PTFa81 C2013 03 15.26169 13 17 28.14 +31 12 33.1 I41 PTFa81 C2013 03 15.27285 13 17 27.74 +31 12 48.1 I41 PTFa81 C2013 03 15.29536 13 17 26.90 +31 13 18.2 I41