Either star could work for Leap +2 in 1950 era or Leap+1 in 2000 era. If you are choosing, remember that a smaller magnitude number is a brighter star, if that is your preference.

Name: 74Phi LEO
Birthday from Jack’s initial research: September 10
Magnitude: 4.5
Spectrum/Star type: White
Distance in Light Years: 195
Diameter compared to Sun:
Luminosity compared to Sun:
Date best observed: Apr 25
Additional information: A double star, one star appears to be a rapid rotator.

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”.