Universe Guide

Grus, The Crane Constellation

Grus Constellation Star Map

Grus (Pronounciation:Grus, Abbrev:Gru, Latin:Gruis) is a constellation, one of 88 constellations that the night sky is divided into. The sky is not divided up equally between the constellations. Grus takes up 365.513 sq. degrees of the night sky which equates to 0.89% of the night sky. Grus is the 45th largest in terms of size in the night sky.

The constellation name means The Crane . It was not one of the original constellations that had been devised by Ptolemy, instead it was created by Pieter Dirkszoon Keyser and Frederick de Houtman years later.

There are 7 stars that make up the main constellation. The hipparcos satellite scanned and detailed 1195 stars. There are 39 stars that can be seen with the naked eye in the constellation on a very clear night sky.

Grus is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Grus is a southern hemispheric constellation which means it can't be seen easily or at all from the northern hemisphere.

There are 10 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site. There is a dedicated page for exoplanets in Grus.

There are no deep space objects that were identified by Charles Messier in this constellation. There are no non-Messier deep space objects in this constellation that are covered at present on this site.

The image at the top right of this page was generated using Night Vision, a free to use and download application by Brian Simspon.

Distance to Grus

You can't just go to one location and arrive at the constellation because the constellation is made up of stars at different locations and different distances. The nearest main star in the constellation is at a distance of 101.01 light years and the furthest main star is a distance of 309.45 light years. The average distance to the main stars is 187.30 light years.

Grus Star Facts

The caveat of these stars are that they are catalogued on this site. If you know of a star that is nearer or further then do let me know in the comments and I'll add it to the site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status.

Gliese 832, Grus's Nearest Star

The nearest star to Earth is Gliese 832 which is roughly about 16.16 Light Years from the Earth. Gliese 832 is also the nearest star in the constellation of Grus with at least one orbiting exoplanet.

HIP 111026, Grus's Furthest Star

The furthest star that is located in the constellation is HIP 111026 and it is 163081.7 light years away from the Sun. The furthest figure is derived from either the 1997 or 2007 Hipparcos star catalogue parallax figure and it has been known to produce distances that are wrong.

Al Nair, Brightest Star in Grus

The brightest star in Grus is Al Nair and is located about 105.32 light years from the Sun. The star has a apparent magnitude of 1.73 but an absolute magnitude of -0.72 when the star is viewed from a distance of 10 Parsecs or 32.6 Light Years. The star is recognised as being the brightest in the constellation as it has the Bayer status of Alpha.

HD 214953, Grus's Dimmest Visible Star

The dimmest star that can be seen in Grus with the naked eye is HD 214953. The dim star has an apparent magnitude of 5.99. The dimmest star that a person is able to see with their naked eye is 6.0 magnitude based on the table in the reference. Ref: University of Michigan.

Grus Mythology

There is no Greek Legend behind this constellation. It was created by Pieter Dirkszoon Keyser and Frederick de Houtman to fill in the voids in the astronomical charts.

Grus Facts

Is a Zodiac Sign No
Brightest StarAl Nair
Area365.513 sq. deg.
Percentage of Night Sky0.89%
Size Position45th
Hemisphere Southern
Site Exoplanet Count10
Meteor Shower Count1
Nearest StarGliese 832
Nearest Star with Exoplanet(s)Gliese 832
Brightest StarAl Nair
Dimmest StarHD 214953
Furthest StarHIP 111026
Bright Star Count39
Hipparcos Star Count1195
Main Star Count7
Messier Deep Space Object Count0
Bordering / Neighbouring / Surrounding ConstellationsPiscis Austrinus

*Note: The number of Non-Messier Deep Space Object Count relates to how many are covered on this site not how many there are.

List of Deep Space Objects (Galaxies, Nebulas, Supernovas, etc) in Grus

NameTypeDistanceDeclinationRight Ascension
IC 5201Barred Spiral Galaxy40,000,000-46:2:2.1622h 20h 59m 18
NGC 7087Spiral Galaxy-40 49 07.1421 34 33m 479
NGC 7097Elliptical Galaxy-42 32 21.8121 40 12m 883
NGC 7107Barred Spiral Galaxy-44 47 25.021 42 26m 48
NGC 7117Elliptical Galaxy-48 25 13.54484818421 45 47m 0532958118
NGC 7297Spiral Galaxy-37 49 35.22216928822 31 10m 3156778853
NGC 7307Spiral Galaxy-40 55 58.15479811022 33 52m 5315852219
NGC 7531Spiral Galaxy-43 35 59.46676944823 14 48m 4568956520
NGC 7545Irregular Galaxy-38 32 08.2223 15 32m 095
NGC 7552Barred Spiral Galaxy-42 35 05.3923 16 10m 767
NGC 7582Barred Spiral Galaxy-42 22 14.0623 18 23m 621
NGC 7590Spiral Galaxy-42 14 20.6423 18 54m 836
NGC 7599Barred Spiral Galaxy-42 15 24.6223 19 21m 145
NGC 7632Spiral Galaxy-42 28 49.88477465823 22 00m 8942116185
NGC 7658Spiral Galaxy-39 12 57.48315616623 26 24m 6836118869
NGC7476Galaxy-43 05 57.7423 05 11m 873

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