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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: 7:44  
clear_day Transit: 11:48  
SunsetSet: 15:51 south
wb_twilight Astronomical TwilightWhat's Visible Now?
All Constellations » Hercules » 

97 Herculis

Altitude: 32.9°   Azimuth: 266.1°   Direction: West

97 Herculis is a main-sequence star in the constellation of Hercules.

97 Herculis visual magnitude is 6.21. Because of its reltive faintness, 97 Herculis 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 97 Herculis:


97 Herculis is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 32.9°
Azimuth: 266.1°
Direction: West

Celestial coordinates and finder chart of 97 Herculis

97 Herculis 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 97 Herculis are provided in the following table:

18h 02m 30s
+22° 55’ 23”

The simplified sky map below shows the position of 97 Herculis in the sky:

Finder chart 97 Herculis star
Simplified finder chart for 97 Herculis.

Visibility of 97 Herculis 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 97 Herculis 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: 67.1°
Max altitude: 61.4°
Azimuth: 292.9°

Digitized Sky Survey image of 97 Herculis

The image below is a photograph of 97 Herculis 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 97 Herculis is -0.004 arcsec per year in Right Ascension and -0.008 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of 97 Herculis star
DSS2 image of 97 Herculis. The red arrow shows the motion of 97 Herculis during the next 100000 years (-6.67 arcmin in Right Ascension and -13.33 arcmin in declination);

Distance of 97 Herculis from the Sun and relative movement

97 Herculis is distant 674.95 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

207.04 pc
674.95 ly
-36 km/s
-0.004 arcsec/year
-0.008 arcsec/year

Spectral properties of 97 Herculis

97 Herculis belongs to spectral class B3 and has a luminosity class of V corresponding to a main-sequence star.


The red dot in the diagram below shows where 97 Herculis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 97 Herculis. Attribution: Richard Powell / CC BY-SA

Alternative designations of 97 Herculis

97 Herculis