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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:49  
clear_day Transit: 12:50  
SunsetSet: 18:50 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Aquarius » 


Altitude: 33.8°   Azimuth: 145.3°   Direction: South-East

HR8203 is a sub-giant star in the constellation of Aquarius.

HR8203 visual magnitude is 6.46. Because of its reltive faintness, HR8203 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 HR8203:


HR8203 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 33.8°
Azimuth: 145.3°
Direction: South-East

Celestial coordinates and finder chart of HR8203

HR8203 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8203 are provided in the following table:

21h 25m 51s
+00° 32’ 03”

The simplified sky map below shows the position of HR8203 in the sky:

Finder chart HR8203 star
Simplified finder chart for HR8203.

Visibility of HR8203 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 HR8203 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: 89.5°
Max altitude: 39.1°
Azimuth: 270.5°

Digitized Sky Survey image of HR8203

The image below is a photograph of HR8203 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 HR8203 is 0.04 arcsec per year in Right Ascension and 0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8203 star
DSS2 image of HR8203. The red arrow shows the motion of HR8203 during the next 10000 years (6.67 arcmin in Right Ascension and 2.17 arcmin in declination);

Distance of HR8203 from the Sun and relative movement

HR8203 is distant 284.47 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

87.26 pc
284.47 ly
-9 km/s
0.04 arcsec/year
0.013 arcsec/year

Spectral properties of HR8203

HR8203 belongs to spectral class A1 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR8203 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR8203. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR8203