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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Hydra » 


Altitude: 7.1°   Azimuth: 233.8°   Direction: South-West

HR3772 is a giant star in the constellation of Hydra.

HR3772 visual magnitude is 5.85. Because of its reltive faintness, HR3772 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 HR3772:


HR3772 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.1°
Azimuth: 233.8°
Direction: South-West

Celestial coordinates and finder chart of HR3772

HR3772 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 HR3772 are provided in the following table:

09h 30m 22s
-15° 34’ 37”

The simplified sky map below shows the position of HR3772 in the sky:

Finder chart HR3772 star
Simplified finder chart for HR3772.

Visibility of HR3772 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 HR3772 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: 105.6°
Max altitude: 22.9°
Azimuth: 254.4°

Digitized Sky Survey image of HR3772

The image below is a photograph of HR3772 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 HR3772 is -0.066 arcsec per year in Right Ascension and -0.063 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3772 star
DSS2 image of HR3772. The red arrow shows the motion of HR3772 during the next 10000 years (-11.00 arcmin in Right Ascension and -10.50 arcmin in declination);

Distance of HR3772 from the Sun and relative movement

HR3772 is distant 248.67 light years from the Sun and it is moving far from the Sun at the speed of 24 kilometers per second.

76.28 pc
248.67 ly
24 km/s
-0.066 arcsec/year
-0.063 arcsec/year

Spectral properties of HR3772

HR3772 belongs to spectral class K3


The red dot in the diagram below shows where HR3772 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3772. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3772