September 20

September 20 Leap Leap+1 Leap+2 Leap+3
1950 94Beta LEO
5Beta VIR 5Beta VIR 5Beta VIR
2000 93 LEO
94Beta LEO 94Beta LEO
5Beta VIR 5Beta VIR 5Beta VIR 5Beta VIR

Leap year in the 1950 era could use 5 Beta Virgo. In a few cases you have a choice. Remember that a smaller magnitude number is a brighter star, if that is your preference.

Name: 93 LEO
Birthday from Jack’s initial research: Sep 19
Magnitude: 4.5
Spectrum/Star type: white
Distance in Light Years: 225
Diameter compared to Sun: 4
Luminosity compared to Sun: 25
Date best observed: May 4
Additional information: Located just outside of the zodiac, 93 Leo is a spectroscopic binary. With brighter Beta, Delta, and Theta,93 LEO made a rectangular “Bed” in the Hindu Lunar Zodiac.

Name: 94Beta LEO Denebola
Birthday from Jack’s initial research: Sept 19
Magnitude: 2.1 just slightly variable
Spectrum/Star type: White
Distance in Light Years: 36
Diameter compared to Sun: 2
Luminosity compared to Sun: 14
Date best observed: May 4
Additional information: Denebola is outside of the zodiac. The name translates as “The Lion’s Tail”. Nicknamed “Changer of the Seasons”. When we see Denebola in the east, it is getting warmer, and in the west, getting cooler. With bright Arcturus and Spica, and dimmer Cor Caroli (below The Handle of The Big Dipper), Denebola forms Spring’s “Diamond of Virgo”. It is surrounded by a dust cloud where planets may be forming.

Name: 5Beta VIR Zavijava
Birthday from Jack’s initial research: Sep 20
Magnitude: 3.6
Spectrum/Star type: Light yellow
Distance in Light Years: 36
Diameter compared to Sun: <2
Luminosity compared to Sun: 3.5
Date best observed: May 4
Additional information: “The Angle”, Arab Kennel of the Dog. Between Beta & Eta is the position of the northern hemisphere Autumn Equinox. This star was used for confirmation of Einstein’s Theory of Relativity during a solar eclipse in Sept. 1922. This star lies at the same distance as Denebola, and is a triple system.

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