On this day in 1728 – October 30th – Polish-Lithuanian astronomer and mathematician Martin Poczobut was born in Slomiank, Lithuania.

For over forty years, he was the director of the Vilnius Astronomical Observatory. The huge number of astronomical observations carried out by Poczobut includes those of comets and asteroids, the orbital motions of Mercury, and several solar and lunar eclipses.

Mona Evans
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