This is a long-exposure photo of the sun, moving across the sky on August 21, 2017. Ian Hennes captured it with a lensless pinhole camera, in this case a beer can. It shows the total eclipse!
Crescent suns - created via the pinhole effect - on buildings in downtown Portland, Oregon during the eclipse. Cool photo and an awesome effect to watch for during eclipses!
Insights and a cool chart from astronomer Guy Ottewell. Plus, if you click in, you'll find photos of waning crescent moons from the past few mornings ...