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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: 6:40  
clear_day Transit: 12:10  
SunsetSet: 17:41
sunny DaytimeWhat's Visible Now?
All Constellations » Taurus » 

HR1755

Altitude: -13.5°   Azimuth: 30.4°   Direction: North-North-East

HR1755 is a hypergiant star in the constellation of Taurus.

HR1755 visual magnitude is 6.18. Because of its reltive faintness, HR1755 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 HR1755 is -0.006 arcsec per year in Right Ascension and -0.015 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR1755 star
DSS2 image of HR1755. The red arrow shows the motion of HR1755 during the next 10000 years (-1.00 arcmin in Right Ascension and -2.50 arcmin in declination);

Key facts about HR1755

6.18
Hypergiant

HR1755 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.5°
Azimuth: 30.4°
Direction: North-North-East

Celestial coordinates and finder chart of HR1755

HR1755 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 HR1755 are provided in the following table:

05h 20m 56s
+19° 48’ 51”
184.68°
-9.64°
Taurus

The simplified sky map below shows the position of HR1755 in the sky:

Finder chart HR1755 star
Simplified finder chart for HR1755.

Visibility of HR1755 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 HR1755 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: 70.2°
Max altitude: 58.3°
Azimuth: 289.8°

Distance of HR1755 from the Sun and relative movement

HR1755 is distant 624.52 light years from the Sun

191.57 pc
624.52 ly
-0.006 arcsec/year
-0.015 arcsec/year

Spectral properties of HR1755

HR1755 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

-0.23
K0III
4251K

The red dot in the diagram below shows where HR1755 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR1755. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR1755

SAO94478
SAO94478