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: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
sunny DaytimeWhat's Visible Now
All Constellations » Hydra » 


Altitude: -0.8°   Azimuth: 225.2°   Direction: South-West

HR4445 is a giant star in the constellation of Hydra.

HR4445 visual magnitude is 6.16. Because of its reltive faintness, HR4445 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 HR4445:


HR4445 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -0.8°
Azimuth: 225.2°
Direction: South-West

Celestial coordinates and finder chart of HR4445

HR4445 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 HR4445 are provided in the following table:

11h 32m 23s
-26° 44’ 48”

The simplified sky map below shows the position of HR4445 in the sky:

Finder chart HR4445 star
Simplified finder chart for HR4445.

Visibility of HR4445 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 HR4445 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: 116.7°
Max altitude: 11.8°
Azimuth: 243.3°

Digitized Sky Survey image of HR4445

The image below is a photograph of HR4445 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 HR4445 is -0.079 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR4445 star
DSS2 image of HR4445. The red arrow shows the motion of HR4445 during the next 10000 years (-13.17 arcmin in Right Ascension and 5.50 arcmin in declination);

Distance of HR4445 from the Sun and relative movement

HR4445 is distant 727.68 light years from the Sun and it is moving far from the Sun at the speed of 35 kilometers per second.

223.21 pc
727.68 ly
35 km/s
-0.079 arcsec/year
0.033 arcsec/year

Spectral properties of HR4445

HR4445 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4445 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4445. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR4445