<https://stargazerslounge.com/topic/310043-has-anyone-seen-this-effect/#comment-3391334>
<http://schema.org/text>
"You could try rotating the camera between subs just to eliminate anything environmental. Does the gradient track the camera or track the sky?\n \n\n\n\tOlly\n \n"
<https://stargazerslounge.com/topic/310043-has-anyone-seen-this-effect/?tab=comments#comment-3390936>