Corona Australis

Tuesday 19 September 2017 - 08:20:38 Posted by  Bobby
coronaaustralis2

 Mythology of Corona Australis

Corona Australis. The ancient Greeks visualized this small but pretty constellation as a wreath lying at the forefeet of Sagittarius. Its main feature is an arc of stars, distinctive even though the brightest is of only 4th magnitude.

 The Facts

  • Depiction: The Southern Crown
  • Pronounced: kor-OH-nah- os-TRAH-lis
  • Genitive: Coronae Australis
  • Abbreviation: CrA
  • Highest in the Sky: July to August
  • Size Ranking: 80th
  • Coverage Area: 128 Sq. Degrees
  • Right Acension: 19 hours
  • Declination: -40°
  • Visibility: 42°N to 90°S

 Notable Objects

  • Bernes 157: Reflection nebula
  • Brisbane 14: Double star
  • IC 1297: Planetary nebula
  • IC 4812: Double star
  • NGC 6541: Globular cluster
  • NGC 6726: Reflection nebula
  • NGC 6729: Emission Nebula

 Named Stars

  • Alfecca Meridiana, Alpha Coronae Australis

 Best Viewed Objects/Stars

Gamma Coronae Australis

 A close binary, divisible through a telescope with a moderate-sized aperture. The stars, both of 5th magnitude, orbit each other every 122 years. They lie 58 light-years away.

Kappa Coronae Australis

 A double star, with components of magnitudes 5.7 and 6.3, easily divided with a small telescope.

NGC 6541

 A globular cluster, visible with a small telescope, or even binoculars. It covers an area about one-third the apparent size of the full Moon.

Corona Australis
coronaaustralis

 Where to?

Back To List 

Up Next- Corona Borealis 

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