Asteroids
Clusters
Comets
Concepts
Constellations
Galaxies
Moons
Planets
Nebulae
Stars
Surface

Sections

Catalogues

Tools and Links
Hercules
Map of Hercules
Genitive
  Herculis
Abbreviation
  Her
Right Ascension
  15h47 to 18h56
Declination
  +3.9° to +51.3°
Area (sq deg)
  1,225
Brightest Star
  Ras Algethi and Rutilicus
  (variable stars with almost identical
  maximum magnitudes)
Optimum Visibility
  June
A large constellation of the northern sky, particularly noted for the Globular Cluster M13.
Indexes
  • Main Index
  • Constellations Index
    		• Related Entries
  • Aquila
  • Lyra
  • Ophiuchus
  • Sarin
  • Serpens

    • eSky © copyright Mark Fisher 1999-2013