Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Perseus » 


Altitude: 9.5°   Azimuth: 9.4°   Direction: North

HR933 is a main-sequence star in the constellation of Perseus.

HR933 visual magnitude is 6.41. Because of its reltive faintness, HR933 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 HR933:


HR933 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 9.5°
Azimuth: 9.4°
Direction: North

Celestial coordinates and finder chart of HR933

HR933 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 HR933 are provided in the following table:

03h 07m 47s
+47° 18’ 29”

The simplified sky map below shows the position of HR933 in the sky:

Finder chart HR933 star
Simplified finder chart for HR933.

Visibility of HR933 from your location

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

HR933 is circumpolar and transits at 10:09 UTC (altitude: 85.8°)

Digitized Sky Survey image of HR933

The image below is a photograph of HR933 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 HR933 is 0.005 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR933 star
DSS2 image of HR933. The red arrow shows the motion of HR933 during the next 100000 years (8.33 arcmin in Right Ascension and -13.33 arcmin in declination);

Distance of HR933 from the Sun and relative movement

HR933 is distant 245.85 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

75.41 pc
245.85 ly
-10 km/s
0.005 arcsec/year
-0.008 arcsec/year

Spectral properties of HR933

HR933 belongs to spectral class A3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR933 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR933. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR933