Please see also the Comet Rendezvous Calendar , Latest Pictures of Comets . The component A has brightened rapidly and observed as 11 mag visually. On the other hand, the component D has been very diffused, about to disappearing. It will pass by M72, M73 and NGC 7009 between Dec. 15 and 17. Only southern people can observe it.
Northern people can never see it again.
Fading our very slowly after the approach to the earth. Not observable around the perihelion passage at all. When it appears at dawn in 2000 June, it will be already fainter than 15 mag. It is getting diffused in December visually. Dec. 5 Only southern people can observe it.