anthelion


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anthelion:

see halohalo,
in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above.
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anthelion

[ant′hēl·yən]
(astronomy)
A luminous white spot which occasionally appears on the parhelic circle 180° in azimuth away from the sun. Also known as counter sun.
References in periodicals archive ?
Computer simulations and actual sightings show that the anthelion is probably not visible when the Sun is more than 46[degrees] high.