Tag Archives: skies. atmospheric optics

Sundog at Sunset

sundog atmospheric optics

This is a sundog. Like a little round rainbow, red side towards the sun.

How are the sundogs doing where you live? We seem to have loads at the moment. In the picture above the sun is way over to the west outside the frame of the picture.

The photo below shows the real sun lurking behind clouds to the right of that chimney.

( A sun dog is also known as a mock sun, false sun, or the 22° parhelia. )

If you want to know more about them visit Atmospheric Optics and revel in the images that are sent there from all over the world; for how sundogs are made and some extraordinary images click here, and don’t forget to explore the rest of this fabulous site. Have you ever wondered why light forms strange lines (caustics)  in water?  And whether that strange black halo round the moon is caused by aliens?  Many of the answers are on Les Cowley’s site. Here is a link to his gallery of images. When I grow up I’m going to take photos like these…

There are more things in heaven and earth……