68 Aquilae

Below the horizon. Rise: 16:02 | Tran: 21:44 | Set: 3:30

Alt: -38.35° Az: 28.73° Direction: North-North-East

68 Aquilae is a double main-sequence star of spectral class B9 in the constellation of Aquila.

68 Aquilae visual magnitude is 6.13. Because of its faintness, 68 Aquilae 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.

DSS2 image of 68 Aquilae. The red arrow shows the motion of 68 Aquilae during the next 10000 years (3.83 arcmin in Right Ascension and -2.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 29m 42s

Declination -03° 16’ 28”

Hour Angle 13h 28m 43s

Sideral Time 09h 58m 26s

J2000

Right Ascension 20h 28m 24s

Declination -03° 21’ 28”

Galactic Coordinates

Galactic Longitude 41.36°

Galactic Latitude -23.05°

Finder Chart

Simplified finder chart for 68 Aquilae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.13

Class Main-sequence

Absolute magnitude -0.03

Spectral Type B9V

Color Index (B-V) -0.06

Temperature 10941K

The red dot in the diagram below shows where 68 Aquilae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 68 Aquilae. Attribution: Richard Powell / CC BY-SA

Star System Properties

68 Aquilae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the 68 Aquilae double sysyem:

Main star magnitude 6.13

Secondary star magnitude 13.83

Magnitude difference 7.7

Separation 9.8 arcsec

Distance, Radial Speed, Proper Motion

68 Aquilae is distant 557.26 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 170.94

Distance (light year) 557.26

Radial Speed -9 km/s

Proper Motion RA 0.023 arcsec/y

Proper Motion Dec -0.015"/y

Alternative Designations

Flamsteed designation 68 Aquilae

Henry Draper Catalogue HD194939

SAO Catalogue SAO144468

Hipparcos Catalogue HIP100977

Durchmusterung Catalogue BD-03 4906

Visibility from Your Location

Today's 68 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 93.3° RISE 16:02

Max altitude: 35.2° TRANSIT 21:44

Azimuth: 266.7° SET 3:30

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aquila