Dear Colleagues, of course, by experience, I recommend to check the color index of the source. Also Didier did not tell much about the technique used to image the object... more info should be very useful. Regards, Gianluca -- *********************************************************************** * Gianluca Masi "Two things fill the soul * * Via Madonna de Loco, 47 with awe and reverence [...]: * * 03023 Ceccano (FR) the starry sky above me and * * ITALY the moral law within me" * * e-mail: gianmasi@fr.flashnet.it * * web: http://vsnet.eurolink.it/comets/ I. Kant * * Minor Planet Center Obs. Code: 470 - Ceccano * * Center for Backyard Astrophysics - Italy * * VSNET Collaboration Team member * ***********************************************************************