Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

HR7421

HR7421 is a hypergiant star in the constellation of Vulpecula.

HR7421 visual magnitude is 5.87. Because of its reltive faintness, HR7421 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 HR7421:

5.87
Hypergiant
HR7421 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 55°.

Celestial coordinates and finder chart of HR7421

HR7421 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 HR7421 are provided in the following table:

19h 31m 21s
+26° 37’ 01”
60.99°
3.81°
Vulpecula

The simplified sky map below shows the position of HR7421 in the sky:

Finder chart HR7421 star
Simplified finder chart for HR7421.

Visibility of HR7421 from your location

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

Today's HR7421 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 63.4°
Max altitude: 65.1°
Azimuth: 296.6°
HR7421 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7421

The image below is a photograph of HR7421 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 HR7421 is 0.032 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 HR7421 star
DSS2 image of HR7421. The red arrow shows the motion of HR7421 during the next 10000 years (5.33 arcmin in Right Ascension and 4.50 arcmin in declination);

Distance of HR7421 from the Sun and relative movement

HR7421 is distant 193.24 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

59.28 pc
193.24 ly
-1 km/s
0.032 arcsec/year
0.027 arcsec/year

Spectral properties of HR7421

HR7421 belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.

2.01
K0III
4917K

The red dot in the diagram below shows where HR7421 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7421. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7421

SAO87314
SAO87314