Celestial Atlas
Grus <—     Hercules: Hercules     —> Horologium
(possessive form Herculis, abbreviation Her)
Hold the cursor over any Greek letter shown in the text to see its English transliteration
Constellations Bordering Hercules
(tba)

Hercules is one of the 48 ancient constellations recorded by Ptolemy.

Illustration of Hercules
From Bayer's 1603 Uranometria
(Image Credit and © Tartu Observatory Virtual Museum; used by permission)
Portion of Bayer's Uranometria showing the region near Hercules

Map of Hercules
Modified version of Wikimedia Commons map by Torsten Bronger


Stars in Hercules

     Stars which have common names often have multiple names, so the common names shown (if any) cannot be considered authoritative. Right ascension and declination are given in 2000.0 coordinates.

α Her

β Her

γ Her

δ Her

ε Her


Celestial Atlas
Grus <—     Hercules: Hercules     —> Horologium