterbury. 30 second exposure at f/22 ISO 400 from (cheap) tripod with remote release. Canon EOS 5D Mk III through an EF 24-105mm IS lens.
The spikes around the lights in the image are called diffraction spikes, and are caused by the camera's aperture. Different shaped apertures create different patterns in the light. In this case the aperture is an 8 bladed construction, which causes the 8 radial spikes. (If you look at the flare in the top right corner you can see the shape of the aperture projected onto the image.)
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