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: 21:10 south
sunny DaytimeWhat's Visible Now
All Constellations » Hydra » 


Altitude: -36.2°   Azimuth: 46.3°   Direction: North-East

HR3493 is a hypergiant star in the constellation of Hydra.

HR3493 visual magnitude is 6.09. Because of its reltive faintness, HR3493 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 HR3493:


HR3493 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -36.2°
Azimuth: 46.3°
Direction: North-East

Celestial coordinates and finder chart of HR3493

HR3493 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 HR3493 are provided in the following table:

08h 48m 04s
-06° 33’ 30”

The simplified sky map below shows the position of HR3493 in the sky:

Finder chart HR3493 star
Simplified finder chart for HR3493.

Visibility of HR3493 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 HR3493 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: 96.6°
Max altitude: 32.0°
Azimuth: 263.4°
HR3493 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR3493

The image below is a photograph of HR3493 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 HR3493 is 0.012 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 HR3493 star
DSS2 image of HR3493. The red arrow shows the motion of HR3493 during the next 10000 years (2.00 arcmin in Right Ascension and -3.50 arcmin in declination);

Distance of HR3493 from the Sun and relative movement

HR3493 is distant 666.67 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

204.50 pc
666.67 ly
-5 km/s
0.012 arcsec/year
-0.021 arcsec/year

Spectral properties of HR3493

HR3493 belongs to spectral class K0


The red dot in the diagram below shows where HR3493 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3493. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3493