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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Andromeda » 


Altitude: 6.8°   Azimuth: 356.3°   Direction: North

HR1 is a multiple main-sequence star in the constellation of Andromeda.

HR1 visual magnitude is 6.7. Because of its reltive faintness, HR1 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 HR1:


HR1 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.8°
Azimuth: 356.3°
Direction: North

Celestial coordinates and finder chart of HR1

HR1 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 HR1 are provided in the following table:

00h 05m 09s
+45° 13’ 45”

The simplified sky map below shows the position of HR1 in the sky:

Finder chart HR1 star
Simplified finder chart for HR1.

Visibility of HR1 from your location

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

HR1 is circumpolar and transits at 19:23 UTC (altitude: 83.7°)

Digitized Sky Survey image of HR1

The image below is a photograph of HR1 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 HR1 is -0.012 arcsec per year in Right Ascension and -0.018 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1 star
DSS2 image of HR1. The red arrow shows the motion of HR1 during the next 10000 years (-2.00 arcmin in Right Ascension and -3.00 arcmin in declination);

Spectral properties of HR1

HR1 belongs to spectral class A1 and has a luminosity class of V corresponding to a main-sequence star.


HR1 star system properties

HR1 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 HR1 double sysyem:

21.6 arcsec

Alternative designations of HR1