101_Helena | discoverer | James_Craig_Watson James_Craig_Watson | almaMater | University_of_Michigan 101_Helena | absoluteMagnitude | 8.33 James_Craig_Watson | nationality | Canada James_Craig_Watson | deathPlace | Madison,_Wisconsin
101 Helena was discovered by James Craig Watson, a Canadian national and graduate of the University of Michigan who died in Madison, Wisconsin. 101 Helena has an absolute magnitude of 8.33.