Hydrus

Tuesday 19 September 2017 - 20:40:22 Posted by  Bobby
hydrus2

 Invention of Hydrus

Hydrus is a constellation of the far-southern skies invented in the late 16th century by the Dutch navigators Pieter Dirkszoon Keyser and Frederick de Houtman. Lying between the bright star Achernar and the south celestial pole, it depicts a small water-snake. Hydra, known since the time of the ancient Greeks. The constellation's brightest star is Beta Hydri, magnitude 2.8.

 The Facts

  • Depiction: The Lesser Water Snake
  • Pronounced: HY-drus
  • Genitive: Hydri
  • Abbreviation: Hyi
  • Highest in the Sky: October to December
  • Size Ranking: 61st
  • Coverage Area: 243 Sq. Degrees
  • Right Acension: 2 hours
  • Declination: -75°
  • Visibility: 8°N to 90°S

 Notable Objects

  • h4375: Binary star
  • NGC 1511: Galaxy

 Best Viewed Objects/Stars

Pi Hydri

 A wide pair of unrelated stars, easy to divide through binoculars. Both are red giants. Pi-1 is of magnitude 5.6 and lies about 740 light-years away; Pi-2, magnitude 5.7, is about 470 light-years away.
Hydrus
hydrus

 Where to?

Back To List 

Up Next- Indus 

Comments

Rating


0/5 : Not rated

Share this

Welcome


Username or Email:

Password:




[ ]
[ ]
[ ]

Facebook