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Octans Constellation
Constellation Octans the Octant Star Map

Octans, the Octant (Oct)


The Southern constellation of Octans, the Octant, is best viewed in Fall during the month of October.

Octans is the 50th largest constellation. It's brightest star is at magnitude 2.00. The boundary of the Octans constellation contains stars that host known exoplanets.

Octans is a circumpolar constellation, so is visible year-round in the Southern hemisphere. Conversely, it is not visible in the opposite hemisphere.

      1. Pronunciation:
      2. OCK-tanz
      1. Meaning:
      2. Octant
      1. Genitive:
      2. Octantis
      1. Abbreviation:
      2. Oct
      1. Constellation Family:
      2. LaCaille
      1. Hemisphere:
      2. Southern
      1. Quadrant:
      2. SQ4
      1. Visibility:
      2. 0° - 90° S
      1. Best viewing month*:
      2. October
      1. Area:
      2. 291 sq. degrees
      1. Size:
      2. 50th largest
      1. Circumpolar** (N=northern, S=southern):
      2. S circumpolar
      1. Right Ascension (avg):
      2. 22h 10m
      1. Declination (avg):
      2. -82°

    Brightest Stars in Octans

    The 10 brightest stars in the constellation Octans by magnitude.

        1. Star
        2. Magnitude
        3. Spectral class

      Galaxies in Octans

      The most notable galaxies in the constellation Octans. Also see all galaxies.

          1. Name
          2. Alt name
          3. Type

        * Constellation shown for northen hemisphere skies. For the southern hemisphere, constellations appear rotated 180 degrees (upside-down and left-right reversed) from what is shown. Remember that seasons are reversed too - summer in northern latitudes is winter in southern latitudes.

        ** Circumpolar constellations are visible year-round in the hemisphere listed (and not at all in the opposite hemisphere).