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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Microscopium » 

HR7817

Below the horizon.  Rise: 3:45 | Tran: 5:30 | Set: 7:14
Alt: -3.74°   Az: 211.50°   Direction: South-South-West

HR7817 is a bright giant star of spectral class B8 in the constellation of Microscopium.

HR7817 visual magnitude is 6.1. Because of its faintness, HR7817 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of HR7817 star
DSS2 image of HR7817. The red arrow shows the motion of HR7817 during the next 10000 years (1.33 arcmin in Right Ascension and -3.50 arcmin in declination);

Celestial Coordinates

Apparent

20h 30m 24s
-35° 30’ 35”
02h 39m 20s
23h 09m 44s

J2000

20h 28m 46s
-35° 35’ 44”

Galactic Coordinates

6.69°
-34.31°

Finder Chart

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Finder chart for HR7817.

Magnitude, Color, Spectral Class

6.1
Bright giant

-0.32
B8II
11744K

The red dot in the diagram below shows where HR7817 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7817. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7817 is distant 626.92 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

192.31
626.92
-9 km/s
0.008 arcsec/y
-0.021"/y

Alternative Designations

SAO212160
SAO212160

Visibility from Your Location

Today's HR7817 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.5°
Max altitude: 3.0°
Azimuth: 234.5°