Links and Connections

Royal Astronomical Society of Canada
Planetary Society
Centre de Données astronomiques de Strasbourg maintains an excellent database. With this database, one can enter coordinates to identify a deep sky object - or enter the object ID and find the coordinates.
Astronomical League
Southern Cross Astronomical Society - Miami FL
Atlanta Astronomy Club
The British Interplanetary Society
Minor Planet and Comet Ephermeris Service
Jeff Burton's "As I See It" Astronomy Blog
The Heavens Above - Satellite Calculator
Space Weather
SIMBAD - Astronomy Database
A good source for the latest news.
In my opinion - the best online observing blog.
Valuable for tracking a minor planet or comet, or for confirming a sighting of a suspected object.
Helpful for predicting an overhead pass of the ISS or other satellite.
Important advocate for space travel. Founded in 1933 the BIS is the world's longest established organization devoted solely to supporting and promoting the exploration of space and astronautics. I joined this organization in 1968.
A nonprofit organization that promotes exploration of the solar system and the search for extraterrestrial intelligence. I joined this organization in 2011.
The following are local astronomy clubs which I'm currently a member
or have been in the past.
South Florida Amateur Astronomy Association
I've been involved with the Astronomical League since joining them for at an AL sponsored viewing site for the 1970 Total Eclipse in South Carolina.
While I'm not a Canadian, I joined this organization in 1968 because of the quality of their printed resources.
Data Resources
Astronomy Forum
Astronomy FM
Slooh