Fig. 25: Star trails above the tank shooting place on Gurnigel during a star party. It's a composite of 100 pictures with 25 seconds exposure time and an interval of 30 seconds. Sensor sensitivity set to ISO 6400. Color temperature 3200 Kelvin. Total of 272 images were used to create a timelapse. The sensitivity is too high and the sensor noise too strong. Nikon D3; Δt=25 s; f=17 mm; f/4.0; ISO 6400; 23 August 2009 00:25:14
