Cometary Science Newsletter Issue 17 September 2016 http://www.cometarysciencenews.org/ - Post-doctoral position: Rosetta infrared molecular data - Comet Notes + 174P/Echeclus - Refereed Journal Papers + The primordial nucleus of comet 67P/Churyumov-Gerasimenko, Davidsson et al. + Optical Spectroscopy of Comet C/2014 Q2 (Lovejoy) from MIRO, Kumar et al. -- The Cometary Science Newsletter is dedicated to sharing and furthering cometary science. CSN invites contributions from the astronomical and planetary science communities, including abstracts of papers accepted for publication in refereed journals, thesis abstracts, timely notes on particular comets, conference announcements, job announcements, or other relevant and brief scientific communications. Relevant topics include observational, theoretical, and laboratory work concerning comets, but also may include studies of associated phenomena, such as Centaurs, asteroid-comet transition objects, debris disks, and protoplanetary disks.