Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

HR7704

HR7704 is a giant star in the constellation of Draco.

HR7704 visual magnitude is 6.28. Because of its reltive faintness, HR7704 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 HR7704:

6.28
Giant
HR7704 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 31°.

Celestial coordinates and finder chart of HR7704

HR7704 is situated close to the northern celestial pole and, as such, it is visible for most part of the year from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7704 are provided in the following table:

20h 04m 53s
+68° 01’ 37”
100.94°
18.54°
Draco

The simplified sky map below shows the position of HR7704 in the sky:

Finder chart HR7704 star
Simplified finder chart for HR7704.

Visibility of HR7704 from your location

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

HR7704 is circumpolar and transits at 10:55 UTC (altitude: 73.5°)

Digitized Sky Survey image of HR7704

The image below is a photograph of HR7704 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 HR7704 is -0.017 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7704 star
DSS2 image of HR7704. The red arrow shows the motion of HR7704 during the next 10000 years (-2.83 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR7704 from the Sun and relative movement

HR7704 is distant 1,116.44 light years from the Sun and it is moving towards the Sun at the speed of 42 kilometers per second.

342.47 pc
1,116.44 ly
-42 km/s
-0.017 arcsec/year
-0.012 arcsec/year

Spectral properties of HR7704

HR7704 belongs to spectral class M3 and has a luminosity class of III corresponding to a giant star.

-1.39
M3III
3581K

The red dot in the diagram below shows where HR7704 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7704. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7704

SAO18699
SAO18699