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public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
sunny   (Daytime)   What's Visible Now?
All Constellations » Sagittarius » 

HR7808

Below the horizon.  Rise: 0:13 | Tran: 1:23 | Set: 2:30
Alt: -16.49°   Az: 229.96°   Direction: South-West

HR7808 is a double sub-giant star of spectral class K2 in the constellation of Sagittarius.

HR7808 visual magnitude is 6.25. Because of its faintness, HR7808 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 HR7808 star
DSS2 image of HR7808. The red arrow shows the motion of HR7808 during the next 1000 years (-4.03 arcmin in Right Ascension and -1.93 arcmin in declination);

Celestial Coordinates

Apparent

20h 28m 28s
-37° 19’ 15”
04h 29m 31s
00h 57m 59s

J2000

20h 26m 53s
-37° 24’ 11”

Galactic Coordinates

4.46°
-34.26°

Finder Chart

Finder chart HR7808 star
Simplified finder chart for HR7808.

Magnitude, Color, Spectral Class

6.25
Sub-giant

3.26
K2IV
4816K

The red dot in the diagram below shows where HR7808 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7808. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7808 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7808 double sysyem:

6.25
7.65
1.4
1.1 arcsec

Distance, Radial Speed, Proper Motion

HR7808 is distant 129.31 light years from the Sun and it is moving far from the Sun at the speed of 23 kilometers per second.

39.67
129.31
23 km/s
-0.242 arcsec/y
-0.116"/y

Alternative Designations

SAO212126
SAO212126

Visibility from Your Location

Today's HR7808 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 127.3°
Max altitude: 1.2°
Azimuth: 232.7°