Comet C/2009 F6 (Yi-SWAN) was photographed at Taurus Hill Observatory 25./26.4.2009 just after the sunset. The comet was visible in the northern sky before the midnight. The comet was about 9 magnitudes bright at the moment of the photographing, but due the light sky and difficult position it was only visible in the CCD -pictures.
Observers: Veli-Pekka Hentunen and Markku Nissinen.