It passed only 0.4 A.U. from the earth, and 0.8 A.U. from the sun in November and December, and brightened up to 4.7 mag (Nov. 28, Juan Jose Gonzalez). Now it is 6.2 mag (Jan. 11, Katsumi Yoshimoto). In the Northern Hemisphere, it keeps observable in excellent condition for a long time until 2014 autumn when the comet will fade out. In the Southern Hemisphere, it is not be observable from mid November to early February.
Click the finder charts to learn more.