30 Capricorni

Below the horizon. Rise: 2:35 | Tran: 6:58 | Set: 11:21

Alt: -17.30° Az: 97.18° Direction: East

30 Capricorni is a giant star of spectral class B8 in the constellation of Capricornus.

30 Capricorni visual magnitude is 5.43. Because of its faintness, 30 Capricorni 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 Capricorni. The red arrow shows the motion of 30 Capricorni during the next 10000 years (2.83 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 21h 19m 22s

Declination -17° 52’ 39”

Hour Angle 17h 37m 49s

Sidereal Time 14h 57m 11s

J2000

Right Ascension 21h 17m 57s

Declination -17° 59’ 07”

Galactic Coordinates

Galactic Longitude 31.73°

Galactic Latitude -40.23°

Finder Chart

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Finder chart for 30 Capricorni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.43

Class Giant

Absolute magnitude -0.82

Spectral Type B8III

Color Index (B-V) -0.12

Temperature 11920K

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

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

Distance, Radial Speed, Proper Motion

30 Capricorni is distant 579.04 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

Distance (parsec) 177.62

Distance (light year) 579.04

Radial Speed -11 km/s

Proper Motion RA 0.017 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Flamsteed designation 30 Capricorni

Henry Draper Catalogue HD202671

SAO Catalogue SAO164286

Hipparcos Catalogue HIP105143

Durchmusterung Catalogue BD-18 5903

Visibility from Your Location

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

Azimuth: 107.9° RISE 2:35

Max altitude: 20.6° TRANSIT 6:58

Azimuth: 252.1° SET 11:21

Set Location

Other stars in Capricornus