Letter | Published:

Halo of 90° with Parhelia

Nature volume 50, page 269 | Download Citation

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Abstract

ON July 11 the halo of 90°, intersecting a primary halo of the usual size, but intensely brilliant in colouring, was visible at West Newton, Cumberland, for about four hours—9 a.m. to 1 p.m. The sun shone brilliantly all the time. Light strips and wreaths of cirrus and minute mottled cirro-cumulus marked the upper sky. There were several mock suns, not all equally distinct. The halo of 90°, a very unusual phenomenon, was of a pale grey-blue tint, showing no prismatic colours, except in a very slight degree at the point furthest removed from the sun.

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  1. West Newton, Cumberland, July 11.

    • SAMUEL BARBER

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DOI

https://doi.org/10.1038/050269a0

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