EPOD - a service of USRA
The Earth Science Picture of the Day (EPOD) highlights the diverse processes and phenomena which shape our planet and our lives. EPOD will collect and archive photos, imagery, graphics, and artwork with short explanatory
captions and links exemplifying features within the Earth system. The
community is invited to contribute digital imagery, short captions and
relevant links.
Splendid Sundog over Montreal, Canada
January 24, 2023
_IMG_2752
Photographer: Raymond Murphy
Summary Author: Raymond Murphy; Jim Foster
Featured above is a colorful, right sundog (parhelion) as observed
from near Montreal, Quebec on the morning of November 26, 2022. You can
tell it’s on the right side of the Sun because with halos the red
color is nearest the solar disk, unlike with rainbows. Sundogs are one
of the most commonly observed optical phenomena. Look for them some
22-degrees away from the Sun, at the same solar altitude, whenever
cirrus clouds (composed of ice crystals) are in the sky. Note
that the puffy cloud in the foreground is a cumulus type cloud --
composed of water droplets. The "tail" of this sundog is actually a
portion of the parhelic circle. Always be careful when looking
anywhere in the vicinity of the Sun.
West Montreal, Quebec, Canada Coordinates: 45.4515, -73.6334
Related EPODs
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Full Omega Moon Inferior Mirage off the Coast of Sicily
Crepuscular Rays Observed from Italian Alps Halo Display
Observed from Graubunden, Switzerland Lunar Green Flash Sequence
More...
Atmospheric Effects Links
* Atmospheric Optics
* Optic Picture of Day: Gruppo Astrofili Galileo Galilei
* Color and Light in Nature
* The Colors of Twillight and Sunset
* Refraction Index
* Image Gallery: Atmospheric Effects
* What is a Rainbow?
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Earth Science Picture of the Day is a service of the Universities
Space Research Association.
https://epod.usra.edu
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