Orion
Ori
Rank: #26
594 sq. deg.
Orion is a prominent set of stars visible during winter in the northern celestial hemisphere. It is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy. It is named after a hunter in Greek mythology. Orion is most prominent during winter evenings in the Northern Hemisphere, as are five other constellations that have stars in the Winter Hexagon asterism.
IAU constellation map showing the boundaries and main stars
Orion
| Genitive | Orionis |
| Symbolism | the Orion |
| Right ascension | 05h 30m 00s |
| Declination | +05° 00' 00" |
| Area | 594 sq. deg. |
| Area rank | 26th |
| Brightest star | Rigel (mag 0.18) |
Deep-Sky Objects Summary
30
Brightest Stars
17
Open Clusters
0
Globular Clusters
30
Galaxies
3
Nebulae
Brightest Stars
| Designation | Name | Apparent magnitude | Right ascension | Declination | Spectral type |
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Galaxies
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Nebulae
| Designation | Name | Apparent magnitude | Right ascension | Declination | Type |
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