Fortune Telling Collection - Zodiac Guide - Where is Orion?
Where is Orion?
One of the zodiac signs. Located between Gemini, Unicorn, Canis Canis and Taurus, its northern part is submerged in the Milky Way. The main body of the constellation consists of four bright stars, Betelgeuse and Betelgeuse, forming a quadrilateral. In the center of the quadrangle, there are three bright stars in a straight line, which should be a belt tied around the hunter's waist. In addition, under these three stars, there are three little stars, which are swords hanging on the belt. The whole image is like a brave hunter, with his head held high, which is very spectacular and has been noticed by people since ancient times.
Under the hunter's sword, the naked eye can see a blue and white hazy nebula, which is the famous Orion nebula. At the left end of the hunter belt, there is a dark nebula shaped like a horse's head, which is the famous horse's head nebula. Besides these famous nebulae, Orion has many gas nebulae, and it can be said that the whole constellation is rippling in the gas nebulae.
The four stars α, γ, β and κ in Orion form a quadrilateral, and in its center, the three stars δ, ε and ζ are arranged in a straight line. These are the seven brightest stars in Orion, among which α and β are first-class stars and the rest are second-class. There are so many bright stars in a constellation, and the arrangement is so regular and magnificent. No wonder, all over the world, it is a symbol of strength, tenacity and success, and people always compare it to gods, warriors, superman and heroes.
Among the 28 hotels in Sanyuan, China, Orion is equivalent to Betelgeuse, Jing Daole, Shenqi and Shuifu.
The brightest star in Orion is alpha star, which is the ninth brightest star in the whole day, Latin for Betelgeuse, and its brightness varies between 0.06 and 0.75, with a period of 5.5 years, belonging to irregular variable stars; The apparent magnitude of beta star Orion is 0. 12, ranking seventh among all-daylight stars, with an absolute magnitude of -7. 1 and a surface temperature of 12000. Every year 1 the end of February, at 8: 00 pm, the three stars of Orion are high in the southern sky, so there is a folk saying that "the three stars are shining high and the New Year is coming".
The best observation date of Orion is1from early February to early April. It rises from the southeast when it appears, and falls from the southwest after crossing the zenith. Orion α and β are extremely bright and easy to see in a cloudless night sky. However, because there are many bright stars in the winter night sky, other stars are needed to identify Orion. Usually, three bands arranged in a straight line are used as its identification index. The brightness of these three stars is between 1.7-2.3, so they can be easily seen clearly in the sky with little light damage. α and β are located at the north and south ends with a vertical line in the middle. After figuring it out, it is found that G and κ are in the west of α and in the east of β, and the whole Orion contour has been called out!
Date and time elevation azimuth
65438+February 1 Day 2 1:00 20-45 Southeast and East
1 month 1 day 21:00,45-70, southeast of zenith.
2 1: 00, 60-90 February 1 day, zenith south.
March 1 Day 2 1:00 40-65 Southwest and West
April 1 day, 20: 00, 30-55, Xiti
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