For this assignment we were required to take photos in one location from sunset to full darkness so that we could experience the changing light and the adjustments we needed to make to our settings.
I found this chart when I was checking the time of sunset on the day. It shows the times of Civil, Nautical and Astro Twilight.
I started shooting at 7.12 pm and took about 35 photos until 7.47 pm when it became impossible for my camera to capture any image, regardless of what settings I chose.
7.12 pm 1/160 f6.4 ISO 400
Within five minutes I had to widen the aperture and Increase the ISO:
7.17 pm 1/130 f6.3 ISO 800
From 7.18 pm I had to use the widest aperture on my camera f5.6
7.18 pm 1/320 f5.6 ISO 800
At 7.19 pm I increased the ISO to 1600 but that made the image too bright and washed out the colours.
7.19 pm 1/320 f5.6 ISO 1600
I tried including some foreground after that and adjusted the shutter speed and ISO settings to try to get a true representation of the colours – f5.6 aperture being the widest on my camera used for all.
7.27 pm 1/100 f5.6 ISO 1600
From then until the end of Civil Twilight at 7.34 pm I turned the ISO up to 800 and adjusted the shutter speed to between 1/30 and 1/100.
7.34 pm 1/30 f5.6 ISO 800
After that, while I was shooting in Nautical Twilight, I increased the ISO to 3200 and adjusted the shutter speed to between 1/25 and 1/160
7.47 pm 1/25 f5.6 ISO 3200
My camera didn’t make it to the end of Nautical Twilight, which is probably just as well as it was past dinner time and we were hungry!