Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23


HR665 is a giant star in the constellation of Aries.

HR665 visual magnitude is 6.55. Because of its reltive faintness, HR665 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 HR665:

HR665 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 26°.

Celestial coordinates and finder chart of HR665

HR665 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 HR665 are provided in the following table:

02h 17m 10s
+23° 46’ 04”

The simplified sky map below shows the position of HR665 in the sky:

Finder chart HR665 star
Simplified finder chart for HR665.

Visibility of HR665 from your location

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

Today's HR665 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 66.2°
Max altitude: 62.3°
Azimuth: 293.8°
HR665 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR665

The image below is a photograph of HR665 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 HR665 is -0.033 arcsec per year in Right Ascension and -0.039 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR665 star
DSS2 image of HR665. The red arrow shows the motion of HR665 during the next 10000 years (-5.50 arcmin in Right Ascension and -6.50 arcmin in declination);

Distance of HR665 from the Sun and relative movement

HR665 is distant 480.12 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

147.28 pc
480.12 ly
-13 km/s
-0.033 arcsec/year
-0.039 arcsec/year

Spectral properties of HR665

HR665 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR665 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR665. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR665