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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:38 
Transit: 12:54 
Sunset: 19:10
sunny   (Daytime)  
What's Visible Now • Tonight Timeline
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All Constellations » Hydra » 

HR4647

Below the horizon.  Rise: 11:26 | Tran: 13:30 | Set: 15:34
Alt: -21.16°   Az: 118.89°   Direction: East-South-East

HR4647 is a variable giant star of spectral class M4 in the constellation of Hydra.

HR4647 visual magnitude is 6.5. Because of its faintness, HR4647 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 HR4647 star
DSS2 image of HR4647. The red arrow shows the motion of HR4647 during the next 10000 years (-5.00 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

12h 14m 30s
-34° 15’ 46”
18h 35m 34s
06h 50m 04s

J2000

12h 13m 13s
-34° 07’ 32”

Galactic Coordinates

293.97°
28.08°

Finder Chart

Finder chart HR4647 star
Simplified finder chart for HR4647.

Magnitude, Color, Spectral Class

6.5
Giant

-0.73
M4III
3568K

The red dot in the diagram below shows where HR4647 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4647. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4647 is distant 910.61 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

279.33
910.61
3 km/s
-0.03 arcsec/y
-0.006"/y

Alternative Designations

SAO203245
SAO203245

Visibility from Your Location

Today's HR4647 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.3°
Max altitude: 4.3°
Azimuth: 235.7°