
To fit the parameters of the
black hole orbit we need 5 well-timed
maxima.
The outbursts in 1948,
1960,1972, 1983 & 1994 seemed to fit
the bill.
The 1994 outburst was the
best observed one ever and tied the model
down very tightly.
But, suppose that the 1994
outburst was a mistake?
