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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
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sunny DaytimeWhat's Visible Now?
All Constellations » Columba » 

HR1888

Altitude: -56.8°   Azimuth: 62.6°   Direction: East-North-East

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 skies, while it is not visible at all from skies affected by light pollution.

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);

Key facts about HR1888

6.53
Hypergiant

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

Altitude: -56.8°
Azimuth: 62.6°
Direction: East-North-East

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”
233.78°
-28.9°
Columba

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°

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.

-0.75
A0V
10382K

The red dot in the diagram below shows where HR1888 is situated in the Hertzsprung–Russell diagram.

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

Alternative designations of HR1888

SAO170561
SAO170561