4 October

International Observe the Moon Night 2025

Join us for International Observe the Moon Night to learn about lunar science and exploration, take part in celestial observations, and honor cultural and personal connections to the Moon.
20 September

City Star Party: Long Branch Park: Fall Equinox

We are piloting a new City Star Party at Long Branch Park to catch universe from within the city limits. If you don't have a telescope then you will find many astronomers who would love to share a view.

MeMStar Enabled Telescopes

Private
Public

What is MeMstar?

MeMstar consists of a housing (less than 100g) that attaches to the bottom of a telescope tube, or any part attached to the tube.

CAO Equipment for Members

Private
Public

Members and guests visiting the Carr Observatory can take advantage of our extensive inventory of quality astronomical equipment - available on a first-come, first-served basis.

CAO Mini Work party Report for July 2025

21 July 2025

On Saturday July 12, 20925, several RASC Toronto Centre volunteers attended our observatory property at the CAO to affect some needed maintenance.

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