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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
wb_twilight Civil TwilightWhat's Visible Now?
All Constellations » Vulpecula » 


Altitude: 5.1°   Azimuth: 49.1°   Direction: North-East

HR7556 is a variable main-sequence star in the constellation of Vulpecula.

HR7556 visual magnitude is 6.38. Because of its reltive faintness, HR7556 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR7556:


HR7556 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 5.1°
Azimuth: 49.1°
Direction: North-East

Celestial coordinates and finder chart of HR7556

HR7556 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7556 are provided in the following table:

19h 49m 54s
+28° 26’ 26”

The simplified sky map below shows the position of HR7556 in the sky:

Finder chart HR7556 star
Simplified finder chart for HR7556.

Visibility of HR7556 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR7556 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 61.6°
Max altitude: 67.0°
Azimuth: 298.4°

Digitized Sky Survey image of HR7556

The image below is a photograph of HR7556 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR7556 is -0.021 arcsec per year in Right Ascension and 0.027 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7556 star
DSS2 image of HR7556. The red arrow shows the motion of HR7556 during the next 10000 years (-3.50 arcmin in Right Ascension and 4.50 arcmin in declination);

Distance of HR7556 from the Sun and relative movement

HR7556 is distant 1,697.92 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

520.83 pc
1,697.92 ly
-12 km/s
-0.021 arcsec/year
0.027 arcsec/year

Spectral properties of HR7556

HR7556 belongs to spectral class B5 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where HR7556 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7556. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7556