Constellation knowledge, knowledge about coronation?

In astrological knowledge, there are many kinds of constellations, among which we are familiar with twelve constellations, four constellations and eighty-eight constellations. Today, let's learn about the knowledge of "Nanmian", one of the 88 constellations, and take a look with the constellation knowledge.

Introduction to the name of the Southern Corona Celestial Body: Latin name of the Southern CoronaAustrina, Latin abbreviation: CrA symbol: Southern Corona Right ascension: 19h declination: -40 area: 127.69 area ranking: No.80 bright star number: 0 brightest star: Southern Corona α meteor shower: Southern Corona β meteor shower adjacent constellation:. The best observation time of the telescope base: the best observation latitude in August: the brightest star between+40 and-90, the apparent magnitude: 4. 1, the total visible area: 44° N-90° S, the corona, 88 modern constellations, one of the 48 constellations defined by Ptolemy, and one of the southern constellations. The area is 127.69 square degrees, accounting for 0.3 10% of the whole day area. There are 2/kloc-0 stars brighter than 5.5 in the southern corona, and the center of the southern corona passes through the transit on June 30 every year. This constellation is close to-40 declination, which is hard to see in northern China. Nanmian is in the far south and faces Beimian across the river the next day. The adjacent constellations of the corona include Sagittarius, Scorpio, Aquarius and Telescope, with a width of about 20 degrees and a depth of about 10 degrees. Observation time.

The main feature of the Southern Corona is that eight stars are arranged in an arc semicircle. Although there are only four brightest stars, they are quite conspicuous.

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