68 Herculis

Above the horizon. Rise: 7:14 | Tran: 16:51 | Set: 2:31

Alt: 47.50° Az: 94.24° Direction: East

68 Herculis is a variable and double main-sequence star of spectral class B1 in the constellation of Hercules.

68 Herculis visual magnitude is 4.82. Because of its moderate brightness, 68 Herculis is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of 68 Herculis. The red arrow shows the motion of 68 Herculis during the next 100000 years (-13.33 arcmin in Right Ascension and -5.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 18m 14s

Declination +33° 04’ 29”

Hour Angle 20h 25m 57s

Sideral Time 13h 44m 11s

J2000

Right Ascension 17h 17m 19s

Declination +33° 06’ 00”

Galactic Coordinates

Galactic Longitude 56.4°

Galactic Latitude 33.14°

Finder Chart

Simplified finder chart for 68 Herculis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.82

Class Main-sequence

Absolute magnitude -2.30

Spectral Type B1V

Color Index (B-V) -0.17

Temperature 12902K

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

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

Star System Properties

68 Herculis is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 68 Herculis double sysyem:

Main star magnitude 4.82

Secondary star magnitude 9.92

Magnitude difference 5.1

Separation 4.4 arcsec

Distance, Radial Speed, Proper Motion

68 Herculis is distant 864.72 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

Distance (parsec) 265.25

Distance (light year) 864.72

Radial Speed -21 km/s

Proper Motion RA -0.008 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Flamsteed designation 68 Herculis

Henry Draper Catalogue HD156633

SAO Catalogue SAO65913

Hipparcos Catalogue HIP84573

Durchmusterung Catalogue BD+33 2864

General Catalogue of Variable Stars u Her

Aitken Double Star Catalogue ADS10449

Visibility from Your Location

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

Azimuth: 56.9° RISE 7:14

Max altitude: 71.6° TRANSIT 16:51

Azimuth: 303.1° SET 2:31

Set Location

Other stars in Hercules