Sun dog
Videos
A sun dog, sundog or mock sun, also called a parhelion in atmospheric science, is an atmospheric optical phenomenon that consists of a bright spot to one or both sides of the Sun. Two sun dogs often f
Very bright sun dogs in Fargo, North Dakota. Also visible are parts of the 22° halo (the arcs passing through each sun dog), a sun pillar (the vertical line), and the parhelic circle (the horizontal line).
Two sun dogs, and a partial 22° halo in Sun City West, Arizona
A right-hand sun dog in Salem, Massachusetts. Also visible are a Parry arc, an upper tangent arc, a 22° halo, and part of the parhelic circle.
Sun dogs in Hesse, Germany
22° halo
Videos
A 22° halo is an atmospheric optical phenomenon that consists of a halo with an apparent radius of approximately 22° around the Sun or Moon. Around the Sun, it may also be called a sun halo. Around th
22° halo around the Sun
22° halo around the Moon
Possible orientations of water crystals and resulting outgoing ray angles
22° solar halo with very thin cirrostratus clouds