When it appears at dawn in 2000 June, it will be already fainter than 15 mag. It will be 11 mag in January. 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.
It has got diffused in December and now fading rapidly. It will appear at dawn in 2000 January. Because it is far away, it keeps 14 mag until late 2000, while Northern people can observe it under good condition. It is diffused. It will be 3 mag in 2000 July.