Planetary Rotation

Star trails (due to Earth’s planetary rotation), from just over 2.25 hours of exposure. The view is looking NW from our garden in N. Wales. Thanks to our dark skies, the location can be a good place for amateur astronomy.

The stars appear to rotate around the celestial pole (upper right).

Star trails from just over 2.25 hours of exposure - looking NW from our garden in N. Wales.
Star trails from just over 2.25 hours of exposure – looking NW from our garden in N. Wales.
  • Aperture: ƒ/3.3
  • Credit: AnnMarie Jones
  • Camera: COOLPIX B700
  • Caption: Star trails from just over 2.25 hours of exposure - looking NW from our garden in N. Wales.
  • Focal length: 4.3mm
  • ISO: 100
  • Keywords: AstroPhotography, Landscape, Mountain, Sky, Star Trails, Stars & Wide Field
  • Shutter speed: 25s
  • Title: Dark Skies

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