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Cassiopeia (constellation)
From Wikipedia, the free encyclopedia
 Click for larger image |
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| List of stars in Cassiopeia | |
| Abbreviation: | Cas |
| Genitive: | Cassiopeiae |
| Symbology: | the Seated Queen |
| Right ascension: | 1 h |
| Declination: | +60° |
| Area: | 598 sq. deg. (25th) |
| Main stars: | 5 |
| Bayer/Flamsteed stars: | 53 |
| Stars known to have planets: | 1 |
| Bright stars: | 5 |
| Nearby stars: | 3 |
| Brightest star: | α Cas (Schedar) (2.23m) |
| Nearest star: | η Cas (Achird) (19.4 ly) |
| Messier objects: | 2 |
| Meteor showers: | Perseids |
| Bordering constellations: | Camelopardalis Cepheus Lacerta Andromeda Perseus |
| Visible at latitudes between +90° and −20° Best visible at 21:00 (9 p.m.) during the month of November |
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Cassiopeia (pronounced /ˌkæsiːəˈpiːə/, colloquially /ˌkæsiˈoʊpiə/) is a northern constellation which Greek mythology considered to represent a vain queen who boasted about her unrivaled beauty. It is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy.
The constellation is in the rough shape of the letter "W."
Gamma Cassiopeiae (the center point of the "W") is also known as Navi, in honor of Apollo One commander Gus Grissom. This was originally a practical joke by Grissom, who added three names to the NASA star charts, in honor of himself and his crewmates. Grissom's middle name was Ivan, which reverses to Navi.
Two Messier objects, Messier 52 (NGC 7654) and Messier 103 (NGC 581) are located in Cassiopeia. Both are open clusters and being 7th magnitude objects they are easy targets with binoculars.
- The Deep Photographic Guide to the Constellations: Cassiopeia
- The clickable Cassiopeia
- Traditional astrological talisman of Cassiopeia
- Star Tales – Cassiopeia
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| Andromeda • Antlia • Apus • Aquarius • Aquila • Ara • Aries • Auriga • Boötes • Caelum • Camelopardalis • Cancer • Canes Venatici • Canis Major • Canis Minor • Capricornus • Carina • Cassiopeia • Centaurus • Cepheus • Cetus • Chamaeleon • Circinus • Columba • Coma Berenices • Corona Australis • Corona Borealis • Corvus • Crater • Crux • Cygnus • Delphinus • Dorado • Draco • Equuleus • Eridanus • Fornax • Gemini • Grus • Hercules • Horologium • Hydra • Hydrus • Indus • Lacerta • Leo • Leo Minor • Lepus • Libra • Lupus • Lynx • Lyra • Mensa • Microscopium • Monoceros • Musca • Norma • Octans • Ophiuchus • Orion • Pavo • Pegasus • Perseus • Phoenix • Pictor • Pisces • Piscis Austrinus • Puppis • Pyxis • Reticulum • Sagitta • Sagittarius • Scorpius • Sculptor • Scutum • Serpens • Sextans • Taurus • Telescopium • Triangulum • Triangulum Australe • Tucana • Ursa Major • Ursa Minor • Vela • Virgo • Volans • Vulpecula |
