RASC Mississauga: Astronomy Evening at Riverwood

Tuesday, May 2, 2017 -
9:00pm to 10:30pm
Explore the universe with members of the Royal Astronomical Society of Canada. Telescopes will be set up to give you amazing views of our Moon, the planets and more!
John Percy

Northern District Library: The Amazing Universe

Tuesday, May 2, 2017 -
7:00pm to 8:00pm

Discover the story behind alien worlds, black holes, dark matter, dark energy, the birth and death of stars, and more!

Dawes Road Library: Science At The South Pole

Monday, May 1, 2017 -
6:30pm to 7:30pm

Professor Keith Vanderlinde talks about his work with the 10m South Pole Telescope, and the science that convinced him to undertake an eleven-month "winterover" position working on-location with the telescope.

Ontario Science Centre at Night

International Astronomy Day - Star Party at the Ontario Science Centre

Saturday, April 29, 2017 -
7:30pm to 10:30pm

Observe the stars via telescope with members of the Royal Astronomical Society of Canada.

Ontario Science Centre: International Astronomy Day

Saturday, April 29, 2017 -
10:00am to 10:30pm
Join us as we celebrate International Astronomy Day with a fun-filled day – and night – of exciting programs and experiences for visitors of all ages.

International Astronomy Day

Saturday, April 29, 2017
M51: Whirlpool Galaxy (0.8m Schulman Telescope)

UofT Planetarium: A Grand Tour of the Cosmos

Friday, April 28, 2017 -
7:00pm to 10:00pm

Showtimes: 7:00pm, 8:00pm and 9:00pm

Kid on the Moon team

Toronto Space Apps Challenge 2017

Friday, April 28, 2017 - 6:00pm to Sunday, April 30, 2017 - 9:00pm

On the weekend of April 28-30, 2017, developers, makers, engineers and entrepreneurs will take on NASA-designed challenges, creating solutions that range from silly to serious, fantastical to feasible.


Solar System Social: Jordan Bimm & David Hamilton

Friday, April 28, 2017 -
6:00pm to 8:00pm

Solar System Social is a speaker series about planetary science which is geared to the general public.

Ontario Science Centre at Night

Recreational Astronomy Night

Wednesday, April 26, 2017 -
7:30pm to 9:30pm
Star Trails

First light spring 2017 (1/3)

Wednesday, April 26, 2017 -
7:30pm to 9:30pm

If you have joined RASC Toronto Centre in the years of 2016 and 2017 and have yet to attend an orientation get-together, we would like to formally welcome you to the society and to provide information about the activities and opportunities within

New Moon

New Moon - 8:16am EDT

Wednesday, April 26, 2017

The moon is between us and the sun. Without the moon in the sky at night, deep sky objects are easier to observe.

Star Trails by Steve McKinney

Dark Sky Star Party (GO for Monday)

Monday, April 24, 2017 -
8:30pm to 11:30pm

See the milky way and galaxies with the unaided eye. Point your telescope to find the many dim deep space objects that sprinkle the sky. Away from Toronto's light polution, there is so much to see.

Hamilton Amateur Astronomers: Gaze at the Stars

Monday, April 24, 2017 -
7:00pm to 8:00pm

Join John Gauvreau of the Hamilton Amateur Astronomers as he takes us on a virtual tour of the universe.

Astronomy Week Solar Observing

Monday, April 24, 2017 - 10:00am to Saturday, April 29, 2017 - 12:00pm
Join us this week if skies are clear!
March for Science Toronto 2017

March for Science Toronto 2017

Saturday, April 22, 2017 -
11:00am to 1:00pm

See the website or Facebook page for more details


Earth Day

Saturday, April 22, 2017

Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection.

Lyrid Meteor by John Flannery

Lyrid Meteors

Saturday, April 22, 2017

The April Lyrids are a meteor shower lasting from April 16 to April 26 each year. The radiant of the meteor shower is located in the constellation Lyra, near this constellation's brightest star, Alpha Lyrae (proper name Vega).

Total Solar Eclipse, Second Contact/Diamond Ring, March 2016, Side, Turkey, Photo by Randy Attwood

RASC Mississauga: Observing and photographing the August total solar eclipse

Friday, April 21, 2017 -
8:00pm to 10:00pm

Speakers: Randy Attwood, Mississauga Centre Honourary President; Michael Watson, Toronto Centre

UofT Planetarium: Voyager’s Odyssey: A Small Probe’s Adventures into Interstellar Space

Friday, April 21, 2017 -
7:00pm to 10:00pm

Showtimes: 7:00pm, 8:00pm, and 9:00pm

M51: Whirlpool Galaxy (0.8m Schulman Telescope)

UofT Planetarium: A Grand Tour of the Cosmos (SOLD OUT)

Saturday, April 15, 2017 -
7:00pm to 9:00pm

Showtimes: 7:00pm and 8:00pm

The Planetary Society/STEAMLabs - Yuri's Night

The Planetary Society/STEAMLabs: Yuri's Night

Thursday, April 13, 2017 -
7:00pm to 10:00pm

The day after the anniversary of the first human in space (often called Yuri’s Night after the Russian who accomplished the feat) you might be suffering from a bit of space withdrawal sickness.

York Woods Library: Astronomy and the Extinction of Dinosuars

Thursday, April 13, 2017 -
4:00pm to 5:00pm

Join us in the Youth Hub as Prof. McCall from York University talks about what caused the extinction of dinosaurs and what could happen to us in the future.

GW150914 gravitational wave event

Speaker's Night: Colliding black holes and gravitational waves: Seeing the universe through bizarre messengers

Wednesday, April 12, 2017 -
7:30pm to 10:00pm

Prof. Harald Pfeiffer, Canadian Institute for Theoretical Astrophysics

Video of the talk

Yuri's Night 2017

Commercial Space Blog: 2017 Yuri's Night World Space Party in Downtown Toronto

Wednesday, April 12, 2017 -
7:00pm to 11:00pm
In Toronto, the Commercial Space Blog will be sponsoring a Yuri's Night Party at the Polish Combatants' Hall.
Stella Kafka

DRAA: An Evening with Dr. Stella Kafka

Wednesday, April 12, 2017 -
7:00pm to 9:00pm
Learn about how the AAVSO coordinates, evaluates, compiles, processes, publishes, and disseminates variable star observations to the astronomical community throughout the world, and other topics on variable star observation and how it contributes to astrophysics.
John Percy

Riverwood Conservancy: Toronto’s Astronomical Heritage

Tuesday, April 11, 2017 -
7:00pm to 8:30pm

Join Professor Emeritus John Percy for a look at how Toronto has become a world centre for astronomy research, education, and public outreach, in parallel with the development of our country, our city, and the University of Toronto.

Solar Observing at the Ontario Science Centre by Katrina Ince

Solar Observing (GO)

Saturday, April 8, 2017 -
10:00am to 12:00pm

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.

NEAF show floor

North-East Astronomy Forum

Saturday, April 8, 2017 to Sunday, April 9, 2017

See RAC's NEAF website

Pauline Barmby

Hamilton Amateur Astronomers: Astronomically Big Data with Pauline Barmby

Friday, April 7, 2017 -
7:30pm to 9:30pm
This talk will focus on the past, present, and future of big data in astronomy.