Map created in Guide 7.0 with the figure outline based on Johannes Hevelius' Uranographia (1690). Click on the object's name to access its image or click on the name of adjacent constellation to see its map.
According to Greek myths, Bootes represents Arcas, son of Callisto. While hunting with his dogs (Canes Venatici), he tracked his own mother changed into a bear (Ursa Major). The tragedy was at the last moment prevented by Zeus who placed both of them in the sky as constellations.
Arcturus was the first star proven to move - its proper motion (almost 2.3 arcsec/year) was discovered by Halley in 1718.
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© Jan Wisniewski