Comet PANSTARRS C/2011 L4 presentation slides

Many thanks to the sources:
http://cosmiclog.nbcnews.com/_news/2013/03/11/17273389-seeing-comet-panstarrs-is-tricky-for-skywatchers-but-its-easy-online
http://pan-starrs.ifa.hawaii.edu/public/
http://en.wikipedia.org/wiki/File:Collision_d%27une_com%C3%A8te.jpg
http://pan-starrs.ifa.hawaii.edu/public/
http://www.aerith.net/comet/catalog/2011L4/2011L4.html
http://www.skyandtelescope.com/observing/highlights/Update-on-Comet-PanSTARRS-187930541.html
http://www.aerith.net/comet/catalog/2011L4/2011L4.html
http://remanzacco.blogspot.com/2012/09/new-update-on-comet-c2011-l4-panstarrs.html
http://arxiv.org/abs/1302.4621

Discovery telescope - 2011 June 6