Nusakan - β Coronae Borealis (beta Coronae Borealis)
Nusakan, also designated as β Coronae Borealis (beta Coronae Borealis), is a variable and double hypergiant star in the constellation of Corona Borealis.
Nusakan visual magnitude is 3.68. Because of its moderate brightness, Nusakan 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 Nusakan:
Celestial coordinates and finder chart of Nusakan
Nusakan 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 Nusakan are provided in the following table:
The simplified sky map below shows the position of Nusakan in the sky:
Visibility of Nusakan from your location
Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Today's Nusakan - β Coronae Borealis (beta Coronae Borealis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Digitized Sky Survey image of Nusakan
The image below is a photograph of Nusakan 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 Nusakan is -0.179 arcsec per year in Right Ascension and 0.086 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Nusakan from the Sun and relative movement
Nusakan is distant 113.99 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.
Spectral properties of Nusakan
Nusakan belongs to spectral class F0
The red dot in the diagram below shows where Nusakan is situated in the Hertzsprung–Russell diagram.
Nusakan star system properties
Nusakan 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 Nusakan double sysyem: