IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)
Cetus
The Sea Monster/The Whale
OriginAncient
AbbreviationCet
GenitiveCeti
Pronunciation/ˈsiːtəs/ SEE-təss genitive /ˈsiːtaɪ/ SEE-tye
SEE-tus
LocationCelestial Equator
Primary StarDiphda (β Cet)
Right Ascention 0h 44m Declination -17° 59'
Martian Solar Lag δ(🜨→♂) +0.021 h (1.3 min)
Cetus was the sea-monster sent by Poseidon to ravage Aethiopia as punishment for Queen Cassiopia’s boast that her daughter Andromeda was more beautiful than the Nereids. King Cepheus offered his daughter as sacrifice to Cetus to appease it, but the hero Perseus killed the creature to save her.
www.underthesky.com
Cetus as depicted by Johann Bayer in his Uranometria (1603). Source image provided by www.RareMaps.com — Barry Lawrence Ruderman Antique Maps Inc. Via www.underthenightsky.com.
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