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CONSTELLATION OF SERPENS |
Name: Serpens
Abbreviation: Ser
Meaning: Snake (Serpent)
Right Ascension: Caput 16h, Cauda18h
Declination: Caput +10º, Cauda-5º
Area (Degrees squared): 637
Stars with known planets: 5
Bordering Constellations:
Serpens Caput (Head) - Corona Borealis, Bootes, Virgo,
Libra, Ophiuchus, Hercules
Serpens Cauda (Tail) - Aquila, Ophiuchus, Sagittarius,
Scutum
Visible at latitudes between +80º and -80º and best at mid-evening during July. In the northern hemisphere, the constellation of Serpens
is considered a summer constellation and is visible from April to Ocober depending on the time of night.
Serpens is unique among modern constellations in being split into two separate sections, Serpens Caput (the head) to the west and Serpens Cauda (the tail) to the east.
Between these two halves lies the constellation of Ophiuchus, the serpent holder. Serpens was one of the 48 constellations listed by the 1st century astronomer Ptolemy and
remains one of the 88 modern constellations.
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| Serpens |
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| Observations |
Deep Sky Objects:
Caput:
M5 - Globular Cluster, magnitude 5.60
Cauda:
M16 - Open Cluster with Eagle Nebula, magnitude 6.00
IC 4756 - Open Cluster, magnitude 5.00
Part of the Milky Way passes through the Serpent´s tail.
Numbered Stars with Magnitudes:
Caput:
1. +4.05
2. +3.85
3. +3.65
4. +4.10
5. +2.60 - Unukalhai
6. +3.70
7. +3.50
Cauda:
8. +4.30
9. +3.50
10. +4.20
11. +3.20
12. +4.60 - Alya
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