28 Cygni

Altitude: 2.9° Azimuth: 334.1° Direction: North-North-West

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

28 Cygni visual magnitude is 4.93. Because of its moderate brightness, 28 Cygni should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about 28 Cygni:

Color of 28 Cygni ⬤

Magnitude of 28 Cygni 4.93

Class Main-sequence

VISIBILITY RIGHT NOW

28 Cygni is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 2.9°
Azimuth: 334.1°
Direction: North-North-West

Celestial coordinates and finder chart of 28 Cygni

28 Cygni is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 28 Cygni are provided in the following table:

Right Ascension J2000 20h 09m 25s

Declination J2000 +36° 50’ 22”

Galactic Longitude 73.91°

Galactic Latitude 2.04°

Constellation Cygnus

The simplified sky map below shows the position of 28 Cygni in the sky:

Simplified finder chart for 28 Cygni.

Visibility of 28 Cygni from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

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

Azimuth: 53.2° RISE 10:14

Max altitude: 75.4° TRANSIT 20:51

Azimuth: 306.8° SET 7:33

Digitized Sky Survey image of 28 Cygni

The image below is a photograph of 28 Cygni from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 28 Cygni is 0.005 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

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);

Distance of 28 Cygni from the Sun and relative movement

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 pc

Distance (light year) 860.16 ly

Heliocentric radial velocity -14 km/s

Proper Motion RA 0.005 arcsec/year

Proper Motion Dec 0.014 arcsec/year

Spectral properties of 28 Cygni

28 Cygni belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude -2.18

Spectral Type B2V

Color Index (B-V) -0.13

Temperature of 28 Cygni 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

Alternative designations of 28 Cygni

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

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