The Sea Goat

Abbreviation: Cap
Genitive: Capricorni

The constellation of Capricornus

Capricornus is a member of the zodiac. This is one of the most ancient of constellations, harking back to Babylonia and before. The planet Neptune was discovered near the star δ Cap on 23 September 1846.

Notable Features

Designation Name Description
α2 Cap Algedi Algedi is a wide double star that is easily visible through binoculars.
β Cap Dabih Dabih is another wide double star.
γ Cap Nashira
δ Cap Deneb Algedi Contrary to expectation, this star is the brightest one in the constellation. The name of the star is not officially recognised by the IAU.
M30 This globular cluster is easily seen but not resolved into stars with binoculars or a small telescope.