Aurora alert - Kp 7 => clouds moonlight and other forms of light polution

Actually I took these 4 shots on Thanksgiving Monday, all at ISO 200 and 1/200 sec but
at different F/ratios. The secondary crop was from the original in each case.

F/10

F/11

F/13

F/14

Date 10 Oct 2016 at 17:05 for the 1st three, 17:06 for the last. Paint Shop Pro was used for post exposure processing. Pentax camera Sigma 18-200 lens

W O B