Lbn 762 with an intruder: periodic comet C/2015 ER61 https://www.flickr.com/photos/17910585@N06/38631294956/in/album-72157662167213281/ LRGB taken from Arizona sky at San Pedro Valley Observatory; Takahashi TSA 102 and Sbig STXL 16200; the composition has tried to compensate for the rapid moviment of the comet with a double processing: one for the comet and one for the nebula.