Comet Macholz is one of the most bright comets in the past years : right now, the comet is visible with the naked eye on the evening sky for observers in the northern hemisphere. As it's now making its closest approach to planet Earth, the comet passed near the lovely Pleiades star cluster on January 7th and will pass the double star cluster in Perseus on January 27th as Machholz moves relatively quickly through the evening sky. Currently just visible to the unaided eye from dark locations, the comet should be an easy target in binoculars or a small telescope. Here's a finder chart for the comet, in case you have trouble spotting it.