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Nyidawa

Hercules

Hercules. Genitive Herculis, abbreviated Her. Introduced by Ptolemy.

Area
1,225.11 sq°
5 of 88 by size
Brightest star
β Herculis
magnitude 2.77
Best seen
June
on the meridian at midnight
Visible from
90°N to 86°S
some part above the horizon

Where it is

MeasureValue
Centre17h 18m, +28.6°
Declination range+3.7° to +51.3°
Naked-eye stars241 to magnitude 6.5, 2 to magnitude 3
BordersAquila, Boötes, Corona Borealis, Draco, Lyra, Ophiuchus, Sagitta, Serpens, Vulpecula

Principal stars

Every star to magnitude 4, brightest first.

StarMagnitudeHR
β Herculis2.776148
ζ Herculis2.816212
δ Herculis3.146410
π Herculis3.166418
μ Herculis3.426623
η Herculis3.536220
ξ Herculis3.706703
γ Herculis3.756095
ι Herculis3.806588
ο Herculis3.836779
109 Herculis3.846895
θ Herculis3.866695
τ Herculis3.896092
ε Herculis3.926324

Deep sky

Objects with a Messier number or a name people use.

ObjectCatalogueTypeMagnitudeSize
M13Great Cluster in Hercules · NGC 6205Globular cluster5.916.6
M92NGC 6341Globular cluster6.511.2
  • Magnitude: — where NGC 2000 gives none.
  • Size: the largest dimension, in arcminutes.

My Sky

Rise, highest and set over your place, for any night: Hercules

Further info

Sources

Principal stars: Bright Star Catalogue

Deep sky: NGC 2000.0

Area and borders: IAU constellation boundaries

Hercules
Credit: E. Slawik/NOIRLab/NSF/AURA/M. Zamani