December 26 | Leap | Leap+1 | Leap+2 | Leap+3 |
1950 | 19Delta SGR | 19Delta SGR | 19Delta SGR | HR 6842 SGR |
20Epsilon SGR | 20Epsilon SGR | |||
21 SGR | ||||
2000 | HR 6842 SGR | HR 6842 SGR | ||
19Delta SGR | 19Delta SGR | 19Delta SGR |
In some cases you have a choice of stars for this date. Remember that a brighter star has a smaller magnitude number, if that is your choice.
Name: HR 6842 SGR aka HIP 89678 formerly BS 6842
Birthday from Jack’s initial research: A Merry Dec 25!
Magnitude: 4.6
Spectrum/Star type: Orange Giant
Distance in Light Years: 700
Diameter compared to Sun: ~20x
Luminosity compared to Sun: over 200x
Date best observed: Aug 10
Name: 19Delta SGR Media
Birthday from Jack’s initial research: Dec 26
Magnitude: 2.7
Spectrum/Star type: Orange Giant
Distance in Light Years: 305
Diameter compared to Sun: 60
Luminosity compared to Sun: 1200 in infra-red
Date best observed: Aug 10
Additional information: From Latin for “Middle” of the Bow. It has three faint companions.
Name: 20Epsilon SGR Kaus Australis
Birthday from Jack’s initial research: Dec 26
Magnitude: 1.8
Spectrum/Star type: Blue Giant
Distance in Light Years: 145
Diameter compared to Sun: 7
Luminosity compared to Sun: 345
Date best observed: Aug 11
Additional information: From Arabic & Latin: “the Southern Part of the Bow”. This is the brightest star in Sagittarius and lies outside of the zodiac. It is a shell star rotating 70x faster than the sun.
Name: 21 SGR
Birthday from Jack’s initial research: Dec 27
Magnitude: 4.8
Spectrum/Star type: Orange Giant
Distance in Light Years: 600
Luminosity compared to Sun: ~250
Date best observed: Aug 12
Additional information: This is a double star.