Augustin Royer was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 architect who lived in the time of Louis XIV

Louis XIV of France

Louis XIV , known as Louis the Great or the Sun King , was a Bourbon monarch who ruled as King of France and Navarre. His reign, from 1643 to his death in 1715, began at the age of four and lasted seventy-two years, three months, and eighteen days...

.

In 1679 he published a star map

Star chart

A star chart is a map of the night sky. Astronomers divide these into grids to use them more easily. They are used to identify and locate astronomical objects such as stars, constellations and galaxies. They have been used for human navigation since time immemorial...

; in addition to the 48 constellations

Constellations

Constellations: An International Journal of Critical and Democratic Theory is a quarterly peer-reviewed academic journal of critical and democratic theory and successor of Praxis International. It is edited by Andrew Arato, Amy Allen, and Andreas Kalyvas...

 of Ptolemy

Ptolemy

Claudius Ptolemy , was a Roman citizen of Egypt who wrote in Greek. He was a mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology. He lived in Egypt under Roman rule, and is believed to have been born in the town of Ptolemais Hermiou in the...

, and the additions of more recent astronomers such as Plancius

Petrus Plancius

Petrus Plancius was a Dutch astronomer, cartographer and clergyman. He was born as Pieter Platevoet in Dranouter, now in Heuvelland, West Flanders. He studied theology in Germany and England...

, he added two constellations of his own, in honour of his patron, Louis XIV; Lilium

Musca Borealis

Musca Borealis was a constellation located between the constellations of Aries and Perseus.It was first described as such by Hevelius in his catalogue of 1690, to distinguish it from the southern fly, Musca Australis....

 (the Lily, representing the emblem of France) and Sceptrum et Manus Iustitiae

Sceptrum et Manus Iustitiae

Sceptrum et Manus Iustitiae was a constellation created by Augustin Royer in 1679 to honor king Louis XIV of France...

 (the Sceptre and the Hand of Justice, depicting the regal symbols).

Neither of these constellations has survived.

Royer is often named as the creator of the constellation Columba

Columba (constellation)

Columba is a small, faint constellation created in the late sixteenth century. Its name is Latin for dove. It is located just south of Canis Major and Lepus.-History:...

 (the Dove) by splitting off part of the constellation Canis Major

Canis Major

Canis Major is one of the 88 modern constellations, and was included in the 2nd-century astronomer Ptolemy's 48 constellations. Its name is Latin for 'greater dog', and is commonly represented as one of the dogs following Orion the hunter...

, and the constellation Crux

Crux

Crux is the smallest of the 88 modern constellations, but is one of the most distinctive. Its name is Latin for cross, and it is dominated by a cross-shaped asterism that is commonly known as the Southern Cross.-Visibility:...

 (the Southern Cross) with stars from Centaurus

Centaurus

Centaurus is a bright constellation in the southern sky. One of the largest constellations, Centaurus was included among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations.-Stars:...

 but these were in fact already formed (and depicted) in 1589 and in 1592 by Petrus Plancius

Petrus Plancius

Petrus Plancius was a Dutch astronomer, cartographer and clergyman. He was born as Pieter Platevoet in Dranouter, now in Heuvelland, West Flanders. He studied theology in Germany and England...

.