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 .

Search Correlation rotation period versus diameter C/2020 F3 NEOWISE .

Based in next telegram : ATEL #13945                                                          ATEL #13945 Title:  Rotation of Comet C/2020 F...