Southern sky constellation _ Southern sky constellation map

Located in the zodiac in the southern hemisphere, between Libra in the west and Sagittarius in the east.

Scorpio, one of the zodiac signs in the southern hemisphere, covers an area of 496.78 square degrees, accounting for 1.204% of the total area of the whole day, ranking 33rd among 88 constellations in the whole day. On the night of June 3rd every year, the Scorpio Center falls from the sky. There are 62 stars in Scorpio with brightness greater than 5.5. The brightest star is Antares (Scorpio α), and the apparent magnitude is 0.96, which is the fifteenth brightest star in the whole day.

Function-

Scorpio, located between Libra and Sagittarius, is the eighth house of the zodiac. The best observation time is from mid-July to early September. Scorpio is a constellation near the center of the Milky Way, with many bright stars, among which Antares (Scorpio α) is the fifteenth bright star in the whole day.

The bright star of Scorpio looks like a huge scorpion, where π, ρ, δ and β represent the head of the scorpion, σ, α and ρ represent the chest of the scorpion, and ε, ζ, η, μ, θ, ι and κ represent the tail of the scorpion.

Extended data:

Deep space objects—

Because this constellation is located near the center of the Milky Way, it contains a large number of deep space objects, such as open cluster M6 (butterfly cluster), M7 (Ptolemy cluster), globular cluster M4 and M80, and the famous open cluster NGC 623 1.

1、M7

One of the most famous open star clusters in the sky. This cluster has many bright blue stars. At night, we can see it from the tail of Scorpio with the naked eye.

M7 is about 1000 light-years away from the earth, and consists of about1000 stars, with an age of about 200 million years and a size of about 25 light-years. As early as ancient times, people began to know about the M7 open cluster, and Ptolemy, an ancient Greek, observed it in A.D. 130. ?

2. Butterflies (M6)

M celestial body, which is quite close (angular distance) to the center of the Milky Way, is located at the tail of Scorpio, with brightness of 4.2, etc.

Baidu encyclopedia-Scorpio