http://stardate.org/nightsky C/2012 S1 will come to perihelion (closest approach to the Sun) on 28 November 2013 at a distance of 0.0124 AU (1860000 km; 1,…
http://stardate.org/nightsky C/2012 S1 will come to perihelion (closest approach to the Sun) on 28 November 2013 at a distance of 0.0124 AU (1860000 km; 1,…