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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:46  
clear_day Transit: 12:51  
SunsetSet: 18:55 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Cygnus » 


Altitude: 4.7°   Azimuth: 325.3°   Direction: North-West

HR7530 is a multiple hypergiant star in the constellation of Cygnus.

HR7530 visual magnitude is 6.09. Because of its reltive faintness, HR7530 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 HR7530:


HR7530 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 4.7°
Azimuth: 325.3°
Direction: North-West

Celestial coordinates and finder chart of HR7530

HR7530 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 HR7530 are provided in the following table:

19h 45m 51s
+35° 00’ 46”

The simplified sky map below shows the position of HR7530 in the sky:

Finder chart HR7530 star
Simplified finder chart for HR7530.

Visibility of HR7530 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 HR7530 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: 55.0°
Max altitude: 73.5°
Azimuth: 305.0°

Digitized Sky Survey image of HR7530

The image below is a photograph of HR7530 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 HR7530 is 0.021 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7530 star
DSS2 image of HR7530. The red arrow shows the motion of HR7530 during the next 10000 years (3.50 arcmin in Right Ascension and -0.67 arcmin in declination);

Distance of HR7530 from the Sun and relative movement

HR7530 is distant 424.48 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

130.21 pc
424.48 ly
-19 km/s
0.021 arcsec/year
-0.004 arcsec/year

Spectral properties of HR7530

HR7530 belongs to spectral class K0 and has a luminosity class of II corresponding to a hypergiant star.


The red dot in the diagram below shows where HR7530 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7530. Attribution: Richard Powell / CC BY-SA

HR7530 star system properties

HR7530 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR7530 double sysyem:

44.6 arcsec

Alternative designations of HR7530