77 Herculis is a main-sequence star in the constellation of Hercules.
77 Herculis visual magnitude is 5.85. Because of its reltive faintness, 77 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 77 Herculis:
Celestial coordinates and finder chart of 77 Herculis
77 Herculis is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 77 Herculis are provided in the following table:
The simplified sky map below shows the position of 77 Herculis in the sky:
Visibility of 77 Herculis from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
77 Herculis is circumpolar and transits at 05:36 UTC (altitude: 86.8°)
Digitized Sky Survey image of 77 Herculis
The image below is a photograph of 77 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 77 Herculis is 0.002 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of 77 Herculis from the Sun and relative movement
77 Herculis is distant 363.03 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.
Spectral properties of 77 Herculis
77 Herculis belongs to spectral class A4 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where 77 Herculis is situated in the Hertzsprung–Russell diagram.