Not the comet Hyakutake
...but the ingoing slew onto Cyg X-1.
The MECS was kept on during the manoeuvre.
sax.iasf-milano.inaf.it/Sax/comet.html :: original creation 1996 Jun 28 18:12:13 CEST :: last edit 1996 Jun 28 18:12:13 CEST