Canopus
Canopus, also known as Alpha Carinae, was an inhabited planetary system in the Beta Quadrant.

In 2257, the location of this system was labeled on the star chart showing the trajectory of Lieutenant Spocks shuttle. ()

In 2267,  helmsman Hikaru Sulu used Canopus as a reference point to plot the location of the Enterprise after it was flung five hundred parsecs by the Metrons. () 

In 2293, Alpha Carinae's location in the Milky Way Galaxy was labeled in the star chart "The Explored Galaxy", which was on display in Captain James T. Kirk's quarters aboard the . ( okudagram)

In 2366, in an alternate timeline, during the , the location of Alpha Carinae was labeled on a tactical situation monitor in the ready room aboard the . ( okudagram)

In 2367, the location of Alpha Carinae was labeled on a tactical situation monitor in Captain Benjamin Maxwell's ready room on the . ( okudagram)

Appendices

Background information 
Star charts seen in , , and  located Alpha Carinae (Canopus) in the Alpha Quadrant. This was retconned for  and , which have star charts locating Alpha Carinae (Canopus) in the Beta Quadrant. 

Canopus and Alpha Carinae were depicted as being two separate stars on a star chart first seen in  and subsequently reused in a number of Star Trek episodes. In reality, these are two different names for the same star.  This contradiction is also noted in the . A map seen in the  episode  correctly gave both names for the same celestial object.

The  described Canopus, the primary of this system, as a red supergiant star and said it was used as a navigational reference by Voyager series probes and other NASA spacecraft.

According to Star Trek: Star Charts (p. 65) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), Canopus (Alpha Carinae) was a F-class star.

For , Alex Jaeger created a ship size comparison chart for Industrial Light & Magic. On this chart, one of the names considered for the  starship was the USS Canopus.

External links 
 
 
 

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Star systems