68 Ophiuchi
68 Ophiuchi is a variable and double main-sequence star in the constellation of Ophiuchus.
68 Ophiuchi visual magnitude is 4.45. Because of its moderate brightness, 68 Ophiuchi should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about 68 Ophiuchi:
Celestial coordinates and finder chart of 68 Ophiuchi
68 Ophiuchi 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 68 Ophiuchi are provided in the following table:
The simplified sky map below shows the position of 68 Ophiuchi in the sky:
Visibility of 68 Ophiuchi from your location
Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London
Today's 68 Ophiuchi rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of 68 Ophiuchi
The image below is a photograph of 68 Ophiuchi 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 68 Ophiuchi is 0.015 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 68 Ophiuchi from the Sun and relative movement
68 Ophiuchi is distant 264.83 light years from the Sun and it is moving far from the Sun at the speed of 6 kilometers per second.
Spectral properties of 68 Ophiuchi
68 Ophiuchi belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where 68 Ophiuchi is situated in the Hertzsprung–Russell diagram.
68 Ophiuchi star system properties
68 Ophiuchi is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the 68 Ophiuchi double sysyem: