Aquarius, the Water Bearer (Aqr)

(uh-QUAIR-ee-us)

The Southern constellation of Aquarius, the Water Bearer, is best viewed in Fall during the month of October. It's brightest star is Sadalsuud at magnitude 2.90. The boundary of the Aquarius constellation contains 17 stars that host known exoplanets.

1. Pronunciation:
2. uh-QUAIR-ee-us

1. Meaning:
2. Water Bearer

1. Genitive:
2. Aquarii

1. Abbreviation:
2. Aqr

1. Asterism:
2. Water Jar

1. Constellation Family:
2. Zodiacal

1. Hemisphere:
2. Southern

1. Quadrant:
2. SQ4

1. Best viewing month*:
2. October

1. Right Ascension (avg):
2. 22h 42m

1. Declination (avg):
2. -10° 28'

1. Brightest star:
2. Sadalsuud (2.90)

1. Stars with planets:
2. 17

1. Messier catalog objects:
2. M2 | M72 | M73 |

1. Caldwell catalog objects:
2. C55 | C63 |

Brightest Stars in Aquarius

The 10 brightest stars in the constellation Aquarius by magnitude.

1. Star
2. Magnitude
3. Spectral class

1. Beta Aquarii (β Aqr)
2. 2.9
3. G0Ib

1. Alpha Aquarii (α Aqr)
2. 2.95
3. G2Ib

1. Delta Aquarii (δ Aqr)
2. 3.27
3. A3V

1. Zeta Aquarii (ζ¹ Aqr)
2. 3.65
3. F3III-IV

1. 88 Aquarii (88 Aqr)
2. 3.68
3. K1III

1. Lambda Aquarii (λ Aqr)
2. 3.73
3. M2IIIvar

1. Epsilon Aquarii (ε Aqr)
2. 3.78
3. A1V

1. Gamma Aquarii (γ Aqr)
2. 3.86
3. A0V

1. 98 Aquarii (98 Aqr)
2. 3.96
3. K0III

1. Eta Aquarii (η Aqr)
2. 4.04
3. B9IV-Vn

Double Stars in Aquarius

These are the brightest and easiest-to-find double, triple, and quadruple star systems in the constellation Aquarius. Also see all star clusters.

1. Star system
2. Magnitudes
3. Type

1. Zeta Aquarii
2. 4.3, 4.5
3. double

1. 94 Aquarii
2. 5.3, 7.0
3. double

Star Clusters in Aquarius

The most notable and easy-to-find star clusters in the constellation Aquarius . Also see all star clusters.

1. Star cluster
2. Catalog #
3. Cluster type

1. Messier 2
2. M2
3. globular

1. Messier 72
2. M72
3. globular

1. NGC 7492
3. globular

Nebulae in Aquarius

Notable and easy-to-find nebulae in the constellation Aquarius . Also see all nebulae.

1. Nebula name
2. Catalog #
3. Nebula type

1. Helix Nebula
3. planetary

1. Saturn Nebula
2. C55
3. planetary

Galaxies in Aquarius

The most notable, famous, and easy-to-find galaxies in the constellation Aquarius. Also see all galaxies.

1. Galaxy name
2. Alt name
3. Galaxy type

1. Aquarius Dwarf
3. irregular dwarf

1. Atoms-for-Peace
3. peculiar

Milky Way Satellites in Aquarius

Dwarf satellite galaxies that orbit the Milky Way Galaxy located in the constellation Aquarius. Also see all Milky Way satellite galaxies.

1. Galaxy name
2. Alt name
3. Magnitude

1. Aquarius II

Exoplanets in Aquarius

These are the most notable named exoplanet systems known in the constellation Aquarius. Bear in mind that we will likely discover billions of exoplanets in the years to come. Also see all exoplanets.

1. Host star name
3. Exoplanet name

1. Marohu
3. Boinayel

1. TRAPPIST-1
3. TRAPPIST-1d

1. TRAPPIST-1
3. TRAPPIST-1e

1. TRAPPIST-1
3. TRAPPIST-1f

1. TRAPPIST-1
3. TRAPPIST-1g

* For southern latitudes, flip the season listed. For example, if a constellation is listed as best viewed in the summer in the month of July, in the southern hemisphere the constellation would be best viewed in the winter in January and would be upside-down.

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