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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: 6:59  
clear_day Transit: 12:12  
SunsetSet: 17:25
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Cepheus » 

HR1230

Altitude: 60.7°   Azimuth: 357.9°   Direction: North

HR1230 is a double giant star in the constellation of Cepheus.

HR1230 visual magnitude is 5.1. Because of its reltive faintness, HR1230 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of HR1230 is -0.017 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1230 star
DSS2 image of HR1230. The red arrow shows the motion of HR1230 during the next 10000 years (-2.83 arcmin in Right Ascension and -0.33 arcmin in declination);

Key facts about HR1230

5.1
Giant

HR1230 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 60.7°
Azimuth: 357.9°
Direction: North

Celestial coordinates and finder chart of HR1230

HR1230 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 HR1230 are provided in the following table:

04h 10m 02s
+80° 41’ 54”
130.51°
20.91°
Cepheus

The simplified sky map below shows the position of HR1230 in the sky:

Finder chart HR1230 star
Simplified finder chart for HR1230.

Visibility of HR1230 from your location

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

HR1230 is circumpolar and transits at 17:57 UTC (altitude: 60.8°)

Distance of HR1230 from the Sun and relative movement

HR1230 is distant 345.34 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

105.93 pc
345.34 ly
4 km/s
-0.017 arcsec/year
-0.002 arcsec/year

Spectral properties of HR1230

HR1230 belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

-0.03
G8III
6129K

The red dot in the diagram below shows where HR1230 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1230. Attribution: Richard Powell / CC BY-SA

HR1230 star system properties

HR1230 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR1230 double sysyem:

5.1
5.9
0.8
0.8 arcsec

Alternative designations of HR1230

SAO650
SAO650