The upper glow preceeding sunrise and following sunset

Stephen Joseph Perry (1833-1889)1883-11

The Royal Society

The Royal Society
London, United Kingdom

The upper glow preceeding sunrise and following sunset observed from Nov 1883 to March 1884 - Perry, Stonyhurst Observatory. Letter describing the unusual atmospheric phenomena reads:

On Nov 16th 1883 this unusual glowin the sky first attracted attention, and it has been carefully watched both morning and evening ever since.
The general appearance is always the same.
Before sunrise a faint pink tint is first seen on the Eastern horizon, then this tint strengthens and sometimes turns to a crimson hue. It next rises gradually to the height of about 50 degrees and occasionally then to the zenith and is succeeded on the horizon by a greenish yellow colour some 30 minutes previous to sunrise.
Near the time of sunrise long banded cirro-stratus clouds are formed parallel to the horizon and overlapping each other, occupying the position of the previous warm glow, whilst the remainder of the sky may be perfectly free from cloud.
During the day the sun in invariably surrounded...


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