3 x 20 min = 60 min exposure of Ursa Major through a 17-40/4L lens at ca 17mm and stopped down to F5.6. There is something funny with the polar-alignment or the guiding which makes the stars in the lower left corner not look good.
Tag: ursa major
Ursa Major
17mm F/5.6 lens, 6x10min exposure at iso800