December 26

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.

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