Here is the Lagoon and Trifid that I coloured as best I could on the phone...I was able to get the stars less green...so all the other colour has to some how be content that their colour is determined only by a yellowish star attempt☺
Alex
Alex
Maybe an iPhone version of Startools might attract some interest ?
Although I suspect you would be zooming in and zoomimg out quite a bit , especially if your eye sight is poor
Martin