Found this reference to the NGC in an article about the F12. In my opinion they should have been
comparing it to the F89. The NGC was built from 73 to 78,and the F12 only came out in 1977. 
Found this reference to the NGC in an article about the F12. In my opinion they should have been
comparing it to the F89. The NGC was built from 73 to 78,and the F12 only came out in 1977.