When it appears at dawn in 2000 June, it will be already fainter than 15 mag. It is brightest now. Dec. 5 Only southern people can observe it. It will appear again in 2000 August as 13 mag. Only southern people can observe it.
Northern people can never see it again.
Now at the peak. It is around 13 mag visually. It keeps 15 mag until April. It is about 13.5 mag visually. It will be 3 mag in 2000 July.