30 Aquarii

Below the horizon. Rise: 15:59 | Tran: 21:25 | Set: 2:54

Alt: -9.73° Az: 271.93° Direction: West

30 Aquarii is a hypergiant star of spectral class K0 in the constellation of Aquarius.

30 Aquarii visual magnitude is 5.54. Because of its faintness, 30 Aquarii is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 30 Aquarii. The red arrow shows the motion of 30 Aquarii during the next 10000 years (7.50 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 04m 34s

Declination -06° 24’ 06”

Hour Angle 06h 30m 21s

Sidereal Time 04h 34m 55s

J2000

Right Ascension 22h 03m 16s

Declination -06° 31’ 20”

Galactic Coordinates

Galactic Longitude 52.41°

Galactic Latitude -45.11°

Finder Chart

Simplified finder chart for 30 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.54

Class Hypergiant

Absolute magnitude 0.94

Spectral Type K0III

Color Index (B-V) 0.96

Temperature 4841K

The red dot in the diagram below shows where 30 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 30 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

30 Aquarii is distant 271.21 light years from the Sun and it is moving far from the Sun at the speed of 30 kilometers per second.

Distance (parsec) 83.19

Distance (light year) 271.21

Radial Speed 30 km/s

Proper Motion RA 0.045 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Flamsteed designation 30 Aquarii

Henry Draper Catalogue HD209396

SAO Catalogue SAO145836

Hipparcos Catalogue HIP108868

Durchmusterung Catalogue BD-07 5688

Visibility from Your Location

Today's 30 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 96.4° RISE 15:59

Max altitude: 32.1° TRANSIT 21:25

Azimuth: 263.6° SET 2:54

Set Location

Other stars in Aquarius