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New Member Orientation: Presentation - Messier Marathons

  • OMSI Planetarium 1945 Southeast Water Avenue Portland, OR, 97214 United States (map)

March and April are the season for Messier Marathons. Find out who Charles Messier was, what's important about Messier objects, and how to conduct a Messier Marathon, during which you capture all 110 of these objects in one night!


Astronomy Basic Terminology

Earlier Event: February 10
Astro-Imaging SIG