Last night just after sundown I took 16 shots with a wide angle lens of the Big Dipper setting over Phoenix Mountain Preserve. These were stacked and processed with PixInsight. I shot this with a Nikon D810, 18 mm lens, ISO 2000 at F 5.6. Each exposure was three seconds. Here's the link Albert https://www.flickr.com/photos/49526053@N04/15018579301/in/photostream/lightbox/ -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.