Public nights are free and will be held regardless of weather conditions. No reservations are required.

Children must be supervised by their grownups. We regret that we cannot accommodate groups.

If you are visiting us for a Whitin Night, please know that the Observatory driveway and circle are closed to vehicles after sunset. (more information)

Spring 2016 -- check here for dates or watch for them on Facebook.

Talks and activities happen at the scheduled time rain or shine, and telescopic observing only if skies are clear.

  • Kids' night at the Observatory; Friday, 12 Feb, 7-8:30pm:  Indoor space-themed activities for kids (regardless of the weather) and views through our historic telescopes (weather permitting).
  • Hunting for new worlds with the Transiting Exoplanet Survey Satellite (TESS); Saturday, 12 March, 7-8:30pm;  public talk by Carolyn Thayer '14 from MIT's TESS lab. 
  • Open Observatory; 15 April, 8:30pm. Come for views through our telescopes and help yourself to put Tax Day into (cosmic) perspective.