Constellations of Northern Hemisphere

Constellation Dolphin (Delphinus - Del)

Constellation Dolphin (Delphinus - Del)

If in the middle of summer we make observations of the starry sky, it is not difficult to come across three very small constellations, two of which are really right and which, once recognized, are very difficult to forget. Through the Stellarium website, […]

The constellation of the Swan (Cygnus - Cyg)

The constellation of the Swan (Cygnus - Cyg)

Introduction I was talking about the Milky Way: already from the picture of Stellarium you can see that our swan with its wings spread out seems to fly along this whitish, milky river. And from the photo you can notice that parallel to the body of the […]

The Constellation Centaur (Centaurus-Cen)

The Constellation Centaur (Centaurus-Cen)

The name, the history, the myth For the Greek mythographers this constellation represented the most illustrious of the centaurs, Chiron, illegitimate son of Cronus (Saturn) and Filyra, a nymph of the sea. The centaurs, creatures […]

The constellation Eagle (Aquila-Aql)

The constellation Eagle (Aquila-Aql)

The name, the history, the myth The Eagle is an ancient constellation and as such has a very strong mythological history. This constellation has Mesopotamian origins and appears in the most ancient maps, represented as an eagle on a stone relief dated around […]

The constellation Hydra (Hydra-Hya)

The constellation Hydra (Hydra-Hya)

The name, the story, the myth The two small constellations on the back of the Hydra, the Cup and the Crow, lead to distinguish different parts in the water snake, something that already the ancient mythographers have frequently done. The astronomer John Flamsteed […]

The constellation of the Whale (Cetus-Cet)

The constellation of the Whale (Cetus-Cet)

The name, the history, the myth Mythologically, the Whale is not the peaceful and enormous animal we all know but the monster sent by Poseidon to punish the vanity of Queen Cassiopeia, who boasted of having a daughter, Andromeda, more beautiful than any […]

The constellation Eridian (Eridanus-Eri)

The constellation Eridian (Eridanus-Eri)

The name, the history, the myth The shape of the constellation Eridanus, the longest in declination of the whole sky, recalls the course of a river full of bends. The stars of this constellation have been associated to various […]

The constellation Snake

The constellation Snake

The name, the story, the myth The constellation of Serpent is mythologically linked to that of Ophiuchus which crosses it. Wrapped to Ophiuchus, meant as the one who holds the serpent and for this reason also known as Serpentarius, is the god of the medical […]

The constellation Unicorn (Monoceros-Mon)

The constellation Unicorn (Monoceros-Mon)

The name, the story, the myth The constellation of the Unicorn was introduced by Jakob Bartschius, or Bartsch, son-in-law of Kepler, in 1624 although some believe that Plancius already introduced it in 1613 with the intention […]

The constellation Orion (Orion-Ori)

The constellation Orion (Orion-Ori)

The name, the story, the myth Orion, giant, beautiful and strong, is the son of the sea god Poseidon (he also gave him the gift of walking on water) and is known for his character as a skilled hunter, to the point that he himself declared himself capable […]