A green flash at sunset from the Pacific Ocean, taken aboard the Aranui 3. 10th July 2010. Image not processed. Taken with a Canon PowerShot A590 digital camera at 23 mm focal length, 1/200 second.
A bright Circumzenithal Arc, very colourful to the naked-eye. From the grounds of Lowell Observatory, Flagstaff, Arizona, USA. 2018 November 16th.
The 22° radius Halo with Sun Dog shot in the Canadian Rockies, Alberta. There was also a Sun Dog on the east side of the halo. A telescope blocks the sun.