Please complete this sign-up for so we can let you know about DDO-related Council meetings, rallies and other actions related to the DDO. The Richmond Hill Naturalists and DDO Defenders have also worked together do host Earth Hour celebrations, astronomy nights and other family friendly events. A fully preserved, vibrant Dunlap Observatory will become a centrepiece for Richmond Hill that binds the community together. Thank you for your interest in preserving David Dunlap Observatory and Park.
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