Dolphin constellation in the sky



Despite its small size, the constellation Dolphin is easy to see the starry sky.The best conditions for his observations on the territory of Russia are in June and August.Summer evening should stand facing the south, find the Northern Cross constellation Cygnus, it is clearly visible against the background of the Milky Way.To his left is located inconspicuous constellation of Vulpecula, which borders with dolphins, south-west - Eagle, east - a square of Pegasus.

star chain extending from the lower right corner of the square of Pegasus, will lead to the constellation of the Dolphin.It belongs to the family of water, which also includes: Sail, Dove, Forage, Compass, Eridanus, Kiel, Small Horse and Southern Fish.With it borders such as the Eagle constellation, Pe
gasus, Boom and Chanterelle.

most notable stars



The brightest stars of the constellation Dolphin, its alpha and beta, are named - and Sualokin Rotan.In fact, they contain few stars, the first of them - five, and the second - seven.At the tip of the nose dolphin is a double star Gamma, its main component is a yellow-white dwarf, and additional - Orange subgiant.It is located at a distance of 101 light years from Earth.

Delta constellation Dolphin is a double star, its the same components are very close to each other, for this reason it is difficult to discern without a telescope.The two metal-rich stars are subgiants first class, from the earth to them, about 207 light-years.Epsilon Dolphin - blue-white giant, located at a distance of 358 light years from Earth.This star is Deneb Arabic name, which means "tail of a dolphin."

celestial objects



Among the most notable constellation of celestial objects can be noted a small bluish planetary nebula NGC 6891, bright globular cluster NGC 6934, which lies in a region close to the Dolphin epsilon, and also known as NGC 6905 - gliding blue nebula.

Also in this constellation can be found bright globular cluster NGC 7006 circular shape, it is located near the Dolphin range and is located on the far outskirts of the Milky Way at a distance of about 135 thousand light-years from Earth.This almost spherical region consists of dark matter, gas and remote from each other star clusters, it is surrounded by relatively flat spiral disc.