The DDO Defenders is proud to provide programs at the David Dunlap Observatory in partnership with the City of Richmond Hill.

Astronomy Nights

Astronomy Family Nights

Space Fun!

Date	Time	Code
Sunday, September 25th	1:00-2:00pm	63359

How to use your Telescope

Telescope Assessment

Up in the Sky

Intro Astro

Holidays at the Observatory

Group Bookings