A sundog, scientific name parhelion, from Greek meaning "beside the sun"; also called a mock sun or a phantom sun, is an atmospheric phenomenon that creates bright spots of light in the sky, often on a luminous ring or halo on either side of the sun.
Winter is Beautiful as Long as I Am Sitting Inside (21 Photos)
Sundogs - light from the sun refracts off ice crystals to portray a half-circle around the sun. Due to the specific angles required for this phenomenon, Sundogs usually occur at sunrise and sunset when ice crystals are present in the air. Also learn how this phenomenon got its name
Sky Phenomena: Sun Dogs: "...an atmospheric phenomenon that creates bright spots of light in the sky, often on a luminous ring or halo on either side of the sun. Sundogs may appear as a colored patch of light to the left or right of the sun, 22° distant and at the same distance above the horizon as the sun, and in ice halos. They can be seen anywhere in the world during any season, but they are not always obvious or bright. Sundogs are best seen and are most conspicuous when the sun is…
Unusual Sky - Once, about three years ago, I kissed my husband off to work and as he went, I happened to look up. Our sky had one of these going on, and it was my first and only time seeing one. It's beyond spectacular, and I almost missed it.