I added some SII to this last night and processed it this morning. I have 13 hours, all 20 minute exposures. I put extra time on OIII to bring out some more blue. This is unusual, compared to what Iâve seen but I do like the colors. Albert https://www.flickr.com/photos/49526053@N04/16096178802/ <https://www.flickr.com/photos/49526053@N04/16096178802/> -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.