Baily's beadsBai·ly's beads
bright spots visible along the rim of the moon during a total eclipse of the sun, just before or after totality, caused by sunlight passing through the moon's valleys and clefts
Origin of Baily's beadsafter F. Baily (1774-1844), Eng astronomer
Dots or patches of sunlight visible along the edge of the darkened moon's disk in the seconds before and after totality during a full solar eclipse, caused by sunlight passing through valleys in the moon's uneven topography.
Origin of Baily's beadsAfter Francis Baily, (1774–1844), British astronomer who first observed them in 1836.
total solar eclipse
August 11, 1999