The Binocular Sky

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ι Cancri

Constellation: Cnc
Object Type: Multiple Star
RA:  9h 11m 10s
Dec:  +28° 24' 26"
Magnitude: 4.0
Recommended minimum aperture: 70mm

Charts for 100mm Binocular (2.5° aperture circle).   Click on a chart to print it.



Location:

ι Cnc lies mid-way between Castor (α Gem) and Ras Elad Australis (&epsilon Leo)



What You Should See:

The components of Iota are a yellow giant and a white main sequence (i.e. hydrogen fusing, not a stellar corpse) dwarf that shine at magnitudes 4.0 and 6.0 respectively, and are separated by 30 arcseconds. Iota is a true binary with an orbital period of 65,000 years.



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