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: 4:45  
clear_day Transit: 12:57  
SunsetSet: 21:10 south
sunny DaytimeWhat's Visible Now
All Constellations » Serpens » 

HR6830

Altitude: 6.3°   Azimuth: 256.0°   Direction: West-South-West

HR6830 is a main-sequence star in the constellation of Serpens.

HR6830 visual magnitude is 6.36. Because of its reltive faintness, HR6830 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 HR6830:

6.36
Main-sequence

HR6830 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 6.3°
Azimuth: 256.0°
Direction: West-South-West

Celestial coordinates and finder chart of HR6830

HR6830 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 HR6830 are provided in the following table:

18h 15m 57s
-03° 37’ 03”
25.63°
6.21°
Serpens

The simplified sky map below shows the position of HR6830 in the sky:

Finder chart HR6830 star
Simplified finder chart for HR6830.

Visibility of HR6830 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 HR6830 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: 93.6°
Max altitude: 34.9°
Azimuth: 266.4°
HR6830 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6830

The image below is a photograph of HR6830 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 HR6830 is 0.015 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR6830 star
DSS2 image of HR6830. The red arrow shows the motion of HR6830 during the next 10000 years (2.50 arcmin in Right Ascension and 3.17 arcmin in declination);

Distance of HR6830 from the Sun and relative movement

HR6830 is distant 471.78 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

144.72 pc
471.78 ly
-22 km/s
0.015 arcsec/year
0.019 arcsec/year

Spectral properties of HR6830

HR6830 belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.

0.56
A4V
8163K

The red dot in the diagram below shows where HR6830 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6830. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6830

SAO142185
SAO142185