Cancer is one of the 48 ancient constellations recorded by Ptolemy.
Historical Map of Cancer
(to be added in the next iteration of this page)
Modern Map of Cancer
Wikimedia Commons map by IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg)
Constellations Bordering Cancer
Canis Minor, Gemini, Hydra, Leo, Leo Minor, Lynx
Stars in Cancer
Stars that have common names often have multiple names, so the common names shown (if any) cannot be considered authoritative. Right ascension and declination are given in 2000.0 coordinates.
α Cnc
β Cnc
γ Cnc
δ Cnc
ε Cnc
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