AR 5060: An Ative Region with Large Comeplex Sunspot group but without intense flares

AR 5060 was second target AR of the coordinated Observation Interval Ⅲ(June 24-July 7,1988). It firstly appeared on east limb of the sun on June 25 and disappeared on west limb of the sun on July 8. During the two weeks the sunspot group still remained the most complex FKC, EKC type and most complex BGD magnetic configuration.