Ara (The Altar)
Ara (pronounced ˈɛərə) is the Latin name of a constellation situated south of the celestial equator. As such, it is more easily visible from the southern hemisphere.
In English language this constellation is also known as "The Altar" while in astronomical texts and literature this constellation is often abbreviated as "Ara" (according to the standard of the International Astronomical Union - IAU) or as "Arae" (according to a naming convention used by NASA).
The Latin genitive of the constellation name is "Arae" (pronounced ˈɛəriː) 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 Arae (the brightest star of Ara based on the Bayer catalog); or 23 Arae (the 23th star in the constellation of Ara based on the Flamsteed catalog).
Sky chart of Ara from your location
Here we provide a simplified sky chart of the Ara constellation. Alternatively it is possible to locate Ara in the night sky using our Online Interactive Planetarium.
Visibility of Ara from your location
Ara is currently not visible from Greenwich, United Kingdom [change]
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 these times can have little relevance.
Top bright stars in Ara
The table below lists the top 20 brightest stars in the Ara constellation. See also the complete list of 63 stars brighter than magnitude 6.5 (approximate) in the constellation of Ara. Click on each star to see more details about it.
|HR Number(*)||Star designation||Proper name||Visual magnitude||Color||Notes|
|HR6510||α Arae||2.95||⬤||Variable; Double;|
|HR6451||ι Arae||5.25||⬤||Variable; Double;|
|...go to the complete list of 63 bright stars in the constellation of Ara|
(*) HR stands for Harvard Revised Bright Star Catalogue, which is also known as the Yale Catalogue of Bright Stars.
Top deep sky objects in Ara
The table below lists the 20 brightest deep sky objects in the Ara constellation. See also the complete list of 31 deep sky objects in the constellation of Ara. The list includes objects from the Messier, New General Catalogue (NGC) and Index Catalogue (IC).