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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
SunriseRise: 6:04  
clear_day Transit: 12:06  
SunsetSet: 18:09
sleep NighttimeWhat's Visible Now?
All Constellations » Sagittarius » 

HR7105

Altitude: -9.4°   Azimuth: 128.6°   Direction: South-East

HR7105 is a main-sequence star in the constellation of Sagittarius.

HR7105 visual magnitude is 6.63. Because of its reltive faintness, HR7105 should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of HR7105 is -0.002 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR7105 star
DSS2 image of HR7105. The red arrow shows the motion of HR7105 during the next 10000 years (-0.33 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about HR7105

6.63
Main-sequence

HR7105 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -9.4°
Azimuth: 128.6°
Direction: South-East

Celestial coordinates and finder chart of HR7105

HR7105 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR7105 are provided in the following table:

18h 52m 41s
-30° 44’ 03”
5.16°
-13.72°
Sagittarius

The simplified sky map below shows the position of HR7105 in the sky:

Finder chart HR7105 star
Simplified finder chart for HR7105.

Visibility of HR7105 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 HR7105 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: 120.7°
Max altitude: 7.8°
Azimuth: 239.3°

Distance of HR7105 from the Sun and relative movement

HR7105 is distant 546.06 light years from the Sun and it is moving towards the Sun at the speed of 50 kilometers per second.

167.50 pc
546.06 ly
-50 km/s
-0.002 arcsec/year
-0.023 arcsec/year

Spectral properties of HR7105

HR7105 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

0.51
B8V
10795K

The red dot in the diagram below shows where HR7105 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR7105. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR7105

SAO210663
SAO210663