|Reflection Rainbow NW Russia
Imaged by Sergey Lomunov of Nizhny Novgorod (Travel Journal to Barents Sea) at a location near Kem, Republic of Karelia, North-Western Russia.
Image ©Sergey Lomunov, shown with permission
A thanks to Modest Ossipoff.
Strange rainbows meeting in a fork at the horizon are reflection bows. Sunlight reflected upwards from water produces them.
In effect there are two suns - one in the sky and another an equal distance below the horizon shining upwards. Each sun produces its own rainbows.