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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: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Microscopium » 

β Microscopii (beta Microscopii)

Altitude: -45.3°   Azimuth: 88.8°   Direction: East

β Microscopii is a main-sequence star in the constellation of Microscopium.

β Microscopii visual magnitude is 6.04. Because of its reltive faintness, β Microscopii 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 β Microscopii:


β Microscopii (beta Microscopii) is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -45.3°
Azimuth: 88.8°
Direction: East

Celestial coordinates and finder chart of β Microscopii

β Microscopii is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of β Microscopii are provided in the following table:

20h 51m 58s
-33° 10’ 37”

The simplified sky map below shows the position of β Microscopii in the sky:

Finder chart β Microscopii (beta Microscopii) star
Simplified finder chart for β Microscopii (beta Microscopii).

Visibility of β Microscopii 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 β Microscopii (beta Microscopii) 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: 123.2°
Max altitude: 5.3°
Azimuth: 236.8°

Digitized Sky Survey image of β Microscopii

The image below is a photograph of β Microscopii 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 β Microscopii is 0.015 arcsec per year in Right Ascension and 0.014 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of β Microscopii (beta Microscopii) star
DSS2 image of β Microscopii. The red arrow shows the motion of β Microscopii during the next 10000 years (2.50 arcmin in Right Ascension and 2.33 arcmin in declination);

Distance of β Microscopii from the Sun and relative movement

β Microscopii is distant 661.26 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

202.84 pc
661.26 ly
-12 km/s
0.015 arcsec/year
0.014 arcsec/year

Spectral properties of β Microscopii

β Microscopii belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.


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

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

Alternative designations of β Microscopii

β Microscopii
(beta Microscopii)