September 12

September 12 Leap Leap+1 Leap+2 Leap+3
1950 77Sigma LEO 77Sigma LEO
78 Iota LEO 78 Iota LEO 78 Iota LEO
2000 77Sigma LEO 77Sigma LEO 77Sigma LEO
78 Iota LEO 78 Iota LEO

Every year has a star on this date. In a few cases you have a choice. Remember that a smaller magnitude number is a brighter star, if that is your preference.

Name: 77Sigma LEO
Birthday from Jack’s initial research: September 11
Magnitude: 4.0
Spectrum/Star type: Blue-white
Distance in Light Years: 215
Diameter compared to Sun: ~3x
Luminosity compared to Sun: more than 50x
Date best observed: Apr 25
Additional information: China:”Higher General”.

Name: 78 Iota LEO
Birthday from Jack’s initial research: September 12
Magnitude: 3.9
Spectrum/Star type: Light yellow Subgiant
Distance in Light Years: 79
Diameter compared to Sun: 2
Luminosity compared to Sun: 11
Date best observed: Apr 27
Additional information: China: “Second General”. A binary system, with a period of 192 years.

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