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
The discoverer of 101 Helena is James Craig Watson, a Canadian, whose Alma mater is the University of Michigan. He died in Madison, Wisconsin. 101 Helena has an absolute magnitude of 8.33.