Turtle six(α CrA), i.eSouthern Corona alpha, YesSouthern CoronaA star of.Its unique astronomical name isAlphekka MeridianaorAlfecca Meridiana[1]。The apparent star magnitude of Bieliu is 4.08, and its B1950.0 coordinate is 19h 06min 04.3580136s, declination - 37 ° 59 ′ 03.394892 ″[2]。