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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Cetus » 


Altitude: -35.7°   Azimuth: 317.7°   Direction: North-West

HR507 is a hypergiant star in the constellation of Cetus.

HR507 visual magnitude is 6.19. Because of its reltive faintness, HR507 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 HR507:


HR507 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -35.7°
Azimuth: 317.7°
Direction: North-West

Celestial coordinates and finder chart of HR507

HR507 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 HR507 are provided in the following table:

01h 43m 54s
-04° 45’ 56”

The simplified sky map below shows the position of HR507 in the sky:

Finder chart HR507 star
Simplified finder chart for HR507.

Visibility of HR507 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 HR507 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: 94.8°
Max altitude: 33.8°
Azimuth: 265.2°

Digitized Sky Survey image of HR507

The image below is a photograph of HR507 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 HR507 is -0.02 arcsec per year in Right Ascension and -0.032 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR507 star
DSS2 image of HR507. The red arrow shows the motion of HR507 during the next 10000 years (-3.33 arcmin in Right Ascension and -5.33 arcmin in declination);

Distance of HR507 from the Sun and relative movement

HR507 is distant 716.48 light years from the Sun and it is moving far from the Sun at the speed of 20 kilometers per second.

219.78 pc
716.48 ly
20 km/s
-0.02 arcsec/year
-0.032 arcsec/year

Spectral properties of HR507

HR507 belongs to spectral class K0


The red dot in the diagram below shows where HR507 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR507. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR507