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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
north SunriseRise: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Cassiopeia » 

HR302

Altitude: 81.6°   Azimuth: 272.0°   Direction: West

HR302 is a main-sequence star in the constellation of Cassiopeia.

HR302 visual magnitude is 6.54. Because of its reltive faintness, HR302 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 HR302:

6.54
Main-sequence

HR302 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 81.6°
Azimuth: 272.0°
Direction: West

Celestial coordinates and finder chart of HR302

HR302 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 HR302 are provided in the following table:

01h 04m 46s
+51° 00’ 35”
125.08°
-11.81°
Cassiopeia

The simplified sky map below shows the position of HR302 in the sky:

Finder chart HR302 star
Simplified finder chart for HR302.

Visibility of HR302 from your location

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

HR302 is circumpolar and transits at 20:07 UTC (altitude: 89.5°)

Digitized Sky Survey image of HR302

The image below is a photograph of HR302 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 HR302 is 0.019 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR302 star
DSS2 image of HR302. The red arrow shows the motion of HR302 during the next 10000 years (3.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Distance of HR302 from the Sun and relative movement

HR302 is distant 1,065.36 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

326.80 pc
1,065.36 ly
-3 km/s
0.019 arcsec/year
-0.002 arcsec/year

Spectral properties of HR302

HR302 belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.

-1.03
B3V
11247K

The red dot in the diagram below shows where HR302 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR302. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR302

SAO21988
SAO21988