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The venue

About Longo Planetarium

Welcome to Longo Planetarium, a dedicated space theater housed in Cohen Hall, Room 207, at 214 Center Grove Rd, Randolph, NJ. Reopened after renovations in 2022, the venue features a 33-foot dome and the Digistar 7 projection system for immersive astronomy and space science programs. Most shows accommodate up to 75 attendees, with a historical note suggesting a cap around 91 seats for certain configurations. This page provides practical details to help you secure your seats and plan a visit—from seating guidance and parking to transit options and nearby hotel and restaurant recommendations.

Whether you’re a curious space enthusiast, a classroom group, or a family looking for an educational outing, we’ve got you covered with clear, non-pushy guidance and reliable access to tickets and local amenities.

Important notes: There is no published public seating chart for Longo Planetarium; capacity guidance indicates up to 75 attendees per show. Closest parking is Lot 7, followed by a short walk to Cohen Hall. If accessibility is needed, escorts can be arranged via CCM. Public transit is available through NJ Transit routes serving the campus, but there is no dedicated planetarium shuttle. For planning, consider nearby hotels and restaurants supported by trusted affiliate partners to enhance your visit.

Explore shows such as Explore the Colors of the Cosmos, Mars shows, Starlit Nights, One Sky, Messengers of Time and Space, and Mesmerica—each delivered with the Digistar 7 upgrade (completed in 2023/2024) to deliver vibrant, immersive imagery on the dome. We’ve got you covered with practical details, so you can secure your seats and focus on the wonder of space.

Good to know

Seating, Parking & Venue Information

  • Location: 214 Center Grove Rd, Randolph, NJ 07869 (Cohen Hall Room 207).
  • Venue type: Planetarium / star theater with a 33-foot dome and Digistar 7 projection system.
  • Capacity: Most shows are limited to 75 attendees; some external references list 91 seats as a historical capacity.
  • Seating chart: No public seating chart published; capacity guidance indicates 75 attendees per show.
  • Parking: Closest lot is Lot 7; walk to Cohen Hall; CCM notes no campus shuttle but escorts can be arranged for accessibility.
  • Transit: Public transit via NJ Transit is available on routes serving CCM; no dedicated planetarium shuttle.
  • Notable events hosted: Examples include Explore the Colors of the Cosmos, Mars shows, Starlit Nights, One Sky, Messengers of Time and Space, and Mesmerica; Digistar 7 upgrade completed in 2023/2024.
  • Rename/demolition status: Not demolished or renamed; named Madeline D. and Joseph J. Longo Planetarium; reopened after renovations in 2022.