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Have another look for Comet Lovejoy! This evening it’s just a fraction of a degree from Delta Cassiopeiae, the second-dimmest star of Cassiopeia’s W pattern. The comet is still 6th […]

Jupiter this month forms a big, more-or-less equilateral triangle with Procyon and Pollux. Face southeast soon after dark, and Procyon is to Jupiter’s right. Pollux is high above them. Procyon […]

Ganymede, Jupiter’s biggest moon, enters onto Jupiter’s face at 10:10 p.m. EDT and exits at 1:47 a.m. EDT. Its black shadow trails almost three hours behind, crossing Jupiter from 1:05 […]