Kaus Borealis ("elbow, north") is the name for the star? Sagittarii (Lambda Sagittarii). Kaus Borealis has an apparent brightness of +2,9 likes and belongs to the spectral class K0. The distance of Kaus Borealis amounts to 70 light-years. Kaus Borealis can as eclipticnear star of the moon and (very rarely!) by planets to be covered. The last coverage of Kaus Borealis by a planet took place on 19 November 1984 via Venus, the next to last on 5 December 1865 via merkur.
Nebula discovered in the upper part of the bow of Sagittarius at about one degree from the star Lambda and little distant from the beautiful nebula which is between the head and the bow [M22].
I have compared the middle [of it] with the star LambdaSagittarii, and I have concluded its right ascension of 272d 29' 30", and its declination of 37d 11' 57" south.
Nebula without star, situated about one degree from the star LambdaSagittarii, and little distant from the beautiful nebula which is between the head and the bow.
The constellation contains nebulae such as the Lagoon Nebula (M8), near λ Sagittarii, beautiful in telescopes; the Omega, Swan, or Horseshoe Nebula (M17), near the border with Scutum; and the Trifid Nebula (M20), a large nebula containing some very young, hot stars.
The Western astrological sign Sagittarius of the tropical zodiac (November 22 - December 21) differs from the astronomical constellation and the Hindu astrological sign of the sidereal zodiac (December 18 - January 18).
Alpha Sagittarii, Rukbat, Rucba, Rukbat al Rami, Alrami
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