umbraphile n. an avid observer of, or a person with a great interest in, eclipses. Etymological Note: From Latin umbra ‘shade’ + Greek philos ‘loving.’ (source: Double-Tongued Dictionary)
Further reading
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Earliest known use (by me, but certainly may
be predated), soon after the 1976 total solar eclipse. Also see:
http://nicmosis.as.arizona.edu:8000/UMBRAPHILLIA.html
Not only solar eclipses but occultations in general!
When the moon or an asteroid passes in front of a distant star, the moon or asteroid casts a shadow into space and if the earth intercepts the shadow an umbra is created upon the ground. As the shadow sweeps by the observer the star briefly disappears. A Solar Eclipse is realy a Lunar Occultation, it’s just that the star is up close and personal!