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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: 7:48  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sunny DaytimeWhat's Visible Now?
All Constellations » Monoceros » 

HR2422

Altitude: -2.9°   Azimuth: 283.6°   Direction: West-North-West

HR2422 is a variable star in the constellation of Monoceros.

HR2422 visual magnitude is 6.06. Because of its reltive faintness, HR2422 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 HR2422:

6.06

HR2422 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -2.9°
Azimuth: 283.6°
Direction: West-North-West

Celestial coordinates and finder chart of HR2422

HR2422 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 HR2422 are provided in the following table:

06h 37m 24s
+06° 08’ 07”
205.87°
-0.31°
Monoceros

The simplified sky map below shows the position of HR2422 in the sky:

Finder chart HR2422 star
Simplified finder chart for HR2422.

Visibility of HR2422 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 HR2422 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: 83.9°
Max altitude: 44.7°
Azimuth: 276.1°

Digitized Sky Survey image of HR2422

The image below is a photograph of HR2422 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 HR2422 is 0.006 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of HR2422 star
DSS2 image of HR2422. The red arrow shows the motion of HR2422 during the next 100000 years (10.00 arcmin in Right Ascension and -1.67 arcmin in declination);

Distance of HR2422 from the Sun and relative movement

HR2422 is distant 32,600,000.00 light years from the Sun and it is moving far from the Sun at the speed of 25 kilometers per second.

10,000,000.00 pc
32,600,000.00 ly
25 km/s
0.006 arcsec/year
-0.001 arcsec/year

Spectral properties of HR2422

HR2422 belongs to spectral class O8

-23.94
O8
9542K

The red dot in the diagram below shows where HR2422 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2422. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2422

SAO114146
SAO114146