Doors Open Ontario

Hume Cronyn Memorial Observatory Doors Open London

Hume Cronyn Memorial Observatory

During the day, look safely at the sun with a solar telescope, viewing sunspots and prominences on the surface. Take a basement-to-dome tour of the observatory, including a re-creation of observatory director H.R. Kingston’s office, as well as a 1960s-era control room and exhibit on the life of astronomical model-maker extraordinaire W.G. Colgrove. Public stargazing available, starting 7 p.m.

Tell us your story about this site

  • Parking
  • Partial wheelchair access
  • Washrooms
  • Kid-friendly
  • Guided tours available

Contact info

1151 Richmond Street (Department of Physics and Astronomy)
London, Ontario


Year built: 1940
Architect: O. Roy Moore

Dates/hours open

Saturday September 15, 2018
Saturday only: 2 to 10 p.m.; solar observing until 4 p.m.; stargazing starts at 7 p.m.

Hume Cronyn Memorial Observatory 1151 Richmond Street (Department of Physics and Astronomy)