Join us online to learn basic astronomy that you can do on your own from your backyard! The spring sky hosts both very bright stars and very dim galaxies. We'll talk about the system astronomers use to measure and report the brightness of celestial objects - from luminosity to absolute and apparent brightness, to surface brightness.

Join us online to learn basic astronomy that you can do on your own from your backyard! With the moon waxing in the evening sky, this is the perfect time to watch the terminator slide across the giant and ancient lunar basin of Mare Imbrium.

No-Go for Staurday due to clouds. We're sad to say that that concludes out 2023 season. We hope to see you next year in April!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon, Jupiter, Saturn, and stars through our telescopes!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon, stars and Saturn at its best through our telescopes!

Join us for an evening of free public stargazing along the north shore of Lake Ontario at Millennium Square. Observe the Moon and stars through our telescopes! (We might even catch Saturn if it rises high enough before midnight.)

Tuesday, January 31, 2023 - 3:30pm to 5:00pm

Join us online to learn basic astronomy that you can do on your own from your backyard! In honour of March Break and better weather, we'll look at the best sights to see in the late winter / early spring evening sky using a backyard telescope, binoculars, or just your eyes.

Join us online to learn basic astronomy that you can do on your own from your backyard! We'll explain the dance of the inner planets in the evening sky, talk about conjunctions, elongations, and transits, and share some tips for safely viewing the inner planets. Galileo did it - so you can, too!

Our monthly City Star Party is the place to catch universe from within the city limits at Bayview Village Park. If you don't have a telescope then you will find many astronomers who would love to share a view.