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public LocationGreenwich, UK
Sunrise: 5:01 
Transit: 13:04 
Sunset: 21:06
sunny   (Daytime)   What's Visible Now?
All Constellations » Monoceros » 


Above the horizon.  Rise: 6:27 | Tran: 12:16 | Set: 18:05
Alt: 13.74°   Az: 111.03°   Direction: East-South-East

HR2577 is a variable sub-giant star of spectral class B3 in the constellation of Monoceros.

HR2577 visual magnitude is 6.21. Because of its faintness, HR2577 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.

HR2577 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year.

Image of HR2577 star
DSS2 image of HR2577. The red arrow shows the motion of HR2577 during the next 100000 years (10.00 arcmin in Right Ascension and 10.00 arcmin in declination);

Celestial Coordinates


06h 55m 56s
-01° 47’ 20”
19h 39m 32s
02h 35m 29s


06h 54m 42s
-01° 45’ 23”

Galactic Coordinates


Finder Chart

Finder chart HR2577 star
Simplified finder chart for HR2577.

Magnitude, Color, Spectral Class



The red dot in the diagram below shows where HR2577 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2577. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR2577 is distant 4,591.55 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

1,408.45 pc
4,591.55 ly
9 km/s
0.006 arcsec/y
0.006 "/y

Alternative Designations


Visibility from Your Location

Today's HR2577 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 91.8°
Max altitude: 36.7°
Azimuth: 268.2°