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: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
sunny DaytimeWhat's Visible Now
All Constellations » Pisces » 


Altitude: -8.6°   Azimuth: 353.9°   Direction: North

HR303 is a sub-giant star in the constellation of Pisces.

HR303 visual magnitude is 6.19. Because of its reltive faintness, HR303 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 HR303:


HR303 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -8.6°
Azimuth: 353.9°
Direction: North

Celestial coordinates and finder chart of HR303

HR303 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 HR303 are provided in the following table:

01h 04m 27s
+29° 39’ 30”

The simplified sky map below shows the position of HR303 in the sky:

Finder chart HR303 star
Simplified finder chart for HR303.

Visibility of HR303 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 HR303 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: 60.3°
Max altitude: 68.2°
Azimuth: 299.7°

Digitized Sky Survey image of HR303

The image below is a photograph of HR303 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 HR303 is 0.084 arcsec per year in Right Ascension and -0.116 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of HR303 star
DSS2 image of HR303. The red arrow shows the motion of HR303 during the next 1000 years (1.40 arcmin in Right Ascension and -1.93 arcmin in declination);

Distance of HR303 from the Sun and relative movement

HR303 is distant 136.86 light years from the Sun

41.98 pc
136.86 ly
0.084 arcsec/year
-0.116 arcsec/year

Spectral properties of HR303

HR303 belongs to spectral class F7 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR303 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR303. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR303