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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
SunriseRise: 6:57  
clear_day Transit: 12:11  
SunsetSet: 17:27
sunny DaytimeWhat's Visible Now?
All Constellations » Leo Minor » 

23 Leonis Minoris

Altitude: -6.1°   Azimuth: 337.5°   Direction: North-North-West

23 Leonis Minoris is a hypergiant star in the constellation of Leo Minor.

23 Leonis Minoris visual magnitude is 5.35. Because of its reltive faintness, 23 Leonis Minoris should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The proper motion of 23 Leonis Minoris is -0.075 arcsec per year in Right Ascension and -0.023 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 23 Leonis Minoris star
DSS2 image of 23 Leonis Minoris. The red arrow shows the motion of 23 Leonis Minoris during the next 10000 years (-12.50 arcmin in Right Ascension and -3.83 arcmin in declination);

Key facts about 23 Leonis Minoris

5.35
Hypergiant

23 Leonis Minoris is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.1°
Azimuth: 337.5°
Direction: North-North-West

Celestial coordinates and finder chart of 23 Leonis Minoris

23 Leonis Minoris 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 23 Leonis Minoris are provided in the following table:

10h 16m 14s
+29° 18’ 38”
199.96°
55.9°
Leo Minor

The simplified sky map below shows the position of 23 Leonis Minoris in the sky:

Finder chart 23 Leonis Minoris star
Simplified finder chart for 23 Leonis Minoris.

Visibility of 23 Leonis Minoris 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 23 Leonis Minoris 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: 60.7°
Max altitude: 67.8°
Azimuth: 299.3°

Distance of 23 Leonis Minoris from the Sun and relative movement

23 Leonis Minoris is distant 257.30 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

78.93 pc
257.30 ly
16 km/s
-0.075 arcsec/year
-0.023 arcsec/year

Spectral properties of 23 Leonis Minoris

23 Leonis Minoris belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.86
A0V
10002K

The red dot in the diagram below shows where 23 Leonis Minoris is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 23 Leonis Minoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of 23 Leonis Minoris

23 Leonis Minoris
SAO81258
SAO81258