Gemini

Gem
Rank: #30
514 sq. deg.

Gemini is one of the constellations of the zodiac and is located in the northern celestial hemisphere. It was one of the 48 constellations described by the 2nd century AD astronomer Ptolemy, and it remains one of the 88 modern constellations today. Its name is Latin for twins, and it is associated with the twins Castor and Pollux in Greek mythology.

IAU constellation map showing the boundaries and main stars

Gemini

Genitive Geminorum
Symbolism The Gemini
Right ascension 07h 00m 00s
Declination +20° 00' 00"
Area
Area rank 30
Brightest star
Best visible at 21:00 Variable

Deep-Sky Objects Summary

30
Brightest Stars
14
Open Clusters
0
Globular Clusters
30
Galaxies
1
Nebulae

Brightest Stars

Designation Name Apparent magnitude Right ascension Declination Spectral type

Galaxies

Designation Name Apparent magnitude Right ascension Declination Type

Nebulae

Designation Name Apparent magnitude Right ascension Declination Type