Constellation near Centauri _ Where is Centauri?

Is there a difference between Sagittarius and Centauri?

There is a difference, not a constellation.

Difference: different directions, different equal brightness.

Difference 1: the direction is different.

Sagittarius is located in the zodiac, east of Ophiuchus and west of Capricorn. Centauri is located in the south of Ophiuchus, between Jackal and Vela.

Difference 2: Different brightness.

The visual magnitude of 193 stars in Centauri is better than 6, and the brightness of 28 stars is higher than 4. Sagittarius has 65 stars brighter than 5.5, the brightest star is Giussan (Sagittarius ε), and the apparent magnitude is 1.85.

Extended data:

Centauri is often confused with Sagittarius, Pegasus and Sagittarius. Compared with the other three constellations, Centauri is a huge and bright constellation, which has two first-class stars, Alpha Centauri and Beta Centauri.

Centauri is one of the southern constellations. For observers in the southern hemisphere, Centauri is a constellation in autumn night, but in China, only a few southern provinces can see it in spring night. The two brightest stars in Centauri, Nanmener and Baimaweiyi, are close to each other and close to the compass.

During Zheng He's seven voyages to the Western Ocean in14th century, they were used for navigation, and they were called "South Gate Twin Stars". The famous proxima centauri is located in Centauri, which is a sub-star of the triad star Nanmener and the closest star to the solar system.