Best season for observing constellations _ What is the best season for observing constellations?

When is the best season to observe Sagittarius?

Sagittarius is a very spectacular constellation, located in the widest and brightest area of the Milky Way, that is, the center of the Milky Way. Every summer is the best season to observe Sagittarius. At the end of June and the beginning of July, just after sunset, Sagittarius rises from the east and can be seen all night. Sagittarius is one of the zodiac 12 constellations, with Capricorn in the east and Scorpio in the west. Some people call Sagittarius Sagittarius, which is an irregular name. The hero of Sagittarius is Kay Loen, a centaur whose upper body is human and lower body is horse in Greek mythology. Kay Loen is not only good at archery, but also the most learned man in Greece. Many great heroes worship him as their teacher.

Because Sagittarius is located in the south, this constellation can't be seen at all in the area north of 78 north latitude on the earth, and the complete Sagittarius can only be seen in the area south of 45 north latitude. You can see the complete Sagittarius in most parts of China.

Sagittarius has a wide range and contains many bright stars, including two second-class stars and eight third-class stars. Sagittarius is also a place where famous deep space objects gather. Besides trifid nebula, there are 14 messier objects, such as the famous lagoon nebula M8 and horseshoe nebula M 17. Trifid nebula ranks 20th in messier catalog, abbreviated as M20. It is located about 4 degrees southwest of the brighter Sagittarius μ on the handle tip of Nandou Six Star. Trifid nebula is 5600 light years away.