Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
sleep NighttimeWhat's Visible Now
All Constellations » Orion » 


Altitude: -13.3°   Azimuth: 77.8°   Direction: East-North-East

HR2275 is a variable giant star in the constellation of Orion.

HR2275 visual magnitude is 4.9. Because of its moderate brightness, HR2275 should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.

The table below summarizes the key facts about HR2275:


HR2275 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -13.3°
Azimuth: 77.8°
Direction: East-North-East

Celestial coordinates and finder chart of HR2275

HR2275 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 HR2275 are provided in the following table:

06h 19m 59s
-02° 56’ 39”

The simplified sky map below shows the position of HR2275 in the sky:

Finder chart HR2275 star
Simplified finder chart for HR2275.

Visibility of HR2275 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 HR2275 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: 92.9°
Max altitude: 35.6°
Azimuth: 267.1°

Digitized Sky Survey image of HR2275

The image below is a photograph of HR2275 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 HR2275 is -0.013 arcsec per year in Right Ascension and 0.004 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2275 star
DSS2 image of HR2275. The red arrow shows the motion of HR2275 during the next 10000 years (-2.17 arcmin in Right Ascension and 0.67 arcmin in declination);

Distance of HR2275 from the Sun and relative movement

HR2275 is distant 506.21 light years from the Sun and it is moving far from the Sun at the speed of 47 kilometers per second.

155.28 pc
506.21 ly
47 km/s
-0.013 arcsec/year
0.004 arcsec/year

Spectral properties of HR2275

HR2275 belongs to spectral class M1 and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where HR2275 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2275. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2275