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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: 7:38  
clear_day Transit: 11:46  
SunsetSet: 15:54 south
sleep NighttimeWhat's Visible Now?
All Constellations » Gemini » 


Altitude: 48.3°   Azimuth: 92.5°   Direction: East

HR2660 is a variable sub-giant star in the constellation of Gemini.

HR2660 visual magnitude is 5.55. Because of its reltive faintness, HR2660 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 HR2660:


HR2660 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 48.3°
Azimuth: 92.5°
Direction: East

Celestial coordinates and finder chart of HR2660

HR2660 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 HR2660 are provided in the following table:

07h 06m 11s
+34° 28’ 26”

The simplified sky map below shows the position of HR2660 in the sky:

Finder chart HR2660 star
Simplified finder chart for HR2660.

Visibility of HR2660 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 HR2660 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: 55.5°
Max altitude: 73.0°
Azimuth: 304.5°

Digitized Sky Survey image of HR2660

The image below is a photograph of HR2660 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 HR2660 is -0.055 arcsec per year in Right Ascension and -0.048 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2660 star
DSS2 image of HR2660. The red arrow shows the motion of HR2660 during the next 10000 years (-9.17 arcmin in Right Ascension and -8.00 arcmin in declination);

Distance of HR2660 from the Sun and relative movement

HR2660 is distant 305.24 light years from the Sun and it is moving far from the Sun at the speed of 5 kilometers per second.

93.63 pc
305.24 ly
5 km/s
-0.055 arcsec/year
-0.048 arcsec/year

Spectral properties of HR2660

HR2660 belongs to spectral class G8 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where HR2660 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2660. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2660