Constellation tip: When does Canis major appear?

This issue of constellation knowledge brings us the time when Canis major appears. Canis Canis, one of the 88 constellations in the whole day, is located in the southern sky, one of the 48 constellations defined by Ptolemy. It is said that it was originally a hunting dog of hunter O 'Ryan. Then, follow me to have a look!

May be interested in the origin of the name Canis major.

What season is Canis major?

A: Canis major is close to the sun in May, June, July and August, so it is not easy to see at any time. In other months, you can see Canis major is one of the most striking constellations in the southern sky on winter nights. The whole constellation looks like a hound, and swiftly pounces on the rabbits in the west.

Introduction to Canis major

Canis Canis, one of the 88 constellations in the whole day, is located in the southern sky, one of the 48 constellations defined by Ptolemy. It is said that it was originally a hunting dog of hunter O 'Ryan. Sirius Canis the brightest star in the night sky and the fixed point of the winter triangle.

The origin of the name Canis major.

Sirius is the main star of Canis Canis, the first bright star behind the sun from the earth, and one of the closest stars to the sun (about 8.6 light years). The original meaning of its name is "burnt", because the summer heat comes after sunrise. The ancient Greeks called summer "dog day", because only dogs would run out like crazy in such hot weather, so this star was also called "dog star". Therefore, this constellation is named Canis major.

Appearance characteristics of big dogs

Canis major is one of the southern constellations. To find Canis Canis, we must first find the famous Orion. Looking southwest from a row of three stars on Orion's belt, you can see 1 the brightest star in the whole day-Sirius, Sirius's constellation, that is, Canis Canis. Canis canis is connected to the sky map in the west and to the ship base in the east and south. Canine constellation is one of the most striking constellations in the southern sky on winter nights. The whole constellation, like a hound, quickly pounced on the rabbit in the west.

Observation characteristics of big dogs

Canis major covers an area of about 380 square degrees. There are 122 stars in the constellation whose visual magnitude is greater than 6, of which 18 stars are greater than 4. Looking southwest from Orion, it is Alpha Canis, also known as Sirius in ancient China, with an apparent magnitude of-1.47, etc. 8.6 light years away. There are 18 stars brighter than 4 in the constellation.