Cbet nr. 3012, issued on 2012, February 04, announces the discovery of a new comet (discovery magnitude 18.3) on CCD images taken with the 0.45-m f/2.8 reflector at La Sagra, Spain on January 29.1, 2012. The apparently asteroidal object was later noted by Jaime Nomen on La Sagra images taken on Jan. 30.2 to be a possible comet with slight diffuseness. The new comet has been designated C/2012 B3 (LA SAGRA).

We performed some follow-up measurements of this object, while it was still on the neocp. Stacking of 10 R-filtered exposures, 20-sec each, obtained remotely, from the Haleakala-Faulkes Telescope North on 2012, Jan.30.6, through a 2.0-m f/10.0 Ritchey-Chretien + CCD, under good seeing conditions, shows that this object appears "soft", compared to the nearby field stars of similar brightness (stellar FWHM of 1.2").

Our confirmation image:

La Sagra
© Remanzacco Observatory
M.P.E.C. 2012-C23 assignes the following preliminary parabolic orbital elements to comet C/2012 B3: T 2011 Nov. 29.91; e= 1.00; Peri. = 49.22; q = 3.52 AU; Incl.= 106.85