Leo is a magnificent constellation in the night sky in spring. It is one of the zodiac signs of 12, located between Virgo and Cancer. The area of Leo is about 947 square degrees, accounting for 2.3% of the total area of the whole day, ranking 12 among the 88 constellations in the whole day. There are 52 stars with Leo brightness greater than 5.5, the brightest star is Xuanyuan XIV (Leo α), and the apparent magnitude is 1.35. On the night of March 1 every year, Leo center passes through the transit.
Leo is a bright constellation, which is easy to recognize in the spring sky. Among them, Xuanyuan XIV (Leo α), Xuanyuan XIII (Leo η), algie Ba (Leo γ), Xuanyuan XI (Leo ζ), Xuanyuan X (Leo μ) and Xuanyuan IX (Leo ε) form a sickle (or inverted question mark) structure from south to north, representing the head, neck and mane of the lion.