July 30

Leap Leap+1 Leap+2 Leap+3
1950 4Delta HYA 4Delta HYA
Praesepe (M44) CNC Praesepe (M44) CNC Praesepe (M44) CNC Praesepe (M44) CNC
43Gamma CNC
2000 4Delta HYA 4Delta HYA 4Delta HYA
Praesepe (M44) CNC Praesepe (M44) CNC

In a few cases you have a choice and you can consult the descriptions to see which one you like better.

Remember that a smaller magnitude number is a brighter star, if that is your preference.

Use M44 for L+2 and L+3 in the 2000 era.

Name: 4Delta HYA
Birthday from Jack’s initial research: Jul 29, just outside of the zodiac
Magnitude: 4.1
Spectrum/Star type: White, fast rotator
Distance in Light Years: 180
Diameter compared to Sun: 2
Luminosity compared to Sun: 45
Date best observed: Mar 16
Additional information: In the Head of the Watersnake, just beyond the Zodiac.

Name: Epsilon CNC (Praesepe). M.44
Birthday from Jack’s initial research: July 30
Magnitude: 3.1, this integrated magnitude is brighter than any CNC star!
Spectrum/Star type: Yellow & Orange stars-more than 350.
Distance in Light Years: 590
Diameter compared to Sun: this is a cluster with many stars
Luminosity compared to Sun: this is a cluster with many stars
Date best observed: Mar 17
Additional information: Latin:”The Manger”. Also called “the Beehive”. One of the nearest star clusters, easily seen in a dark sky. Number 44 in Messier’s catalog. 400 million years old. When this cluster was obscured by clouds, but Pollux and Castor could be seen meant to the Greeks that humidity was in the air and it would rain soon.

Name: 43Gamma CNC Asellus Borealis
Birthday from Jack’s initial research: July 31
Magnitude: 4.7
Spectrum/Star type: White, perhaps 4 stars!
Distance in Light Years: 160
Diameter compared to Sun: 2
Luminosity compared to Sun: 25
Date best observed: Mar 18
Additional information: Latin:”the Northern Donkey” near “The Manger”.

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