Arp 188 is in the class Narrow Filaments. The significant part of the
Atlas note is "disturbance inside W arm, filament may originate there".
Arp 188 is also cataloged as UGC 10214. The E type southwest of Arp 188 is
I used a borrowed StarlightXpress MX916 for this image.
|10-inch Newtonian, StarlightXpress MX916, 40 minutes, 15.8' x 20.9'|