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: 6:55  
clear_day Transit: 12:49  
SunsetSet: 18:41 south
sunny DaytimeWhat's Visible Now
All Constellations » Vulpecula » 


Altitude: 20.0°   Azimuth: 73.3°   Direction: East-North-East

HR7849 is a double star in the constellation of Vulpecula.

HR7849 visual magnitude is 6.34. Because of its reltive faintness, HR7849 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 HR7849:


HR7849 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 20.0°
Azimuth: 73.3°
Direction: East-North-East

Celestial coordinates and finder chart of HR7849

HR7849 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 HR7849 are provided in the following table:

20h 31m 58s
+25° 48’ 15”

The simplified sky map below shows the position of HR7849 in the sky:

Finder chart HR7849 star
Simplified finder chart for HR7849.

Visibility of HR7849 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 HR7849 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: 64.2°
Max altitude: 64.3°
Azimuth: 295.8°

Digitized Sky Survey image of HR7849

The image below is a photograph of HR7849 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 HR7849 is 0.032 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 HR7849 star
DSS2 image of HR7849. The red arrow shows the motion of HR7849 during the next 10000 years (5.33 arcmin in Right Ascension and -5.50 arcmin in declination);

Distance of HR7849 from the Sun and relative movement

HR7849 is distant 264.40 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

81.10 pc
264.40 ly
-18 km/s
0.032 arcsec/year
-0.033 arcsec/year

Spectral properties of HR7849

HR7849 belongs to spectral class A HR7849 is also a so called metallic star.


The red dot in the diagram below shows where HR7849 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7849. Attribution: Richard Powell / CC BY-SA

HR7849 star system properties

HR7849 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR7849 double sysyem:

0.4 arcsec

Alternative designations of HR7849