This was my first time lapse attempt using Lee Filter's new accessory for GoPros: the Bug filter system. I've always had an issue with the fact that my sunset/sunrise time lapses always have a dark foreground when the GoPro adjusts to the brightness of the sunrise/sunset. Enter the Lee Bug system which offers a 2 -stop hard edge ND filter for use with your GoPro Hero 3 (and 3+).
Unfortunately, this sunset didn't really give a good test of the filter system. You'll see a "flash" of sunset color across Dome Peak in the background but most of the sunset color was back behind me towards the west. I should have moved the GoPro!