T Coronae Borealis
T CrB is a famous recurrent nova of spectral class B . It is a double star system made of a red giant and a white dwarf orbiting in 228 days. T CrB is usually around magnitude 10 however during outbursts it can reach magnitude 2. Previous outbursts have been observed in 1866 and 1946 and some studies suggest that a new outburst might happen in the second half of 2024.
Waiting for the Next Outburst
Monitor the most recent measurements of T Coronae Borealis visual magnitude:

Celestial Coordinates
Apparent
J2000
Galactic Coordinates
Finder Chart

Magnitude, Color, Spectral Class
Alternative Designations
Visibility from Your Location
Today's T Coronae Borealis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):