Göran Strand captured an aurora over Sweden this week, but it wasn't until he mirrored the image that things got interesting. Can you see the alien? How about the storm trooper? Both are examples of pareidolia.
Photographer April Singer wrote: "Mars just made it into the shot on the far left. Taken at 9:45 p.m. September 8. We have a great view here in New Mexico, USA."
Halos around the sun or moon aren't uncommon, but this is a really special one. Thanks to Martin Male, who captured it from Yellowknife, Northwest Territories, Canada.