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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
north SunriseRise: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sunny DaytimeWhat's Visible Now?
All Constellations » Perseus » 


Altitude: -1.4°   Azimuth: 355.8°   Direction: North

HR1234 is a hypergiant star in the constellation of Perseus.

HR1234 visual magnitude is 6.41. Because of its reltive faintness, HR1234 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR1234:


HR1234 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -1.4°
Azimuth: 355.8°
Direction: North

Celestial coordinates and finder chart of HR1234

HR1234 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 HR1234 are provided in the following table:

04h 01m 14s
+36° 59’ 24”

The simplified sky map below shows the position of HR1234 in the sky:

Finder chart HR1234 star
Simplified finder chart for HR1234.

Visibility of HR1234 from your location

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

Today's HR1234 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 53.0°
Max altitude: 75.5°
Azimuth: 307.0°

Digitized Sky Survey image of HR1234

The image below is a photograph of HR1234 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR1234 is -0.022 arcsec per year in Right Ascension and 0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1234 star
DSS2 image of HR1234. The red arrow shows the motion of HR1234 during the next 10000 years (-3.67 arcmin in Right Ascension and 2.50 arcmin in declination);

Distance of HR1234 from the Sun and relative movement

HR1234 is distant 373.00 light years from the Sun and it is moving towards the Sun at the speed of 20 kilometers per second.

114.42 pc
373.00 ly
-20 km/s
-0.022 arcsec/year
0.015 arcsec/year

Spectral properties of HR1234

HR1234 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR1234 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1234. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1234