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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: 7:41  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sleep NighttimeWhat's Visible Now?
All Constellations » Gemini » 


Altitude: 49.1°   Azimuth: 225.3°   Direction: South-West

HR2277 is a giant star in the constellation of Gemini.

HR2277 visual magnitude is 6.35. Because of its reltive faintness, HR2277 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 HR2277:


HR2277 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.1°
Azimuth: 225.3°
Direction: South-West

Celestial coordinates and finder chart of HR2277

HR2277 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 HR2277 are provided in the following table:

06h 21m 25s
+17° 45’ 48”

The simplified sky map below shows the position of HR2277 in the sky:

Finder chart HR2277 star
Simplified finder chart for HR2277.

Visibility of HR2277 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 HR2277 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: 72.2°
Max altitude: 56.3°
Azimuth: 287.8°

Digitized Sky Survey image of HR2277

The image below is a photograph of HR2277 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 HR2277 is 0.019 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 HR2277 star
DSS2 image of HR2277. The red arrow shows the motion of HR2277 during the next 10000 years (3.17 arcmin in Right Ascension and -6.50 arcmin in declination);

Distance of HR2277 from the Sun and relative movement

HR2277 is distant 417.41 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

128.04 pc
417.41 ly
10 km/s
0.019 arcsec/year
-0.039 arcsec/year

Spectral properties of HR2277

HR2277 belongs to spectral class G9


The red dot in the diagram below shows where HR2277 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR2277. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2277