15 Cygni

Above the horizon. Rise: 17:44 | Tran: 4:41 | Set: 15:33

Alt: 71.06° Az: 130.94° Direction: South-East

15 Cygni is a giant star of spectral class G7 in the constellation of Cygnus.

15 Cygni visual magnitude is 4.89. Because of its moderate brightness, 15 Cygni is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 15 Cygni. The red arrow shows the motion of 15 Cygni during the next 10000 years (12.50 arcmin in Right Ascension and 5.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 45m 11s

Declination +37° 25’ 00”

Hour Angle 22h 48m 04s

Sidereal Time 18h 33m 16s

J2000

Right Ascension 19h 44m 16s

Declination +37° 21’ 15”

Galactic Coordinates

Galactic Longitude 71.76°

Galactic Latitude 6.6°

Finder Chart

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Finder chart for 15 Cygni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.89

Class Giant

Absolute magnitude 0.23

Spectral Type G7III

Color Index (B-V) 0.95

Temperature 4866K

The red dot in the diagram below shows where 15 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

15 Cygni is distant 278.63 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 85.47

Distance (light year) 278.63

Radial Speed -24 km/s

Proper Motion RA 0.075 arcsec/y

Proper Motion Dec 0.035"/y

Alternative Designations

Flamsteed designation 15 Cygni

Henry Draper Catalogue HD186675

SAO Catalogue SAO68778

Hipparcos Catalogue HIP97118

Durchmusterung Catalogue BD+37 3586

FK5 Catalogue 740

Visibility from Your Location

Today's 15 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 52.6° RISE 17:44

Max altitude: 75.9° TRANSIT 4:41

Azimuth: 307.4° SET 15:33

Set Location

Other stars in Cygnus