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Allan I. Carswell Observatory Profile
Allan I. Carswell Observatory

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Please note we have a change in operations. Our regular tours continue every Wednesday. For ALL future live updates see our inst@ yorkuobservatory or website.

Toronto, Canada
Joined March 2010
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Thanks to all our supporters. Please note we have a change in operations. Our regular tours continue every Wednesday evening. For ALL future live events and updates you can see our inst@ gram account at 'yorkuobservatory' or our site:
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yorku.ca
The Allan I. Carswell Observatory (AICO) supports student learning and research and is a hub for public engagement and outreach.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
RT @YorkUniverse: Thanks to all our listeners. Please note we have a change in operations. Our regular York Universe radio broadcasts conti….
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yorku.ca
The Allan I. Carswell Observatory (AICO) supports student learning and research and is a hub for public engagement and outreach.
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Grok
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What do you want to know?.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
RT @yorkobservatory: Join us for a Final Friday of the month Guest Speaker episode on our YouTube channel YorkUObservatory this Friday, Apr….
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@yorkobservatory
Allan I. Carswell Observatory
1 year
We will be broadcasting live on April 26th at 7:30 pm ET at: Background image: NASA’s Goddard Space Flight Center/Jeremy Schnittmann.
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youtube.com
The York Allan I Carswell Observatory has brought our weekly astronomy tours ONLINE! Tune in every Final Friday at 7:30pm local Toronto time to catch the latest show, or watch them on repeat in our...
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@yorkobservatory
Allan I. Carswell Observatory
1 year
We are delighted to have Dr. Rafiee as a guest who has served as a sessional lecturer and course director at York University since 2014 and as a sessional lecturer at Toronto Metropolitian University since 2018.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Join us for a Final Friday of the month Guest Speaker episode on our YouTube channel YorkUObservatory this Friday, April 26th! This month we are joined by Dr. Alireza Rafiee who will be talking all about Black Holes and Galaxies.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
The tour runs from 8:00 to 9:30 pm ET and is weather dependent so please ensure that the event is still running the day of by checking our socials or website at Get your free tickets now at: Background image: Maheen Hemani, AICO.
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zeffy.com
Welcome to the York University Allan I Carswell Astronomical Observatory!We are running regular in person shows. Events are all-ages. These sessions will only go ahead if the weather is CLEAR.  Masks...
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Join us for an Atrium Tour this Wednesday, April 24th! This is different from our usual observatory tour as it is open air and atop of Arboretum Parking Garage at York University. You will get a chance to observe through and learn about our smaller telescopes and star gaze!
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Today, April 22nd, we will be having our online public viewing (OPV), happening at 9:00pm and featuring live audio from @YorkUniverse 💫✨🔭.You can join the following link:
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Did you know? Saturn has a Moon named Enceladus which is mostly covered in fresh clean ice, making it one of the most reflective bodies in the solar system. It reflects 90% of Sun’s light making the temperatures reach as low as -394 degree Fahrenheit!. Image credit: NASA
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@yorkobservatory
Allan I. Carswell Observatory
1 year
If interested you can tune in and learn about “Fast Radio Bursts” from Professor Paul Scholz of York University:
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Unfortunately, the Atrium tour is a NO-GO tonight due to bad weather. The good news is, we will be trying again next wednesday so stay tuned!.We are also following along with RASC Toronto’s Astronomy Speaker’s night episode this evening!.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
The tour runs from 8:00 to 9:30 pm ET and is weather dependent so please ensure that the event is still running the day of by checking our socials or website at Get your free tickets now at:
Tweet card summary image
zeffy.com
Welcome to the York University Allan I Carswell Astronomical Observatory!We are running regular in person shows. Events are all-ages. These sessions will only go ahead if the weather is CLEAR.  Masks...
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Presenting to you the very first Atrium Tour of the year 2024! This is different from our usual observatory tour as it is open air and on top of Arboretum Parking Garage at York University. You will get a chance to observe and learn about our smaller telescopes and star gaze!
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Today, April 15th, we will be having our online public viewing (OPV), happening at 9:00pm and featuring live audio from @YorkUniverse 💫✨🔭.You can join the following link:
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@yorkobservatory
Allan I. Carswell Observatory
1 year
For eclipse safety tips, check out: Image: Martin Bernetti/AFP/Getty Images
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Since today is a special day, there will be no Monday night public viewing and there will also be no public tour this Wednesday (April 10th). You can tune in next Monday for Online Public Viewing as usual at 9 pm ET and tours also resume next week as usual.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Happy Eclipse Day everyone!. After many solar education events conducted by the observatory, the day is finally here! Make sure to stay safe with your eclipse viewing today and DONOT look at the sun without eclipse glasses.
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Great news! The weather is clear today and we are going ahead with our first clear day Solar event. Join us to view the Sun at the top of Arboretum parking garage from 1pm-3pm and get yourselves eclipse glasses. Ticket link: IMG Credits: Paul Mackin, AICO
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@yorkobservatory
Allan I. Carswell Observatory
1 year
Our first clear day event (April 2nd-April 6th) is a NO-GO today due to unclear weather conditions. If you’d like to join astronomers from Allan I. Carswell Observatory for a fun solar observing afternoon, register here at:
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zeffy.com
Welcome to the York University Allan I Carswell Astronomical Observatory Solar Observing!Join York University astronomers from the Allan I Carswell Observatory to view the Sun! If the sky is clear we...
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