% R.A. (o) Dec. (o) Err. (mas) Corr. Del. % Uncertainty in R.A. is NOT in R.A. cos(Dec.)!!!! 50155.831 251.218468784917 18.221454973444 0.6313 1.3466 -0.338 56 57046.458 251.218468263500 18.221455098083 0.2034 0.3976 -0.418 68 58216.836 251.218468255292 18.221455337444 0.1592 0.2769 -0.309 130 58635.004 251.218468328583 18.221455463722 0.2995 0.7323 0.258 108