{ a = 45/360*2*3.14159 x = $1*(-1) xx = x*cos(a)+$2*sin(a) yy = $2*cos(a)-x*sin(a) dec1 = 36+37/60+24.0/3600+yy/3600 ra1 = 10+52/60+32.5/3600+xx/3600/cos(dec1/360*2*3.14159)/360*24 dec2 = 36+38/60+yy/3600 ra2 = 10+52/60+35.0/3600+xx/3600/cos(dec2/360*2*3.14159)/360*24 dec3 = 36+37/60+yy/3600 ra3 = 10+52/60+30.0/3600+xx/3600/cos(dec3/360*2*3.14159)/360*24 printf ("%9.8f %9.7f %9.8f %9.7f %9.8f %9.7f \n",ra1,dec1,ra2,dec2,ra3,dec3) }