Wednesday, August 7, 2024

Double Shadows Cross Jupiter

From time to time, observers with good quality telescopes can watch the black shadows of the Galilean moons travel across Jupiter's disk. On Wednesday morning, August 7, for observers in most of the Americas, two shadows will cross the southern hemisphere of Jupiter simultaneously. At 2:55 a.m. EDT (or 06:55 UT), Europa's shadow will join the slightly larger shadow of Io that began its own crossing several minutes earlier. As the shadows are crossing
the planet, Io and Europa themselves will approach and then move onto the planet. Io's shadow will complete its passage towards 4 a.m. EDT (08:00 UT), leaving Europa's shadow to journey on alone until 5:20 a.m. (or 09:20 UT).

(Data courtesy of Starry Night)
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* Origin: CJ's Place, Orange City FL > cjsplace.thruhere.net (954:895/61)