M7III HD 207076 is probably the best southernly accessible M7III standard. Keenan45 standard: HD 182917 - M7III Keenan63 standard: HD 207076 - M7 [no luminosity class] Houk standard: HD 207076 - M7III [from MK73] MorganKeenan73 non-stan: HD 207076 - M7III: Keenan76 standard: EP Aqr - M7-III: [via Garcia89] Keenan89 standard: BK Vir - M7-III: GrayAtlas standard: BK Vir - M7-III GrayCorbally10 standard: BK Vir - M7-III # No Standard JohnsonMorgan53 and MorganKeenan73 do not list any M7III standards. # Standard EP Aqr = HD 207076 (J2146-0212; V=6.3-6.8 semiregular variable) M7III: Merrill62,MK73(non-stan),Houk(stan) M7-III:: Keenan76(via Garcia89),Keenan89(non-stan) M7: Lee47,Keenan63(stan) M6/7III: Houk99 M8III: Moore50 Listed in MK73 as M7III:, but not flagged with dagger, i.e. non-standard. # Variant BK Vir = HD 108849 (J1230+0424; V~8) M7-III: :Keenan89,GrayCorbally10 # Other HD 182917 M7III: Keenan45(standard)