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🌎 Location: Greenwich, United Kingdom [change]

Cetus (The Sea Monster) Constellation

Cetus (pronounced ˈsiːtəs) is the Latin name of a large constellation (in fact it extends itself for about 59 degrees across the sky) situated close to the celestial equator. As such, it is at least partly visible from both hemispheres in certain times of the year.

In English language this constellation is also known as "The Sea monster" while in astronomical texts and literature this constellation is often abbreviated as "Cet" (according to the standard of the International Astronomical Union - IAU) or as "Ceti" (according to a naming convention used by NASA).

The Latin genitive of the constellation name is "Ceti" (pronounced ˈsiːtaɪ) and it is used to identify some of the brightest stars in this constellation based on the Bayer or Flamsteed star naming convention. For instance: α Ceti (the brightest star of Cetus based on the Bayer catalog); or 23 Ceti (the 23th star in the constellation of Cetus based on the Flamsteed catalog).

Cetus is below the horizon from Greenwich, United Kingdom [change].
Available Resources for Cetus

Sky Chart of Cetus Constellation

Here we provide a simplified sky chart of the Cetus constellation. Alternatively it is possible to locate Cetus in the night sky using our Online Interactive Planetarium.

Chart of  constellation
This constellation image is derivatve work based on original work by IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) CC-BY-3.0.

Visibility of Cetus Constellation

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's Cetus rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.4°
Max altitude: 30.1°
Azimuth: 261.6°
Cetus is below the horizon from Greenwich, United Kingdom

The rise and set times provided here are just directional indications and they refer to a point approximately placed at the center of the constellation. In case of very large constellations (like Cetus actually is) these times can have little relevance.

Bright Stars in Cetus Constellation

The table below lists the top 20 brightest stars in the Cetus constellation. See also the complete list of 174 stars brighter than magnitude 6.5 (approximate) in the constellation of Cetus. Click on each star to see more details about it.

HR Number(*) Star designation Proper name Visual magnitude Color Notes
HR188 β Ceti Diphda 2.04 Variable;
HR911 α Ceti Menkar 2.53 Variable;
HR681 ο Ceti Mira 3.04 Variable; Multiple;
HR334 η Ceti 3.45 Double;
HR804 γ Ceti Kaffaljidhma 3.47 Multiple;
HR509 τ Ceti 3.5 Double;
HR74 ι Ceti 3.56 Variable; Multiple;
HR402 θ Ceti 3.6 Double;
HR539 ζ Ceti Baten Kaitos 3.73 Variable; Double;
HR585 υ Ceti 4
HR779 δ Ceti 4.07 Variable;
HR811 π Ceti 4.25
HR813 μ Ceti 4.27 Variable; Double;
HR718 ξ2 Ceti 4.28
HR649 ξ1 Ceti 4.37 Variable;
HR48 7 Ceti 4.44 Variable;
HR9098 2 Ceti 4.55
HR531 χ Ceti 4.67 Double;
HR896 λ Ceti 4.7
HR740 σ Ceti 4.75
...go to the complete list of 174 bright stars in the constellation of Cetus

(*) HR stands for Harvard Revised Bright Star Catalogue, which is also known as the Yale Catalogue of Bright Stars.

Deep Sky Objects in Cetus Constellation

The table below lists the 20 brightest deep sky objects in the Cetus constellation. See also the complete list of 647 deep sky objects in the constellation of Cetus. The list includes objects from the Messier, New General Catalogue (NGC) and Index Catalogue (IC).

Name Type Magnitude
Messier 77 (Cetus A) Galaxy 8.87 (V)
NGC 247 Galaxy 9.1 (V)
IC 127 Galaxy 9.2 (V)
IC 1613 Galaxy 10.01 (V)
NGC 908 Galaxy 10.18 (V)
NGC 1052 Galaxy 10.47 (V)
NGC 584 Galaxy 10.48 (V)
NGC 1055 Galaxy 10.59 (V)
NGC 45 Galaxy 10.73 (V)
NGC 246 Planetary Nebula 10.9 (V)
NGC 578 Galaxy 10.93 (V)
NGC 942 Galaxy 11 (B)
NGC 943 Galaxy 11 (B)
NGC 1042 Galaxy 11.02 (V)
NGC 936 Galaxy 11.1 (B)
NGC 1073 Galaxy 11.3 (B)
NGC 1022 Galaxy 11.34 (V)
NGC 839 Galaxy 11.42 (V)
...go to the complete list of 647 deep sky objects in the constellation of Cetus