Name: 67 Alpha VIR Spica
Birthday from Jack’s initial research: Oct 16
Magnitude: 1.00
Spectrum/Star type: Blue
Distance in Light Years: 260
Diameter compared to Sun: A-7x & B-4x
Luminosity compared to Sun: A-12000x & B-1500x
Date best observed: May 28
Additional information: Latin: “A Spike of Wheat”. It forms Spring’s “Diamond of Virgo” with Arcturus, Denebola, and Cor Caroli. Spica is a Navigational Star. It is the 16th brightest star and the bluest star of the zodiac. It is a binary system with only 11 million miles between the stars, orbiting with a 4-day period. Both are egg-shaped and they eclipse each other end-on, making Spica a variable star.

Name: 69 VIR
Birthday from Jack’s initial research: Oct 16
Magnitude: 4.8
Spectrum/Star type: Orange giant
Distance in Light Years: 260
Diameter compared to Sun: more than 15
Luminosity compared to Sun: more than 60
Date best observed: May 28