Since the advent of telescopic astronomy four centuries ago it's been a constant that visual records of observations should only show what is seen at the eyepiece, and no more.

A brief history of some of the important women actively involved in the advancement of amateur and professional astronomy and astrophysics in Canada over the last century.

The Hubble Space Telescope has provided amazing images of the universe from its location in Earth orbit for three decades.

Fifty years ago, the third mission was launched to land two people on the Moon. On the third day of the flight, a problem occurred which cancelled the plans for the lunar landing and instead, started a race to get the astronauts home alive.

Curious about what’s happening with the Robotic Telescope Project? Here is the recording of the webinar streamed live on Feb 19, 2020 discussing details of the project.

Explore the night sky over Toronto and travel to the farthest reaches of space and time in a fascinating planetarium show presented by the Dunlap Institute for Astronomy & Astrophysics.

Year-round weekly programming:
Monday nights: York Universe and Online Public Viewing
Wednesday nights: Public Viewing

Black holes are perhaps the strangest thing in a very strange universe.

Dr. Ralph Chou, a veteran of over 26 solar eclipse expeditions, got a chance to add one more to his record—the 2019 Eclipse in Argentina.

Ever wondered how you can spruce up your astronomical public outreach observing? Well, Bryon Czarnik has you covered.

The content for 10+ Funtastic Stories of the Night Sky - Public Outreach to Kids, Teens and Adults presented by Bryon Czarnik at the Recreational Astronomy Night on August 14, 2019.

On July 28, 2019, the RASC, Toronto Centre held its annual Awards Picnic to honour the outstanding contributions of its members in the previous year.

Ever wonder how to combine citizen science with solar observations? As Frank Dempsey describes in his presentation, AAVSO is one of the organisations that encourages sunspot reporting and explains how to go about doing it.

Manuel Guerrero, a planetary Imager and a member of the RASC, Mississauga Centre, felt a degree of frustration when imaging planets at northern latitudes due to their low elevation in the sky and the increased effect of the earth's atmosphere.

Ever get frustrated trying to focus your telescope and having to wait till it stops jiggling to make another adjustment? Well Richard Blackman decided to put his DIY skills to the task and solve the problem.