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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:43 
Transit: 13:01 
Sunset: 21:19
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All Constellations » Delphinus » 

η Delphini (eta Delphini)

Below the horizon.  Rise: 20:31 | Tran: 3:40 | Set: 10:46
Alt: -17.43°   Az: 39.08°   Direction: North-East

η Delphini is a variable sub-giant star of spectral class A3 in the constellation of Delphinus.

η Delphini visual magnitude is 5.38. Because of its faintness, η Delphini is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of η Delphini (eta Delphini) star
DSS2 image of η Delphini. The red arrow shows the motion of η Delphini during the next 10000 years (12.00 arcmin in Right Ascension and 4.33 arcmin in declination);

Celestial Coordinates

Apparent

20h 35m 09s
+13° 06’ 56”
14h 32m 33s
11h 07m 42s

J2000

20h 33m 56s
+13° 01’ 37”

Galactic Coordinates

57.02°
-15.8°

Finder Chart

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Finder chart for η Delphini (eta Delphini).

Magnitude, Color, Spectral Class

5.38
Sub-giant

1.76
A3IV
9328K

The red dot in the diagram below shows where η Delphini is situated in the Hertzsprung–Russell diagram.

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

Distance, Radial Speed, Proper Motion

η Delphini is distant 172.94 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.

53.05
172.94
-25 km/s
0.072 arcsec/y
0.026"/y

Alternative Designations

η Delphini
(eta Delphini)
SAO106248
SAO106248

Visibility from Your Location

Today's η Delphini (eta Delphini) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.9°
Max altitude: 51.6°
Azimuth: 283.1°