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public LocationGreenwich, UK
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:18
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Crater » 


Below the horizon.  Rise: 13:43 | Tran: 18:15 | Set: 22:48
Altitude: -19.2°   Azimuth: 267.8°   Direction: West

HR4451 is a giant star of spectral class F9 in the constellation of Crater.

HR4451 visual magnitude is 6.05. Because of its faintness, HR4451 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of HR4451

Finder chart HR4451 star
Simplified finder chart for HR4451.

HR4451 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 HR4451 are provided in the following table:

11h 33m 14s
-16° 16’ 50”
Image of HR4451 star
DSS2 image of HR4451. The red arrow shows the motion of HR4451 during the next 10000 years (-0.33 arcmin in Right Ascension and -7.17 arcmin in declination);

Key facts about HR4451


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR4451 is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of HR4451. Attribution: Richard Powell / CC BY-SA

Distance of HR4451 from the Sun and relative movement

HR4451 is distant 400.49 light years from the Sun and it is moving towards the Sun at the speed of 4 kilometers per second.

122.85 pc
400.49 ly
-4 km/s
-0.002 arcsec/year
-0.043 arcsec/year

Alternative designations of HR4451


Visibility of HR4451 from your location

Today's HR4451 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.3°
Max altitude: 22.2°
Azimuth: 253.7°