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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:55  
clear_day Transit: 12:11  
SunsetSet: 17:29
sunny DaytimeWhat's Visible Now?
All Constellations » Perseus » 

HR846

Altitude: 21.1°   Azimuth: 27.2°   Direction: North-North-East

HR846 is a variable and multiple giant star in the constellation of Perseus.

HR846 visual magnitude is 6.36. Because of its reltive faintness, HR846 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR846 is 0.002 arcsec per year in Right Ascension and -0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR846 star
DSS2 image of HR846. The red arrow shows the motion of HR846 during the next 10000 years (0.33 arcmin in Right Ascension and -1.83 arcmin in declination);

Key facts about HR846

6.36
Giant

HR846 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 21.1°
Azimuth: 27.2°
Direction: North-North-East

Celestial coordinates and finder chart of HR846

HR846 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 HR846 are provided in the following table:

02h 52m 51s
+52° 59’ 52”
140.73°
-5.63°
Perseus

The simplified sky map below shows the position of HR846 in the sky:

Finder chart HR846 star
Simplified finder chart for HR846.

Visibility of HR846 from your location

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

HR846 is circumpolar and transits at 16:32 UTC (altitude: 88.5°)

Distance of HR846 from the Sun and relative movement

HR846 is distant 1,009.29 light years from the Sun and it is moving far from the Sun at the speed of 1 kilometers per second.

309.60 pc
1,009.29 ly
1 km/s
0.002 arcsec/year
-0.011 arcsec/year

Spectral properties of HR846

HR846 belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.

-1.09
B8III
9328K

The red dot in the diagram below shows where HR846 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR846. Attribution: Richard Powell / CC BY-SA

HR846 star system properties

HR846 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 HR846 double sysyem:

6.36
6.56
0.2
1.6 arcsec

Alternative designations of HR846

SAO23674
SAO23674