28 Cygni

Below the horizon. Rise: 19:06 | Tran: 5:49 | Set: 16:28

Alt: -1.09° Az: 8.67° Direction: North

28 Cygni is a variable main-sequence star of spectral class B2 in the constellation of Cygnus.

28 Cygni visual magnitude is 4.93. Because of its moderate brightness, 28 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 28 Cygni. The red arrow shows the motion of 28 Cygni during the next 10000 years (0.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 10m 22s

Declination +36° 54’ 55”

Hour Angle 12h 43m 29s

Sidereal Time 08h 53m 51s

J2000

Right Ascension 20h 09m 25s

Declination +36° 50’ 22”

Galactic Coordinates

Galactic Longitude 73.91°

Galactic Latitude 2.04°

Finder Chart

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Finder chart for 28 Cygni.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.93

Class Main-sequence

Absolute magnitude -2.18

Spectral Type B2V

Color Index (B-V) -0.13

Temperature 12103K

The red dot in the diagram below shows where 28 Cygni is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 28 Cygni. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

28 Cygni is distant 860.16 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 263.85

Distance (light year) 860.16

Radial Speed -14 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec 0.014"/y

Alternative Designations

Flamsteed designation 28 Cygni

Henry Draper Catalogue HD191610

SAO Catalogue SAO69518

Hipparcos Catalogue HIP99303

Durchmusterung Catalogue BD+36 3907

FK5 Catalogue 1525

General Catalogue of Variable Stars V1624 Cyg

Visibility from Your Location

Today's 28 Cygni rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.1° RISE 19:06

Max altitude: 75.4° TRANSIT 5:49

Azimuth: 306.9° SET 16:28

Set Location

Other stars in Cygnus