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 1500→
SunMonTueWedThurFriSat
12
3456789
10111213141516
17181920212223
24252627282930
1 June 1500 2 June 1500 3 June 1500 4 June 1500 5 June 1500 6 June 1500 7 June 1500 8 June 1500 9 June 1500 10 June 1500 11 June 1500 12 June 1500 13 June 1500 14 June 1500 15 June 1500 16 June 1500 17 June 1500 18 June 1500 19 June 1500 20 June 1500 21 June 1500 22 June 1500 23 June 1500 24 June 1500 25 June 1500 26 June 1500 27 June 1500 28 June 1500 29 June 1500 30 June 1500 1 July 1500
MD -191893 MD -191892 MD -191891 MD -191890 MD -191889 MD -191888 MD -191887 MD -191886 MD -191885 MD -191884 MD -191883 MD -191882 MD -191881 MD -191880 MD -191879 MD -191878 MD -191877 MD -191876 MD -191875 MD -191874 MD -191873 MD -191872 MD -191871 MD -191870 MD -191869 MD -191868 MD -191867 MD -191866 MD -191865 MD -191864 MD -191863