M41, A Winter Favourite Four degrees due south of Sirius, you'll find the fine open star cluster M41. With a mix of hot blue-white stars and a few red giants, this cluster presents a range of contrasting colour and brightness. In dark skies, you can see this cluster with the naked eye. But it looks best at low power in a modest telescope or pair of binoculars. It's primed for viewing in the late evening this time of year.