B6III The best B6III standard (southernly accessible or otherwise) is 17 Tau JM53 standard: 17 Tau - B6III Lesh68 standard: 17 Tau - B6III # No standard MK43, Garrison67, Hiltner69, Cowley69, Garrison77, and Houk do not list a B6III standard. # Primary standard 17 Tau = HD 23302 = HR 1142 = Cl Melotte 22 468 (J0344+2406; V=3.7) B6III: Miczaika51,JM53,Mendoza56,Lesh68(stan),Abt78,Slettebak82 B6: Binnendijk46,Mendoza58 B9III:: Herman59