Abbreviation: Ser
English Name: the Serpent
Visible at latitudes between +80° and −80°.
Best visible at 21:00 (9 p.m.) during the month of July.
Total: 637 sq. deg. (23rd)
Main stars 11
Bayer/Flamsteed stars 57
Stars with planets 15
Stars brighter than 3.00m 1
Stars within 10.00 pc (32.62 ly) 2
Brightest star α Ser (Unukalhai) (2.63m)
Messier objects 2
Meteor showers 0
Serpens Caput
Right ascension: 15h 10.4m to 16h 22.5m
Declination: 25.66° to −03.72°
Area: 428 sq. deg.
Bordering constellations
Corona Borealis
Boötes
Virgo
Libra
Ophiuchus
Hercules
Serpens Cauda
Right ascension: 17h 16.9m to 18h 58.3m
Declination: 06.42° to −16.14°
Area: 208 sq. deg.
Bordering constellations
Aquila
Ophiuchus
Sagittarius
Scutum