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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?


Above the horizon.  Rise: 1:37 | Tran: 10:51 | Set: 20:04
Altitude: 46.1°   Azimuth: 263.6°   Direction: West

HR1209 is a variable and double star of spectral class O9 in the constellation of Perseus.

HR1209 visual magnitude is 6.1. Because of its faintness, HR1209 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.

Celestial coordinates and finder chart of HR1209

Finder chart HR1209 star
Simplified finder chart for HR1209.

HR1209 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 HR1209 are provided in the following table:

03h 55m 23s
+31° 02’ 44”
Image of HR1209 star
DSS2 image of HR1209. The red arrow shows the motion of HR1209 during the next 10000 years (-2.17 arcmin in Right Ascension and -1.17 arcmin in declination);

Key facts about HR1209



The red dot in the diagram below shows where HR1209 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1209. Attribution: Richard Powell / CC BY-SA

HR1209 star system properties

HR1209 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR1209 double sysyem:

22.5 arcsec

Distance of HR1209 from the Sun and relative movement

HR1209 is distant 2,694.21 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

826.45 pc
2,694.21 ly
15 km/s
-0.013 arcsec/year
-0.007 arcsec/year

Alternative designations of HR1209


Visibility of HR1209 from your location

Today's HR1209 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 59.0°
Max altitude: 69.6°
Azimuth: 301.0°