Capricornus – Derekscope

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Abbreviation: Cap

English Name: The Sea Goat

Genitive: Alpheratz

Hemisphere: Northern / Southern Hemisphere (Underlined means the more area in square feet in Southern Hemisphere.)

Location: Between the constellations of Aquarius and Sagittarius.

Visible between latitudes: +85 and -75 degrees

Best season: Late Summer / Early Autumn

Seen in three seasons: Summer & Autumn

Best seen in: September (map) and October (map)

Seen between: August and October

Right Ascension (RA): 21 hour

Declination (DEC): -20 degrees

Area (square degrees): 414 (40th)

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Capricornus (The Sea Goat)

A large constellation of the Northern Hemisphere, adjoining the Square of Pegasus (The Winged Horse).
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The main stars lie in a line leading away from Pegasus, and the star Alpha Andromedae (Sirrah or Alpheratz, mag 2.1) actually forms one corner of the Square.
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The most famous object in the constellation is the Andromeda Galaxy (Messier 31).

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Messier Objects in Capricornus

M30 – Globular Cluster, it’s magnitude +7.5; easily spotted with binoculars.

Other objects in Capricornus

Features of Interest in Capricornus

Algedi star; a wide double star. Ordinary binoculars or good eyesight, reveal two stars of magnitudes +3.6 and +4.3; both are yellowish in colour.

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Named Stars

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Planetarium / Constellation Map

Live constellation visible
from the UK :- Planetarium (Capricornus)

Best Seen in:
September (map) and October (map)

Seen between:
August and October

IAU Sky Chart: Capricornus

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Go To

Constellations – Visible from the UK

(50 constellations above are visible from the United Kingdom.)

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Parts visible from the UK

(11 constellations above are partially visible from the United Kingdom.)

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Constellations: Southern Celestial Hemisphere
…..– never seen from the UK

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Back to …Constellation Names

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