The above image is one of the earliest representations of a solar halo and two sun dogs (also called parhelia, or “mock suns”). It’s dated 1520 and is from the 1552 The Book of Miracles, the German 16th-century manuscript of supernatural phenomena, and looks like it was painted from memory, or from a verbal description.
Here’s a more modern photograph of a similar configuration
Halos and sun dogs are formed by ice crystals refracting the light of the sun. They form at specific distances from the sun (due to the angles of the crystal ... Read even more
