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Discussing the location of the Orion Nebula, what is seen within the star-formation region, and the effects of interstellar winds in shaping the nebula The constellation of Orion with the Orion Nebula (lower middle) The Orion Nebula is visible with the naked eye even from areas affected by light pollution. It is seen as the middle "star" in the ...
The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta 1 Orionis (θ 1 Orionis), is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On 4 February 1617 he sketched three of the stars (A, C and D), but missed the surrounding ...
The NGC Project (working from the original descriptive notes) assigns NGC 2174 to the prominent knot at J2000 06 h 09 m 23.7 s, +20° 39′ 34″ and NGC 2175 to the entire nebula, and by extension to the star cluster. [2] Simbad uses NGC 2174 for the nebula and NGC 2175 for the star cluster. [3] [4] NGC 2175, LRGBHa image with 17" PlaneWave ...
NGC 1981 (also known as OCL 525) is an open cluster which is located in the constellation Orion. It was discovered by John Herschel on 4 January 1827. Its apparent magnitude is 4.2 [3] and its size is 28.00 arc minutes. It lies to the north of the Orion Nebula, separated from it by the Sh2-279 region containing NGC 1973, 1975, and 1977.
Map showing the location of NGC 2169. NGC 2169 is an open cluster in the Orion constellation. It was possibly discovered by Giovanni Batista Hodierna before 1654 and discovered by William Herschel on October 15, 1784. [1] NGC 2169 is at a distance of about 3,600 light years away from Earth.
The three stars of θ 2 Orionis within the Orion Nebula. θ 2 Orionis consists of three stars in a line, each about an arc-minute from the next. In addition to the well-known three stars, the Washington Double Star Catalog confusingly lists a component D which is actually θ 1 Orionis C. [16] There is one other star brighter than 10th magnitude ...
NGC 2174 (also known as Monkey Head Nebula) is an H II [1] emission nebula located in the constellation Orion and is associated with the open star cluster NGC 2175. [1] It was discovered on 6 February 1877 by French astronomer Édouard Stephan. [2] It is thought to be located about 6,400 light-years away from Earth.
The Orion Nebula M42 with NGC 1980 on the right (right is south) NGC 1980 (also known as OCL 529, Collinder 72 and The Lost Jewel of Orion [6]) is a young open cluster associated with an emission nebula in the constellation Orion. It was discovered by William Herschel on 31 January 1786. [7]