Sky Events

Sky Events

Messier Marathon 2025

By the 1970s amateur astronomers realized that the Sun it located right in a “Messier object gap” around the dates of Vernal Equinox (Spring) in late March. This means all 110 Messier objects are on “either side” or “north” of the Sun and available for observation throughout the night — if an observer worked fast enough. Hence, the phrase “Messier Marathon” was invented to describe the all-night attempt.

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