SN2011by 20110510.829 12.95R RNa USN SN2011by 20110511.861 12.94R RNa USN SN2011by 20110511.872 12.92V RNa USN SN2011by 20110516.835 13.10R RNa USN SN2011by 20110517.883 13.18R RNa USN SN2011by 20110519.863 13.28R RNa USN SN2011by 20110521.837 13.44R RNa USN SN2011by 20110521.852 13.21V RNa USN