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🌎  Greenwich, United Kingdom [change]


HR201 is a hypergiant star in the constellation of Cetus.

HR201 visual magnitude is 6.15. Because of its reltive faintness, HR201 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 HR201:

HR201 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 27°.

Celestial coordinates and finder chart of HR201

HR201 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 HR201 are provided in the following table:

00h 45m 24s
-04° 37’ 45”

The simplified sky map below shows the position of HR201 in the sky:

Finder chart HR201 star
Simplified finder chart for HR201.

Visibility of HR201 from your location

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

Today's HR201 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.6°
Max altitude: 33.9°
Azimuth: 265.4°
HR201 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR201

The image below is a photograph of HR201 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 HR201 is 0.028 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR201 star
DSS2 image of HR201. The red arrow shows the motion of HR201 during the next 10000 years (4.67 arcmin in Right Ascension and 5.50 arcmin in declination);

Distance of HR201 from the Sun and relative movement

HR201 is distant 1,112.63 light years from the Sun and it is moving far from the Sun at the speed of 7 kilometers per second.

341.30 pc
1,112.63 ly
7 km/s
0.028 arcsec/year
0.033 arcsec/year

Spectral properties of HR201

HR201 belongs to spectral class M0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where HR201 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR201. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR201