Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
warning Set your observing location to get relevant data
Search  close
All Constellations » Crater » 

HR4491

Below the horizon.  Rise: 16:16 | Tran: 20:46 | Set: 1:19
Alt: -52.30°   Az: 29.73°   Direction: North-North-East

HR4491 is a variable giant star of spectral class M3 in the constellation of Crater.

HR4491 visual magnitude is 6.19. Because of its faintness, HR4491 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.

Image of HR4491 star
DSS2 image of HR4491. The red arrow shows the motion of HR4491 during the next 10000 years (-1.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

11h 41m 07s
-16° 45’ 39”
13h 13m 51s
00h 54m 59s

J2000

11h 39m 50s
-16° 37’ 13”

Galactic Coordinates

279.21°
42.93°

Finder Chart

loader
  Loading map...
Finder chart for HR4491.

Magnitude, Color, Spectral Class

6.19
Giant

-1.27
M3III
3622K

The red dot in the diagram below shows where HR4491 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4491. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4491 is distant 1,012.42 light years from the Sun and it is moving far from the Sun at the speed of 26 kilometers per second.

310.56
1,012.42
26 km/s
-0.01 arcsec/y
-0.009"/y

Alternative Designations

SAO156819
SAO156819

Visibility from Your Location

Today's HR4491 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.8°
Max altitude: 21.8°
Azimuth: 253.2°