Scarborough, North Yorkshire
iPhone (and attachment) mounted to standard camera tripod using the NightCap app set to Star Trail mode.
Star Trails taken 16/12/2017 using iPhone, standard camera tripod (with iPhone attachment) and NightCap app set to Star Trails mode, ISO 1,250. Edited with Snapseed app to enhance the trails (at the expense of a little more noise unfortunately).
Lots of airplanes âœˆï¸ thrown in there too!