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: 6:54  
clear_day Transit: 12:49  
SunsetSet: 18:43 south
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All Constellations » Cassiopeia » 

HR241

Altitude: 17.8°   Azimuth: 23.4°   Direction: North-North-East

HR241 is a main-sequence star in the constellation of Cassiopeia.

HR241 visual magnitude is 6.21. Because of its reltive faintness, HR241 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 HR241:

6.21
Main-sequence

HR241 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 17.8°
Azimuth: 23.4°
Direction: North-North-East

Celestial coordinates and finder chart of HR241

HR241 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 HR241 are provided in the following table:

00h 51m 33s
+51° 34’ 15”
122.95°
-11.3°
Cassiopeia

The simplified sky map below shows the position of HR241 in the sky:

Finder chart HR241 star
Simplified finder chart for HR241.

Visibility of HR241 from your location

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

HR241 is circumpolar and transits at 00:25 UTC (altitude: 89.9°)

Digitized Sky Survey image of HR241

The image below is a photograph of HR241 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 HR241 is -0.01 arcsec per year in Right Ascension and -0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR241 star
DSS2 image of HR241. The red arrow shows the motion of HR241 during the next 10000 years (-1.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Distance of HR241 from the Sun and relative movement

HR241 is distant 1,147.89 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

352.11 pc
1,147.89 ly
-14 km/s
-0.01 arcsec/year
-0.019 arcsec/year

Spectral properties of HR241

HR241 belongs to spectral class B9 and has a luminosity class of V corresponding to a main-sequence star.

-1.52
B9V
10125K

The red dot in the diagram below shows where HR241 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR241. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR241

SAO21775
SAO21775