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Follow-up of 174P/Echeclus bright phase

9 Jun 2011, 16:16 UTC
Follow-up of 174P/Echeclus bright phase
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Following the recent outburst of centaur 174P/Echeclus, we performed some follow-up of this intriguing object. Stacking of 8 unfiltered exposures 300 sec each, obtained remotely, from the Tzec Maun Observatory (near Moorook, Australia) on 2011, June 8.6, through a 0.15-m, f/7.3 refractor + CCD, shows some evolution within the coma of this object: we detected the development of a (possible) faint parabolic envelope about 45-arcsec in diameter, with the central condensation having an offset of nearly 13-arcsec to the west-southwest.Our image (click on the image for a bigger version):Unfortunately in our image the S/N of this feature is pretty low, so further follow-up and confirming images will be very welcome.by Giovanni Sostero & Ernesto Guido

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