Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:09 south
sunny DaytimeWhat's Visible Now
All Constellations » Columba » 


Altitude: -14.9°   Azimuth: 240.5°   Direction: West-South-West

HR1888 is a hypergiant star in the constellation of Columba.

HR1888 visual magnitude is 6.53. Because of its reltive faintness, HR1888 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 HR1888:


HR1888 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -14.9°
Azimuth: 240.5°
Direction: West-South-West

Celestial coordinates and finder chart of HR1888

HR1888 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR1888 are provided in the following table:

05h 33m 52s
-29° 50’ 56”

The simplified sky map below shows the position of HR1888 in the sky:

Finder chart HR1888 star
Simplified finder chart for HR1888.

Visibility of HR1888 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 HR1888 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: 119.8°
Max altitude: 8.7°
Azimuth: 240.2°
HR1888 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR1888

The image below is a photograph of HR1888 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 HR1888 is 0.014 arcsec per year in Right Ascension and 0.021 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1888 star
DSS2 image of HR1888. The red arrow shows the motion of HR1888 during the next 10000 years (2.33 arcmin in Right Ascension and 3.50 arcmin in declination);

Distance of HR1888 from the Sun and relative movement

HR1888 is distant 931.43 light years from the Sun and it is moving far from the Sun at the speed of 15 kilometers per second.

285.71 pc
931.43 ly
15 km/s
0.014 arcsec/year
0.021 arcsec/year

Spectral properties of HR1888

HR1888 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where HR1888 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR1888. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1888