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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 6:44  
clear_day Transit: 12:51  
SunsetSet: 18:57 south
wb_twilight Nautical TwilightWhat's Visible Now
All Constellations » Delphinus » 

10 Delphini

Altitude: 49.0°   Azimuth: 146.1°   Direction: South-East

10 Delphini is a variable giant star in the constellation of Delphinus.

10 Delphini visual magnitude is 5.99. Because of its reltive faintness, 10 Delphini 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 10 Delphini:

5.99
Giant

10 Delphini is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 49.0°
Azimuth: 146.1°
Direction: South-East

Celestial coordinates and finder chart of 10 Delphini

10 Delphini is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 10 Delphini are provided in the following table:

20h 41m 16s
+14° 34’ 59”
59.4°
-16.4°
Delphinus

The simplified sky map below shows the position of 10 Delphini in the sky:

Finder chart 10 Delphini star
Simplified finder chart for 10 Delphini.

Visibility of 10 Delphini 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 10 Delphini 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: 75.4°
Max altitude: 53.1°
Azimuth: 284.6°

Digitized Sky Survey image of 10 Delphini

The image below is a photograph of 10 Delphini 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 10 Delphini is -0.006 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 10 Delphini star
DSS2 image of 10 Delphini. The red arrow shows the motion of 10 Delphini during the next 100000 years (-10.00 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of 10 Delphini from the Sun and relative movement

10 Delphini is distant 488.02 light years from the Sun and it is moving towards the Sun at the speed of 32 kilometers per second.

149.70 pc
488.02 ly
-32 km/s
-0.006 arcsec/year
0.002 arcsec/year

Spectral properties of 10 Delphini

10 Delphini belongs to spectral class K4

0.11
K4
4232K

The red dot in the diagram below shows where 10 Delphini is situated in the HertzsprungÔÇôRussell diagram.

HR Diagram
H-R diagram showing the position of 10 Delphini. Attribution: Richard Powell / CC BY-SA

Alternative designations of 10 Delphini

10 Delphini
SAO106384
SAO106384