I 5510 catalogued as Ζ but reference in the book ΜΣ. south 591 ... 9 Apr 1953
west 588 Horizontal (normal) ... 9 Apr 1953
1043 ... 11 Apr 1953
I 5510 catalogued as Ζ but reference in the book ΜΣ. south 1060 ... 20 Apr 1953
north 1691 ... 24 Jun 1967
west 1825 ... July 1967
west 1701 ... July 1967
west 1727 ... July 1967