Tmall, a constellation that is hard to see.

Tmall constellation belongs to one of the northern constellations. Because all constellations are dark stars, it is named "Tmall Constellation", which means that only people with keen eyesight like bobcats can see this dim constellation.

The star naming of Tmall constellation is different from other constellations. Except the brightest star, all the stars in the Tmall constellation are marked with numbers, not Greek letters (Bayer nomenclature).

1. Tmall location: Auriga East, Little Lion West.

2. The brightest star in the Tmall constellation: α in the Tmall constellation, namely Xuanyuan IV, with an apparent magnitude of only 3. 14.

Third, the bright star of Tmall constellation: Tmall constellation 38, namely Xuanyuan III, apparent star, etc. 3.82.

NGC24 19: This globular cluster is located in the intergalactic space outside the Milky Way, 300,000 light years away from the Earth.

5. Bear claw galaxy: A fuzzy galaxy presents the shape of a bear claw, hence the name Bear claw galaxy.

6. Tmall Arc: The Tmall Arc was discovered in 2003 and became the hottest star birth area in the universe. Its equatorial coordinate position is 08H48M48.76s+4455' 49.6 ".

It is 65.438+0.2 billion light years away from the Earth, 8 million times farther than the Orion Nebula and 65.438+0 million times brighter. It has 654.38+0 million blue stars, while the Orion Nebula has only four.

Tmall arc is hard to see with the naked eye.