Night sky with iPhone/DSLR. Is the iPhone cheating? We are enjoying clear winter nights with stars and planets visible at naked eye. I can easily shoot acceptable photos (see attached examples) with my iPhone’s 48mm (2x) camera set to 10s manual shutter speed and by standing still without a tripod. Encouraged by such results, I took out my D3100 with the 70-300mm and put it on a tripod, set to se…