Comets C/2006 D5, 2006 D6, 2006 E3, 2006 E4 (soho) Hoenig, S. ; Farmer, S., Jr. ; Su, H. ; Hoffman, T. ; Battams, K. ; Marsden, B. G. Abstract Publication: Minor Planet Electronic Circulars Pub Date: May 2006 Bibcode: 2006MPEC....K...09H