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.
Only southern people can observe it. Northern people can never see it again. Fading out very slowly after the approach to the earth, however, it faded out rapidly in December. Now at the peak. It is around 13 mag visually.