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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
wb_twilight   (Nautical Twilight)   What's Visible Now?

HR8142

Below the horizon.  Rise: 1:34 | Tran: 4:39 | Set: 7:43
Altitude: -18.3°   Azimuth: 113.5°   Direction: East-South-East

HR8142 is a sub-giant star of spectral class G8 in the constellation of Microscopium.

HR8142 visual magnitude is 6.4. Because of its faintness, HR8142 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR8142

Finder chart HR8142 star
Simplified finder chart for HR8142.

HR8142 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 HR8142 are provided in the following table:

21h 18m 54s
-28° 45’ 56”
17.89°
-43.43°
Microscopium
Image of HR8142 star
DSS2 image of HR8142. The red arrow shows the motion of HR8142 during the next 1000 years (-3.02 arcmin in Right Ascension and -0.97 arcmin in declination);

Key facts about HR8142

6.4
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

0.94
G8IV
4816K

The red dot in the diagram below shows where HR8142 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR8142. Attribution: Richard Powell / CC BY-SA

Distance of HR8142 from the Sun and relative movement

HR8142 is distant 403.47 light years from the Sun and it is moving far from the Sun at the speed of 38 kilometers per second.

123.76 pc
403.47 ly
38 km/s
-0.181 arcsec/year
-0.058 arcsec/year

Alternative designations of HR8142

SAO190220
SAO190220

Visibility of HR8142 from your location

Today's HR8142 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.8°
Max altitude: 9.8°
Azimuth: 241.2°