The Vernal Equinox occurs Saturday, March 20, marking the first day of Spring for the Northern Hemisphere. It also marks a favorable celestial situation for potentially viewing all the objects in 18th century French astronomer Charles Messier's catalog in one glorious dusk to dawn observing run. This year, interference from bright moonlight will be minimal as the the moon is near its dark or new phase. Astronomer Paul Gitto has created this masterful Messier Marathon grid with 11 rows and 10 columns of Messier catalog objects . Gitto's images were made with a digital camera and a 10-inch diameter reflecting telescope.
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