
1) Former constellation
Found on
https://www.crosswordclues.com/clue/argo-navis
[magazine] Argo Navis is a bi-monthly Chilean magazine of popular science, centred on astronomy, and focused on Spanish-speaking amateur astronomers. Its first issue was published in April 2005. == Characteristics == The publication is online only, and is distributed free of charge in PDF format under a Creative Commons license. It has sect...
Found on
http://en.wikipedia.org/wiki/Argo_Navis_(magazine)

An enormous southern constellation, representing Argos, the ship of Jason and the Argonauts, listed by Ptolemy among his original 48. It was divided, in the 18th century by Nicolaus Lacaille, into Carina (the keel), Puppis (the stern), and Vela (the sails). There was no reassignment of Bayer names w...
Found on
http://www.daviddarling.info/encyclopedia/A/Argo_Navis.html

Argo-Navis is the southern constellation of the Ship, containing nine clusters, three nebulae, thirteen double and 540 single stars, of which about sixty-four are visible.
Found on
http://www.probertencyclopaedia.com/browse/AA1.HTM
No exact match found.