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 » Microscopium » 


Altitude: -56.0°   Azimuth: 94.5°   Direction: East

HR8202 is a double star in the constellation of Microscopium.

HR8202 visual magnitude is 5.51. Because of its reltive faintness, HR8202 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 HR8202:


HR8202 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -56.0°
Azimuth: 94.5°
Direction: East

Celestial coordinates and finder chart of HR8202

HR8202 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR8202 are provided in the following table:

21h 27m 01s
-42° 32’ 52”

The simplified sky map below shows the position of HR8202 in the sky:

Finder chart HR8202 star
Simplified finder chart for HR8202.

Visibility of HR8202 from your location

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

HR8202 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR8202

The image below is a photograph of HR8202 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 HR8202 is -0.049 arcsec per year in Right Ascension and 0.017 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR8202 star
DSS2 image of HR8202. The red arrow shows the motion of HR8202 during the next 10000 years (-8.17 arcmin in Right Ascension and 2.83 arcmin in declination);

Distance of HR8202 from the Sun and relative movement

HR8202 is distant 175.55 light years from the Sun and it is moving far from the Sun at the speed of 18 kilometers per second.

53.85 pc
175.55 ly
18 km/s
-0.049 arcsec/year
0.017 arcsec/year

Spectral properties of HR8202

HR8202 belongs to spectral class A HR8202 is also a so called metallic star.


The red dot in the diagram below shows where HR8202 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8202. Attribution: Richard Powell / CC BY-SA

HR8202 star system properties

HR8202 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR8202 double sysyem:

2.8 arcsec

Alternative designations of HR8202