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New Comet: P/2012 C3 (PANSTARRS)

17 Feb 2012, 09:33 UTC
New Comet: P/2012 C3 (PANSTARRS)
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Cbet nr. 3021, issued on 2012, February 16, announces the discovery of a new comet (discovery magnitude 21.6) by Larry Denneau and Richard Wainscoat in four exposures taken with the 1.8-m Pan-STARRS 1 telescope at Haleakala on February 15.3. The new comet has been designated P/2012 C3 (PANSTARRS). We performed some follow-up measurements of this object, while it was still on the neocp. Stacking of ten R-filtered exposures, 60-sec each, obtained remotely, from the Siding Spring-Faulkes Telescope South on 2012, Feb. 16.6, through a 2.0-m f/10.0 Ritchey-Chretien + CCD, shows that this object is a comet: faint fan-shaped tail, nearly 6-arcsec long in PA 284.Our confirmation image (click on the image for a bigger version):M.P.E.C. 2012-D03 assignes the following preliminary parabolic orbital elements to comet P/2012 C3: T 2011 Oct. 11.99; e= 0.61; Peri. = 346.39; q = 3.67 AU; Incl.= 9.38by Nick Howes, Giovanni Sostero & Ernesto Guido

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