Orion subject by and lodge four and reference lodge seven on four brilliant star form a big square. In central three star quadrilateral lined up in a straight line for the bright stars, the idea is the hunter waist belt, another in the three stars below, and three tiny star, they are hanging on their girdles sword. The whole image is like a valiant stand erect, the hunter, bosom, spectacular.
Orion best observation date for early December to April. Appear from southeast rises, the zenith after falling by southwest. Orion alpha and beta very bright, in general cloudless sky can easily see, but because winter night sky bright stars quite a lot to identify Orion must also other star subsidies.
The following is 30 degrees north latitude area in different time of night 21 when observed Orion orientation
December 1st southeast east at 20-45
On January 1, at about 45-70 zenith partial southeast
On February 1, 60-90 zenith at south
On March 1 at 40-65 southwest west
April 1 8pm 30-55 southwest west
Orion is also a meteor shower and position in ζ star and alpha star attachment northward extension double place. Its occurrence date is the annual October 17th to October 25, the stage is 21 October 17 October, in addition to 18 times jisheng is worth attention. It is also caused by Halley's comet.