Alqueva Polaris Startrail

A startrail around the polaris star, where we could see a lot of many trails with different colors, due to the real color of each star. The image was captured in Monsaraz, in the Dark Sky Reserve.

Canon 50D – ISO2000; 10mm; f/4, 30 secs. Sum of 157 images, with a total integration of 78.5 minutes. Taken in