This year’s Spring Work Party will be held on the weekend of May 4-5, 2019. Volunteers are invited to arrive as early as Friday late afternoon to enjoy some social time before the work begins the next morning and comes to an end around noon on Sunday. As a volunteer, you will be provided all meals from Saturday breakfast to Sunday lunch plus all regular CAO user fees are waived for the weekend. Tasks at this event will include the usual spring clean up chores plus various upgrades and repairs to the house and observatories.

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by expert and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74" telescope. If the sky is clear, the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. Please wear/bring appropriate supplies for being outdoors. All registered participants under the ages of 16 must be accompanied by a registered adult.

Be inspired by the cosmos and paint your version of the night sky, galaxy, or planet! Find your inspiration from an astronomer who will start with a short introduction to an astronomy-themed topic, and with an artist-in residence. Please wear/bring appropriate supplies for painting and being outdoors.

Families will be introduced to the wonders of astronomy through a presentation on a variety of exciting astronomy topics, followed by age-appropriate celestial activities and a demonstration of the 74" telescope. If the sky is clear the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. All participating family members must be registered and any participants under the age of 16 must be accompanied by a registered adult.

Join us at the Ontario Science Centre for our monthly Solar Observing on the TELUSCAPE observing pad. This is the area in front of the Science Centre's entrance. We use specialized telescopes that are safe to aim at the Sun. Check our home page on the Friday prior for go/no-go calls as this event is weather dependent.

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by expert and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74" telescope. If the sky is clear, the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. Please wear/bring appropriate supplies for being outdoors. All registered participants under the ages of 16 must be accompanied by a registered adult.

Visit a unique historical site in Richmond Hill and experience an engaging presentation led by expert and researchers in astronomy, covering a variety of exciting astronomy topics. After the presentation, participants will tour the observatory and see a demonstration of the 74" telescope. If the sky is clear, the dome will be opened and the telescope pointed to an interesting celestial object for the visitors to view. Please wear/bring appropriate supplies for being outdoors. All registered participants under the ages of 16 must be accompanied by a registered adult.

Visit us on the 50th Anniversary of the Moon landing for a full-day celebration packed with astronaut appearances, special speakers, space-themed design and engineering challenges and much more! Webcast: Canada Welcomes Back David Saint-Jacques

Celebrate the 50th anniversary of the lunar landing with live music, dancing, art, a food fair, and an artisan market! At 10:56 pm on July 20, 1969, humans first set foot on the Moon, expanding the limits of humanity. Now to celebrate 50 years since that milestone, we’re hosting a two-day festival, featuring live music, a food fair, artisan market, and family-friendly activities. Join us for a weekend full of lunar-inspired fun!

Celebrate the 50th anniversary of the Moon Landing at this special Star Party. Members of RASC (The Royal Astronomical Society of Canada, Toronto Centre) will be on hand to show you how their telescopes work and point out some of the celestial objects visible in the night sky, including Jupiter. Hear from experts about the latest in lunar science, space-themed musical performances and Moon-inspired activities. Hosted by Global News Toronto chief meteorologist Anthony Farnell, with special guests: