M9III

Turnshek85 standard:     R Leo (=HR 3882) - M9III
	   		 R CVn (=HR 5199) - M9+III
GrayCorbally10 standard: R Leo (=HR 3882) - M9:III

# No Standards

JohnsonMorgan53 and MorganKeenan73 do not list M9III standards. 

# Primary standard

R Leo = HR 3882 = HD 84748 [extremely variable] 
  M9III: Turnshek85(stan)
  M9:III: GrayCorbally10

# Variant

R CVn = HR 5199 = HD 120499 [extremely variable]
  M9+III: Turnshek85(stan)