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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: 7:47  
clear_day Transit: 11:49  
SunsetSet: 15:50 south
sleep NighttimeWhat's Visible Now?
All Constellations » Microscopium » 

δ Microscopii (delta Microscopii)

Altitude: 3.1°   Azimuth: 209.1°   Direction: South-South-West

δ Microscopii is a hypergiant star in the constellation of Microscopium.

δ Microscopii visual magnitude is 5.68. Because of its reltive faintness, δ 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 δ Microscopii:


δ Microscopii (delta Microscopii) is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 3.1°
Azimuth: 209.1°
Direction: South-South-West

Celestial coordinates and finder chart of δ Microscopii

δ 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 δ Microscopii are provided in the following table:

21h 06m 01s
-30° 07’ 29”

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

Finder chart δ Microscopii (delta Microscopii) star
Simplified finder chart for δ Microscopii (delta Microscopii).

Visibility of δ 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 δ Microscopii (delta 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: 120.1°
Max altitude: 8.4°
Azimuth: 239.9°

Digitized Sky Survey image of δ Microscopii

The image below is a photograph of δ 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 δ Microscopii is 0.041 arcsec per year in Right Ascension and -0.068 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of δ Microscopii (delta Microscopii) star
DSS2 image of δ Microscopii. The red arrow shows the motion of δ Microscopii during the next 10000 years (6.83 arcmin in Right Ascension and -11.33 arcmin in declination);

Distance of δ Microscopii from the Sun and relative movement

δ Microscopii is distant 331.64 light years from the Sun and it is moving far from the Sun at the speed of 22 kilometers per second.

101.73 pc
331.64 ly
22 km/s
0.041 arcsec/year
-0.068 arcsec/year

Spectral properties of δ Microscopii

δ Microscopii belongs to spectral class K0 and has a luminosity class of III corresponding to a hypergiant star.


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

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

Alternative designations of δ Microscopii

δ Microscopii
(delta Microscopii)