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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: 7:50  
clear_day Transit: 11:50  
SunsetSet: 15:49 south
wb_twilight Nautical TwilightWhat's Visible Now?
All Constellations » Leo Minor » 

30 Leonis Minoris

Altitude: -4.4°   Azimuth: 353.4°   Direction: North

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

30 Leonis Minoris visual magnitude is 4.74. Because of its moderate brightness, 30 Leonis Minoris 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 30 Leonis Minoris:


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

Altitude: -4.4°
Azimuth: 353.4°
Direction: North

Celestial coordinates and finder chart of 30 Leonis Minoris

30 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 30 Leonis Minoris are provided in the following table:

10h 25m 54s
+33° 47’ 45”
Leo Minor

The simplified sky map below shows the position of 30 Leonis Minoris in the sky:

Finder chart 30 Leonis Minoris star
Simplified finder chart for 30 Leonis Minoris.

Visibility of 30 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 30 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: 56.2°
Max altitude: 72.3°
Azimuth: 303.8°

Digitized Sky Survey image of 30 Leonis Minoris

The image below is a photograph of 30 Leonis Minoris 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 30 Leonis Minoris is -0.07 arcsec per year in Right Ascension and -0.061 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 30 Leonis Minoris star
DSS2 image of 30 Leonis Minoris. The red arrow shows the motion of 30 Leonis Minoris during the next 10000 years (-11.67 arcmin in Right Ascension and -10.17 arcmin in declination);

Distance of 30 Leonis Minoris from the Sun and relative movement

30 Leonis Minoris is distant 206.85 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

63.45 pc
206.85 ly
14 km/s
-0.07 arcsec/year
-0.061 arcsec/year

Spectral properties of 30 Leonis Minoris

30 Leonis Minoris belongs to spectral class F0 and has a luminosity class of V corresponding to a hypergiant star.


The red dot in the diagram below shows where 30 Leonis Minoris is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of 30 Leonis Minoris. Attribution: Richard Powell / CC BY-SA

Alternative designations of 30 Leonis Minoris

30 Leonis Minoris