Table 4: Distance to the cluster.

Object	K0	Spec. type	Lum. class	(m-M)0	Lum. class	(m-M)0
Obj1	9.90	O5	I	15.44	V	14.31
Obj2	10.04	O5	I	15.45	V	14.48
Obj3	9.79	O4	I	15.31	V	14.48
Obj5	10.17	O5	I	15.71	V	14.59
Obj8	9.10	O4	I	14.65	-	-
Obj10	10.79	O8	-	-	V	14.41