C/2009 F6 (Yi-SWAN) observed at Taurus Hill Observatory. Posted April 16th, 2009 by Harri Haukka & filed under Comets. The research team member Markku Nissinen photgraphed the C/2009 F6 (Yi-SWAN) 8.4.2009. Observer: Markku Nissinen. « Previous Post Next Post »