I wanted to catch the streaming Ha in this area. It looks like a river delta or a flood.
It looks like currents of Ha flowing like a river.
AP 130 with quad TCC at F4.5, QHY600M, PME mount.
https://pbase.com/gregbradley/image/171999158/large regular size
https://pbase.com/gregbradley/image/171999158/original large size
Greg.