lunes, 12 de abril de 2010

Analysis by isophotes of comet C/2007 W1

Analysis by isophotes of coma of comet C/2007 W1 , this image this based in preliminar image processed CCD from "Observatorio Astronomico Vega del Thader"
El Palmar , Murcia , Spain , your author is J.P.Navarro Pina , the image calculate the velocity expansion of coma based in distances of lines of contours , and calculate column density grains of dust in the coma of the comet C/2007 W1 , the next publication of results for this work .

Update Analysis Light Curve C/2021 A1 LEONARD A1

 My second analysis of the light curve of comet C / 2021 A1 LEONARD, indicates in T-300, a stagnation in the rate of increase in brightness ...