What is the constellation of February 19?

Pisces (February1September-March 20th).

Pisces is the last sign of the zodiac. It combines the advantages and disadvantages of all constellations, and at the same time, it is influenced by the emotion of water signs, adding a more complicated stroke to their original complex personality.

Pisces crosses the sky on the evening of September 27th every year. The best observation time for Pisces is 165438+2 1 point every year. There are 50 stars in Pisces that are brighter than 5.5, the brightest star is Right Geng Er (Pisces η), and the apparent magnitude is 3.62.

Black holes in constellations

Pisces has a messier objects: M74, which is a spiral galaxy facing the earth, with a bright core and a dark ring cloud on the outer layer. In 2005, astrophysicists at the University of Michigan in the United States first discovered the evidence of a medium-mass black hole in the universe in M74.

The mass of the black hole found in Pisces M74 is equivalent to 10000 suns, and it is the best candidate for medium-mass black holes. Medium-mass black holes may be formed by the merger of dozens or even hundreds of interstellar black holes in high-density nebulae, or they may be the residual cores of small galaxies swallowed up by large galaxies.