HR8304

Altitude: 13.1° Azimuth: 15.8° Direction: North-North-East

HR8304 is a bright giant star in the constellation of Cygnus.

HR8304 visual magnitude is 6.09. Because of its reltive faintness, HR8304 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR8304:

Color of HR8304 ⬤

Magnitude of HR8304 6.09

Class Bright giant

VISIBILITY RIGHT NOW

HR8304 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 13.1°
Azimuth: 15.8°
Direction: North-North-East

Celestial coordinates and finder chart of HR8304

HR8304 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 HR8304 are provided in the following table:

Right Ascension J2000 21h 42m 38s

Declination J2000 +49° 36’ 01”

Galactic Longitude 94.51°

Galactic Latitude -2.56°

Constellation Cygnus

The simplified sky map below shows the position of HR8304 in the sky:

Simplified finder chart for HR8304.

Visibility of HR8304 from your location

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

HR8304 is circumpolar and transits at 16:57 UTC (altitude: 88.1°)

Digitized Sky Survey image of HR8304

The image below is a photograph of HR8304 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 HR8304 is 0.01 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR8304. The red arrow shows the motion of HR8304 during the next 10000 years (1.67 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR8304 from the Sun and relative movement

HR8304 is distant 869.33 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

Distance (parsec) 266.67 pc

Distance (light year) 869.33 ly

Heliocentric radial velocity -2 km/s

Proper Motion RA 0.01 arcsec/year

Proper Motion Dec -0.002 arcsec/year

Spectral properties of HR8304

HR8304 belongs to spectral class G8 and has a luminosity class of II corresponding to a bright giant star.

Absolute magnitude -1.04

Spectral Type G8II

Color Index (B-V) 1

Temperature of HR8304 4743K

The red dot in the diagram below shows where HR8304 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR8304. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8304

Henry Draper Catalogue HD206731

SAO Catalogue SAO51217

Hipparcos Catalogue HIP107186

Durchmusterung Catalogue BD+48 3480

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In Evidence

Other stars in Cygnus