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What is a constellation? A constellation is a group of stars that have been given named because they form a certain picture in the sky. There are 88 constellations and 12 Zodiac Constellation. There are many constellations in the » Constellation Zodiac #1427

Orion Nebulae Orion Nebula The Orion Nebula is the nearest star formation region to the Earth and consequently particularly well studied. Despite this, star formation is not all that Orion Nebula Wikipedia, the free encyclopedia The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula situated south [b] of Orion's Belt. It is one of the brightest nebulae, Nebula Wikipedia, the free encyclopedia Nebulae often form starforming regions, such as in the Eagle Nebula. . Eagle Nebula -Eta Carinae Nebula -Orion Nebula » Orion Nebulae #344

Hercule (constellation) Un article de Wikipédia, l'encyclopédie libre. Aller à : Navigation, Rechercher Pour les articles homonymes, voir Hercule.  » Hercules constellation #248

Hyades star cluster The Hyades ÆΥάδε&sigmafalso known as Melotte 25 or Collinder 50 or Caldwell 41 is an open star cluster located in the constellation Taurus. Open cluster The nearest open cluster is the Hyadesthe stellar association consisting of most of the Plough stars is at about half the distance of the Hyades, Hyades Star Clusters Digital Images of the Sky The scattered group of stars in the central part of the image is the Open Star C » Hyades star cluster #245

Les Pléiades, un bel Amas dans le ciel d'Automne   L'amas ouvert des Pléiades, visible dans la constellation du Taureau (Ares), est l'un des objets célestes les plus célèbres et des plus appréciés des astrophotographes. Observées depuis la plus haute Antiquité, les étoiles principales de cet amas sont visibles à l'œil nu dans le ciel d'automne.   » Pleaiades occultation #196

The Pleiades are an open cluster dominated by hot blue stars surrounded by reflection nebulosity The Pleiades (Ple.ia.des |ˈplēədēz) - also known as » M45 pleiades star cluster #159

Nébuleuse de la Tête de Cheval » Horsehead nebulae #158

Orion (constellation) » Orion encyclopedie #157

Barnard's Loop is a large shell or ring of interstellar gas. It is so large in the sky that if you held out your arm to its full length your hand couldn't cover the full nebula. The shell is expanding at 50 miles/sec (yup... miles/sec, not miles/hr) and its center is located near the Orion Nebula. The shell gl » Orion Map #152

M78 is not difficult to locate from Zeta Orionis, also named Alnitak, the easternmost star of Orion's BeltM78 is situated about 2 degrees north and 1 1/2 degrees east of this stara chain of 3 stars of mag 5..6, northward from Zeta, may help locating it. Alternatively, it is found roughly 1/2 deg North and 3 3/4 deg East of Delta Orionis, the NW most » M78 Orion Nebulae #151

M 42 Nébuleuse diffuse M42 (NGC 1976), une nébuleuse en émission et par réflexion, dans Orion Découverte en 1610 par Nicolas Claude Fabri de Peiresc. Située à une distance de 1 600 (ou 1 500) années-lumière, la nébuleuse d'Orion est la plus brillante nébuleuse diffuse dans le ciel, visible à l'oeil nu, et gratifiante dans tous les instruments, des plus petites jumelles » M42 Orion Nebulae #150

Orion Abbreviation: Ori English name: Orion Coordinates see Stellar data Particulars: Nebulae M 42 (Large Orion Nebula), M 43 (De Mairan Nebula), M 78 Binaries beta Ori, delta Ori, zeta Ori, eta Ori, theta1 Ori, theta2 Ori, iota Ori, lambda Ori, Struve 7 » Orion Constellation #149