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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
sunny DaytimeWhat's Visible Now?
All Constellations » Orion » 


Altitude: -29.5°   Azimuth: 42.7°   Direction: North-East

HR1618 is a variable hypergiant star in the constellation of Orion.

HR1618 visual magnitude is 5.92. Because of its reltive faintness, HR1618 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 HR1618:


HR1618 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -29.5°
Azimuth: 42.7°
Direction: North-East

Celestial coordinates and finder chart of HR1618

HR1618 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 HR1618 are provided in the following table:

05h 01m 50s
+00° 43’ 19”

The simplified sky map below shows the position of HR1618 in the sky:

Finder chart HR1618 star
Simplified finder chart for HR1618.

Visibility of HR1618 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 HR1618 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: 89.3°
Max altitude: 39.2°
Azimuth: 270.7°

Digitized Sky Survey image of HR1618

The image below is a photograph of HR1618 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 HR1618 is 0.001 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1618 star
DSS2 image of HR1618. The red arrow shows the motion of HR1618 during the next 10000 years (0.17 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR1618 from the Sun and relative movement

HR1618 is distant 497.71 light years from the Sun and it is moving far from the Sun at the speed of 21 kilometers per second.

152.67 pc
497.71 ly
21 km/s
0.001 arcsec/year
-0.012 arcsec/year

Spectral properties of HR1618

HR1618 belongs to spectral class K0


The red dot in the diagram below shows where HR1618 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1618. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1618