Star Lore Sagitta Australis The Southern Arrow

Sagitta Australis is a now obsolete constellation designed in 1612 or 1613 by Petrus Plancius.

Around the year 1612 or 1613, Dutch astronomer and cartographer Petrus Plancius filled the space between the main stars of the constellations Sagittarius and Scorpius with an arrow formed by two fourth-magnitude stars, one of them most likely V1073 Scorpii (or k Scorpii). The idea never found much recognition. It was only shown in 1613 on a globe manufactured by Pieter van den Keere and then again in 1660 in one of the maps of Andreas Cellarius' famous star atlas Harmonia Macrocosmica. Source: John C. Barentine: The Lost Constellations

Sagitta Australis in Harmonia Macrocosmica Source: Wikimedia

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