Serpens
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Serpens (Ancient Greek: Ὄφις, romanized: Óphis, lit. 'the Serpent') is a constellation in the northern celestial hemisphere. One of the 48 constellations listed by the 2nd-century astronomer Ptolemy, it remains one of the 88 modern constellations designated by the International Astronomical Union. It is unique among the modern constellations in being split into two non-contiguous parts, Serpens Ca
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Accuracy is not guaranteed.
| Constellation | |
| Abbreviation | Ser |
|---|---|
| Genitive | Serpentis |
| Pronunciation | /ˈsɜːrpɪnz/, genitive /sərˈpɛntɪs/ |
| Symbolism | the Snake |
| Right ascension | Serpens Caput: 15 10.4 –16 22.5 Serpens Cauda: 17 16.9 –18 58.3 |
| Declination | Serpens Caput: 25.66°–−03.72° Serpens Cauda: 06.42°–−16.14° |
| Area | Serpens Caput: 428 sq. deg. Serpens Cauda: 208 sq. deg. Total: 637 sq. deg. (23rd) |
| Main stars | 11 |
| Bayer/Flamsteed stars | 57 |
| Stars brighter than 3.00 | 1 |
| Stars within 10.00 pc (32.62 ly) | 2 |
| Brightest star | α Ser (Unukalhai) (2.63) |
| Nearest star | Gliese 701 (HD 165222) |
| Messier objects | 2 |
| Meteor showers | 0 |
| Bordering constellations | Serpens Caput: Corona Borealis Boötes Virgo Libra Ophiuchus Hercules Serpens Cauda: Aquila Ophiuchus Sagittarius Scutum |
| Visible at latitudes between +75° and −65°. Best visible at 21:00 (9 p.m.) during the month of July. | |
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