Comet C/1999 A1 (Tilbrook)
- Discovered on Jan. 12.9, it is already well visible, but may have been
more easily visible from northern hemisphere since mi-december, moving up to
5/day down in dec. from Cepheus to Pegasus, as bright at least?
- Jan. 14.24: m1 = 10.2 (+/-0.1) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
- Jan. 16.23: m1 = 10.0 (+/-0.2) Dia. 3.5', DC = 4 , 42x256 L, Dilli. (HI)
- Jan. 17.25: m1 = 10.0 (+/-0.2) Dia. 3.0', DC = 5 , 42x256 L, Dilli. (HI)