IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg). Via Wikipedia.
Cancer
The Crab
OriginAncient
AbbreviationCnc
GenitiveCancri
Pronunciation/ˈkænsər/ genitive /ˈkæŋkraɪ/
CAN-ser
LocationNorthern Hemisphere
Primary StarTarf (β Cancri)
Right Ascention 8h 17m Declination +9° 11'
Martian Solar Lag δ(🜨→♂) +0.238h (14.3m)
When Hercules was fighting the Lernaean Hydra as the second of his Twelve Labors, Hera sent a huge crab to assist the Hydra by snapping at Hercules’ heels. Hercules crushed the crab and Hera placed it in the heavens as the constellation Cancer.
www.underthesky.com
Cancer 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.
←June 1550→
SunMonTueWedThurFriSat
123
45678910
11121314151617
18192021222324
252627282930
1 June 1550 2 June 1550 3 June 1550 4 June 1550 5 June 1550 6 June 1550 7 June 1550 8 June 1550 9 June 1550 10 June 1550 11 June 1550 12 June 1550 13 June 1550 14 June 1550 15 June 1550 16 June 1550 17 June 1550 18 June 1550 19 June 1550 20 June 1550 21 June 1550 22 June 1550 23 June 1550 24 June 1550 25 June 1550 26 June 1550 27 June 1550 28 June 1550 29 June 1550 30 June 1550 1 July 1550
MD -173631 MD -173630 MD -173629 MD -173628 MD -173627 MD -173626 MD -173625 MD -173624 MD -173623 MD -173622 MD -173621 MD -173620 MD -173619 MD -173618 MD -173617 MD -173616 MD -173615 MD -173614 MD -173613 MD -173612 MD -173611 MD -173610 MD -173609 MD -173608 MD -173607 MD -173606 MD -173605 MD -173604 MD -173603 MD -173602 MD -173601