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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:42 
Transit: 12:53 
Sunset: 19:03
wb_twilight   (Astronomical Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Hydra » 

HR4912

Below the horizon.  Rise: 10:39 | Tran: 14:02 | Set: 17:25
Alt: -26.88°   Az: 260.26°   Direction: West

HR4912 is a variable supergiant star of spectral class F3 in the constellation of Hydra.

HR4912 visual magnitude is 6.62. Because of its faintness, HR4912 is not visible to the naked eye.

Image of HR4912 star
DSS2 image of HR4912. The red arrow shows the motion of HR4912 during the next 10000 years (2.17 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

12h 57m 50s
-26° 35’ 37”
06h 42m 09s
19h 39m 59s

J2000

12h 56m 30s
-26° 27’ 37”

Galactic Coordinates

304.34°
36.4°

Finder Chart

Finder chart HR4912 star
Simplified finder chart for HR4912.

Magnitude, Color, Spectral Class

6.62
Supergiant

-23.38
F3I
5671K

The red dot in the diagram below shows where HR4912 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4912. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4912 is distant 32,600,000.00 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

10,000,000.00
32,600,000.00
-24 km/s
0.013 arcsec/y
-0.015"/y

Alternative Designations

SAO181244
SAO181244

Visibility from Your Location

Today's HR4912 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 116.6°
Max altitude: 11.9°
Azimuth: 243.4°