Beta Delphini is officially called Rotanev. It was found to be a binary star in 1873. The gap between its close binary stars is visible from large amateur telescopes. To the unaided eye, it appears to be a white star of magnitude 3.6. It has a period of 27 years and is 97 light-years from Earth.
Beta Delphini is officially called Rotanev. It was found to be a binary star in 1873. The gap between its close binary stars is visible from large amateur telescopes To the unaided eye, it appears to be a white star of magnitude 3.6. It has a period of 27 years and is 97 light-years from Earth.