Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:51  
clear_day Transit: 12:56  
SunsetSet: 21:00 south
sunny DaytimeWhat's Visible Now
All Constellations » Aquila » 

HR7768

HR7768 is a hypergiant star in the constellation of Aquila.

HR7768 visual magnitude is 6.06. Because of its reltive faintness, HR7768 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 HR7768:

6.06
Hypergiant
HR7768 is above the horizon from Greenwich, United Kingdom edit_location_alt. Altitude: 8°.

Celestial coordinates and finder chart of HR7768

HR7768 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7768 are provided in the following table:

20h 19m 43s
-01° 04’ 42”
42.4°
-20.06°
Aquila

The simplified sky map below shows the position of HR7768 in the sky:

Finder chart HR7768 star
Simplified finder chart for HR7768.

Visibility of HR7768 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 HR7768 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: 91.1°
Max altitude: 37.4°
Azimuth: 268.9°
HR7768 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR7768

The image below is a photograph of HR7768 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 HR7768 is 0.042 arcsec per year in Right Ascension and 0.033 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7768 star
DSS2 image of HR7768. The red arrow shows the motion of HR7768 during the next 10000 years (7.00 arcmin in Right Ascension and 5.50 arcmin in declination);

Distance of HR7768 from the Sun and relative movement

HR7768 is distant 405.47 light years from the Sun and it is moving towards the Sun at the speed of 45 kilometers per second.

124.38 pc
405.47 ly
-45 km/s
0.042 arcsec/year
0.033 arcsec/year

Spectral properties of HR7768

HR7768 belongs to spectral class K0

0.59
K0
4537K

The red dot in the diagram below shows where HR7768 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7768. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7768

SAO144296
SAO144296