BIRS event data: 2013 12 17 from 013100 to 023000
Odd feature near midday, Culgoora saw something similar, presumably not solar (nothing at Learmonth)
IDL save set of data: idlsave.BIRS_20131217_013100
Postscript figure: 20131217_013100.ps
PNG image: 20131217_013100_BIRS.png