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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 5:45  
clear_day Transit: 12:56  
SunsetSet: 20:09
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Draco » 

HR7117

Altitude: 43.3°   Azimuth: 20.3°   Direction: North-North-East

HR7117 is a hypergiant star in the constellation of Draco.

HR7117 visual magnitude is 5.27. Because of its reltive faintness, HR7117 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7117 is 0.005 arcsec per year in Right Ascension and 0.077 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7117 star
DSS2 image of HR7117. The red arrow shows the motion of HR7117 during the next 10000 years (0.83 arcmin in Right Ascension and 12.83 arcmin in declination);

Key facts about HR7117

5.27
Hypergiant

HR7117 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 43.3°
Azimuth: 20.3°
Direction: North-North-East

Celestial coordinates and finder chart of HR7117

HR7117 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 HR7117 are provided in the following table:

18h 45m 46s
+74° 05’ 08”
105.11°
26.39°
Draco

The simplified sky map below shows the position of HR7117 in the sky:

Finder chart HR7117 star
Simplified finder chart for HR7117.

Visibility of HR7117 from your location

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

HR7117 is circumpolar and transits at 04:34 UTC (altitude: 67.4°)

Distance of HR7117 from the Sun and relative movement

HR7117 is distant 334.70 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

102.67 pc
334.70 ly
3 km/s
0.005 arcsec/year
0.077 arcsec/year

Spectral properties of HR7117

HR7117 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.

0.21
K0II
4943K

The red dot in the diagram below shows where HR7117 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7117. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7117

SAO9241
SAO9241