Multiple realities
(covers information from several alternate timelines)

Canopus, also known as Alpha Carinae, was the primary for its planetary system in the Beta Quadrant.

In 2257, its location was labeled on the star chart showing the trajectory of Lieutenant Spock's shuttle. (DIS: "An Obol for Charon")

In 2267, USS Enterprise 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. (TOS: "Arena")

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 USS Enterprise-A. (Star Trek VI: The Undiscovered Country okudagram)

In 2366, in an alternate timeline, during the Federation-Klingon War, the location of Alpha Carinae was labeled on a tactical situation monitor in the ready room aboard the USS Enterprise-D. (TNG: "Yesterday's Enterprise" okudagram)

In 2367, the location of Alpha Carinae was labeled on a tactical situation monitor in Captain Benjamin Maxwell's ready room on the USS Phoenix. (TNG: "The Wounded" okudagram)


Background information

The Star Trek Encyclopedia (4th ed., vol. 1, p. 115) described Canopus as a red supergiant star and said it was used as a navigational reference by Voyager series probes and other NASA spacecraft.

Alpha Carinae and Canopus both seen on the tactical situation monitor

Canopus and Alpha Carinae were depicted as being two separate stars on a star chart first seen in Star Trek VI: The Undiscovered Country and subsequently reused in a number of Star Trek episodes. In reality, these are two different names for the same star. [1] This contradiction is also noted in the Star Trek Encyclopedia (4th ed., vol. 1, p. 115). A map seen in the Star Trek: Discovery episode "An Obol for Charon" correctly gave both names for the same object.

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 Star Trek: First Contact, Alex Jaeger created a ship size comparison chart for Industrial Light & Magic. On this chart, one of the names considered for the Norway-class starship was the USS Canopus. [2]

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