Last night I got 2.5 hours of 300 second images on the Rosette and Christmas Tree Cluster using my Canon 60 DA at 70mm, F5.6 ISO800. I have an Ha filter for this camera ordered and Iâd like to get some Ha on this FOV. Might turn out to be a really cool image. Albert https://www.flickr.com/photos/49526053@N04/16341896528/ <https://www.flickr.com/photos/49526053@N04/16341896528/> -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.