Astronomy Picture of the Day . ... 15.01.2007 . ... Fascinated sky enthusiasts in the Earth's northern hemisphere were treated to an instantly visible comet head and a faint elongated tail near sunrise and sunset. ... The unexpectedly bright comet should remain visible to observers in the southern hemisphere with unaided eyes for the rest of January. ... Publications with keywords: Comet McNaught . Publications with words: Comet McNaught . ... Comet McNaught Becoming Visible to the Unaided Eye . ...