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Serpens Constellation

Serpens (Pronounciation:Sir-pens, Abbrev:Ser) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Serpens takes up 636.928 sq. degrees of the night sky which equates to 1.54% of the night sky. The constellation gets its name as it name means The Serpents . The constellation is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. and 168 A.D.

Serpens is an equatorial constellation that can be seen by countries nearest the Equator. The brightest star in Serpens is Unukalhai. There are 6 Extrasolar Planets (Exoplanets) detailed on this site.

Legend of the Constellation

The Serpents although two separate constellations are usually referred to as one. The constellation Ophiuchus is sandwiched in between them. They are probably serpents that Ophiuchus cured people with.

Meteor Showers

There are 12 Meteor Showers that occur during the year within this constellation based on information gathered from Adam Mickiewicz University (Poland). The ones listed as the ones I've been able to find a date range for. For others if you have the time, you can visit the AMU site, obtains the SL value then use IMO tables to calculate the date. A lot of the Meteor Showers are weak and you need to do a lot of stargazing to spot them.

NameActivityPeak ActivityClosest Star
Kappa Serpentids1 Apr- 7 Apr05-AprKappa Serpentis


Serpens Constellation Map


Serpens Constellation Star Map

List of Named Stars in Serpens


StarDistanceDeclinationRight Ascension
A2 Serpentis408.21-01 d 48 ` 14.815h 46m 05.65
Alya142.8+04 d 12 ` 07.418h 56m 14.61
Unukalhai73.23+06 d 25 ` 31.915h 44m 16.00


Objects of Interest (Galaxies, Nebulas, Supernovas, etc) in Serpens


NameTypeDistanceDeclinationRight Ascension
Eagle NebulaStar Forming Nebula7-13:4718h 18m 8
M5 Globular ClusterGlobular Cluster24.5+02:0515h 18m 6


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