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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:54 
Sunset: 20:41
wb_twilight   (Astronomical Twilight)   What's Visible Now?

HR6544

Altitude: 27.2°   Azimuth: 175.1°   Direction: South

HR6544 is a double main-sequence star in the constellation of Serpens.

HR6544 visual magnitude is 5.55. Because of its reltive faintness, HR6544 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 HR6544 is 0.005 arcsec per year in Right Ascension and 0.006 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR6544 star
DSS2 image of HR6544. The red arrow shows the motion of HR6544 during the next 100000 years (8.33 arcmin in Right Ascension and 10.00 arcmin in declination);

Key facts about HR6544

5.55
Main-sequence

HR6544 is above the horizon from Greenwich, United Kingdom.

Altitude: 27.2°
Azimuth: 175.1°
Direction: South

Celestial coordinates and finder chart of HR6544

HR6544 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 HR6544 are provided in the following table:

17h 34m 46s
-11° 14’ 30”
13.86°
11.4°
Serpens

The simplified sky map below shows the position of HR6544 in the sky:

Finder chart HR6544 star
Simplified finder chart for HR6544.

Visibility of HR6544 from your location

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

Today's HR6544 rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 101.2°
Max altitude: 27.3°
Azimuth: 258.8°

Distance of HR6544 from the Sun and relative movement

HR6544 is distant 376.88 light years from the Sun and it is moving towards the Sun at the speed of 11 kilometers per second.

115.61 pc
376.88 ly
-11 km/s
0.005 arcsec/year
0.006 arcsec/year

Spectral properties of HR6544

HR6544 belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.

0.24
B8V
9882K

The red dot in the diagram below shows where HR6544 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6544. Attribution: Richard Powell / CC BY-SA

HR6544 star system properties

HR6544 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR6544 double sysyem:

5.55
8.55
3
54.6 arcsec

Alternative designations of HR6544

SAO160653
SAO160653