Serpens Caput

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Abbreviation:  Ser (Serpens Caput)
English Name:  The Snake’s Head
Genitive: Unukalhai
Hemisphere: Northern and Southern Hemisphere. (Bold means the more area in square feet in Northern Hemisphere.)
Location: Between the constellations of Ophiuchus and Boötes.
Visible between latitudes:  +80 and -80 degrees
Best season: Summer
Seen in three seasons: Spring, Summer, & Autumn
Best seen in:  June (map)
Seen between: March and September
Right Ascension (RA): 16 hour
Declination (DEC): -10 degrees
Area (square degrees):
Serpens Caput: 428 square degrees
Serpens Cauda: 208 square degrees
Total: 637 square degrees (23rd)

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Serpens Caput (The Snake’s Head)

  • The constellation is divided into two parts by Ophiuchus, the snake bearer: Serpens Caput, representing the serpent’s head, and Serpens Cauda, the serpent’s tail.

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Messier Objects in Serpens Caput

  • Messier 5
    M5 is often considered one of the three finest globular clusters in the northern sky, alongside Messier 13 and Messier 3. Because it is bright, large, and richly populated, it is a favorite target for both amateur astronomers and professional researchers studying stellar evolution.

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      More objects in Serpens Caput

      Select CatalogNo of Objects
      Barnard (B)0x object
      Caldwell (C)0x object
      Collinder (Cr)0x object
      New General Catalogue (NGC)71x objects
      Index Catalogue (IC)69x objects
      Sharpless (Sh2)2x objects

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      Features of Interest

      • NGC 5921 is located in Serpens Caput, or the Serpent’s Head.

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      Named Stars

      • Unukalhai
      • more list of stars in Serpens

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      Planetarium / Constellation Map

      Live constellation visible
      from the UK :- Planetarium (Serpens Caput)      		Best Seen in:
      June (map)      		Seen between:
      March and September

      IAU Sky Chart: Serpens Caput

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      Constellations – Visible from the UK

      AndromedaAquariusAquilaAriesAuriga
      BoötesCamelopardalisCancerCanes VenaticiCanis Major
      Canis MinorCapricornusCassiopeiaCepheusCetus
      Coma BerenicesCorona BorealisCorvusCraterCygnus
      DelphinusDracoEquuleusGeminiHercules
      HydraLacertaLeoLeo MinorLepus
      LibraLynxLyraMonocerosOphiuchus
      OrionPegasusPerseusPiscesSagitta
      ScutumSerpens CaputSerpens CaudaSextansTaurus
      TriangulumUrsa MajorUrsa MinorVirgoVulpecula
      (50 constellations above are visible from the United Kingdom.)

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      Parts visible from the UK

      AntliaColumbaEridanusFornaxMicroscopium
      Piscis AustrinusPuppisPyxisSagittariusScorpius
      Sculptor
      (11 constellations above are partially visible from the United Kingdom.)

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      Constellations: Southern Celestial Hemisphere
      …..– never seen from the UK

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      Back to Constellation Names

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