Serpens

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Serpens
Constellation
Serpens CaputSerpens Cauda
Abbreviation Ser
Genitive Serpentis
Pronunciation /ˈsɜrpɨnz/,
genitive /sərˈpɛntɨs/
Seembolism the Snake
Richt ascension Serpens Caput: 16 h
Serpens Cauda: 18 h
Declination Serpens Caput: +10°
Serpens Cauda: −5°
Quadrant Serpens Caput: NQ3
Serpens Cauda: SQ3
Aurie 637 sq. deg. (23rd)
Main starns 9
Bayer/Flamsteed
stars
57
Starns wi planets 13
Starns brichter than 3.00m 1
Starns within 10.00 pc (32.62 ly) 2
Brichtest starn α Ser (Unukalhai) (2.63m)
Nearest starn GJ 1224
(24.60 ly, 7.54 pc)
Messier objects 2
Borderin
constellations
Serpens Caput:
Corona Borealis
Boötes
Virgo
Libra
Ophiuchus
Hercules

Serpens Cauda:
Aquila
Ophiuchus
Sagittarius
Scutum
Veesible at latitudes atween +80° an −80°.
Best veesible at 21:00 (9 p.m.) durin the month o Julie.

Serpens ("the Serpent", Greek Ὄφις) is a constellation o the northren hemisphere. It wis ane o the 48 constellations leetit bi the 2nr century astronomer Ptolemy an it remains ane o the 88 modren constellations defined bi the Internaitional Astronomical Union.

It is unique amang the modren constellations in bein split intae twa non-contiguous pairts, Serpens Caput (Serpent's Heid) tae the wast an Serpens Cauda (Serpent's Tail) tae the east. Atween these twa halves lies the constellation o Ophiuchus, the "Serpent-Bearer". In figurative representations, the body o the serpent is representit as passin behind Ophiuchus atween μ Ser in Serpens Caput an ν Ser in Serpens Cauda. The brichtest starn in Serpens is Unukalhai or Cor Serpentis "Serpent's Heart", wi an apparent magnitude o 2.63.

Coordinates: Sky map 17h 00m 00s, +03° 00′ 00″