Sun-rise

Pictures of early morning Sun rise. Settings used on my Iphone 5 are 1) F-stop: f/2.4, exposure: 1/1695, ISO-50. 2) F-stop: f/2.4, exposure: 1/4184, ISO-50. 3) F-stop: f/2.4, exposure: 1/1004, ISO-100. Please comment to let me know if I could have done anything different with these picture or if you have an idea for a subject what I should take pictures off then let me know as well.