Tuesday 19 September 2017 - 21:59:00 Posted by  Bobby

 Mythology of Triangulum

Triangulum is a small constellation that can be found between Andromeda and Aries. It was known to the ancient Greeks, many of whom visualized it as the Nile delta, while for others it represented the island of Sicily. Its brightest star is Beta Trianguli, magnitude 3.0.

 The Facts

  • Depiction: The Triangle
  • Pronounced: tri-ANG-you-lum
  • Genitive: Trianguli
  • Abbreviation: Tri
  • Highest in the Sky: November to December
  • Size Ranking: 78th
  • Coverage Area: 132 Sq. Degrees
  • Right Acension: 2 hours
  • Declination: 30°
  • Visibility: 90°N to 52°S

 Notable Objects

  • Iota Triangulii: Double star
  • M33: Triangulum Galaxy
  • NGC 604: Emission nebula

 Named Stars

  • Mothallah, Alpha Triangulii

 Best Viewed Objects/Stars

6 Triangulii

 A binary star. A small telescope is needed to divide the 5th-magnitude primary from its close 7th-magnitude companion.


 A spiral galaxy about 2.7 million light-years away and third largest member of the Local Group of galaxies. It covers about the same area of sky as the full Moon. Because its light is so spread out, a clear, dark sky is needed to see it. Under good conditions, this galaxy can be detected through binoculars or a small telescope.

 Where to?

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Up Next- Triangulum Australe 



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