Eighty-eight constellations: introduction to rectangular ruler

The rectangular ruler is located in the north of the South Triangle, between the Temple of Heaven and the wolves. Sagittarius, Scorpio, Wolf and Centauri are the directions of the galactic core, and a dark belt formed by interstellar dust in the galactic plane blocks the starlight of the galactic core. Rectangular ruler seat Rectangular ruler seat is located in the north of the South Triangle, between the Temple of Heaven and wolves. Sagittarius, Scorpio, Wolf and Centauri are the directions of the galactic core, and a dark belt formed by interstellar dust in the galactic plane blocks the starlight of the galactic core. This dark band just passes through the rectangular ruler, so as long as you see this dark band in the galaxy, you will find the rectangular ruler. Constellation celestial body name description: rectangular scale Latin name: Norma Latin abbreviation: Nor symbol: T-shaped rectangular scale right ascension: 16.05h declination: -52.0 1 Regional ranking: No.74th brightest star: 0 brightest star: rectangular scale gamma meteor shower: adjacent constellation of rectangular scale gamma meteor shower: best observation time of astronomical observatory: best observation latitude in June: magnitude of the brightest star between+30 and-90: 4.0 full visual area: 29° n-90° s The constellation was originally called carpenter's square and water gauge, also called surveyor's level. A dark band formed by an interstellar dust cloud in the plane of the Milky Way blocked the starlight at the core of the Milky Way and found the square ruler.