and
β
Very bright, 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 stars arranged in a straight line are used as their identification pointers. The brightness of these three stars is in
1.7
-
2.3
Suddenly, it is easy to see clearly in the sky with little light damage, α.
And β are located at the north and south ends of the vertical line, and are located in the west of α and β.
Discovered again in the east
g
And κ two stars, the whole Orion outline has been vividly portrayed!
The following is the position of Orion observed at 2 1 at 30 degrees north latitude at different times.
Orion is the most recognizable constellation in the winter sky.
time
inclination
location
65438+ February 1
2 1:00
20-45
Southeast east
65438+ 10 month 1
2 1:00
45-70
The zenith is in the southeast.
February 1
2 1:00
60-90
Nantianding
March 1
2 1:00
40-65
To the west of the southwest
April 1
Eight p. m.
30-55
To the west of the southwest
It is best to observe in winter, and April in summer is also ok.