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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Hydra » 


Altitude: 7.6°   Azimuth: 224.4°   Direction: South-West

HR3653 is a giant star in the constellation of Hydra.

HR3653 visual magnitude is 5.73. Because of its reltive faintness, HR3653 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 HR3653:


HR3653 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 7.6°
Azimuth: 224.4°
Direction: South-West

Celestial coordinates and finder chart of HR3653

HR3653 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 HR3653 are provided in the following table:

09h 11m 58s
-19° 44’ 52”

The simplified sky map below shows the position of HR3653 in the sky:

Finder chart HR3653 star
Simplified finder chart for HR3653.

Visibility of HR3653 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 HR3653 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: 109.7°
Max altitude: 18.8°
Azimuth: 250.3°

Digitized Sky Survey image of HR3653

The image below is a photograph of HR3653 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 HR3653 is -0.057 arcsec per year in Right Ascension and 0.046 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR3653 star
DSS2 image of HR3653. The red arrow shows the motion of HR3653 during the next 10000 years (-9.50 arcmin in Right Ascension and 7.67 arcmin in declination);

Distance of HR3653 from the Sun and relative movement

HR3653 is distant 300.46 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

92.17 pc
300.46 ly
-1 km/s
-0.057 arcsec/year
0.046 arcsec/year

Spectral properties of HR3653

HR3653 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3653 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR3653. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3653