November 8

November 8 Leap Leap+1 Leap+2 Leap+3
1950 16 LIB 16 LIB
2000 16 LIB 9Alpha2 LIB

Use 16 LIB for any year on this day in the 1950 era. Use either star in the 2000 era. Remember that a brighter star has a lower magnitude number, if that is your choice.

Name: 9Alpha2 LIB Zubenelgenubi
Birthday from Jack’s initial research: Nov 7
Magnitude: 2.7
Spectrum/Star type: White, with strong metallic spectral lines
Distance in Light Years: 77
Diameter compared to Sun: ~5x
Luminosity compared to Sun: <40x
Date best observed: Jun 19
Additional information: The “Southern Claw”, once part of the Scorpion, now Libra’s southern scale. It’s companion 8 Alpha1 can be easily seen in binoculars, ~1.5x wider and ~5x more luminous than the sun. They are a true binary system. Each one is a spectroscopic binary as well. It is a 4-star system! This star is probably part of the Castor moving group. It is located just N of Ecliptic and is also a Navigational Star.

Name: 16 LIB
Birthday from Jack’s initial research: Nov 8
Magnitude: 4.5
Spectrum/Star type: Light yellow
Distance in Light Years: 91
Diameter compared to Sun: ~2x
Luminosity compared to Sun: ~7x
Date best observed: Jun 20
Additional information: This star is located outside of the zodiac.

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