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Hours

When is the Observatory open?

The observatory is only open on clear nights, Monday–Thursday, during fall and spring semesters. The observatory technicians will update the status of the Observatory on the Home page. If you cannot see the stars, if it is the weekend or outside of the fall/spring semester, or if it is outside the hours listed below, the Observatory is not open.

Spring 2025 hours (Weather permitting)

Monday: 8:00PM-10:00PM
Tuesday: 8:00PM-10:00PM
Wednesday: 8:00PM-10:00PM
Thursday: 8:00PM-10:00PM

Contact

Physics Department
Science Complex, Room P401a
The College of New Jersey
P.O. Box 7718
2000 Pennington Rd.
Ewing, NJ 08628