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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
north SunriseRise: 7:52  
clear_day Transit: 11:51  
SunsetSet: 15:49 south
sleep NighttimeWhat's Visible Now?
All Constellations » Sextans » 


Altitude: -3.7°   Azimuth: 75.6°   Direction: East-North-East

HR3915 is a giant star in the constellation of Sextans.

HR3915 visual magnitude is 5.95. Because of its reltive faintness, HR3915 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 HR3915:


HR3915 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -3.7°
Azimuth: 75.6°
Direction: East-North-East

Celestial coordinates and finder chart of HR3915

HR3915 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 HR3915 are provided in the following table:

09h 53m 42s
+05° 57’ 29”

The simplified sky map below shows the position of HR3915 in the sky:

Finder chart HR3915 star
Simplified finder chart for HR3915.

Visibility of HR3915 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 HR3915 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: 84.0°
Max altitude: 44.5°
Azimuth: 276.0°

Digitized Sky Survey image of HR3915

The image below is a photograph of HR3915 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 HR3915 is -0.008 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 HR3915 star
DSS2 image of HR3915. The red arrow shows the motion of HR3915 during the next 100000 years (-13.33 arcmin in Right Ascension and -10.00 arcmin in declination);

Distance of HR3915 from the Sun and relative movement

HR3915 is distant 1,399.14 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

429.18 pc
1,399.14 ly
-1 km/s
-0.008 arcsec/year
-0.006 arcsec/year

Spectral properties of HR3915

HR3915 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR3915 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR3915. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR3915