29p 20170607 jdrummond

stacked image (North = up) – 30 x 1 minute subs. Based on 29P’s distance (804,444,360 km) and angular spread of ~140”, the coma diameter is ~549,000 km.
 (35cm SCT, STL11000M CCD, stacks of 5 x 1 minute, 0.5”/pixel,