The next work and graphics this is based in 61 magnitudes visuals from the International Comet Quaterly and spanish list observadorescometas from yahoogrouops.com , J.P.Navarro Pina , author have analyzed and calculate the parameters photometricals of the comet C/2009 K5 McNaught , resumen two graphics , the first show the magnitudes visuals axis y , and axis x days from perihelio , and the second show magnitude reduced ( m1 = mv - 5log delta ) and distance heliocentric , the comet is high brightness from post-perihelio before pre-perihelio , probably the post-perihelio show different hemisphere nucleus .
