Click on the image for full screen. More on

Solar Power

The gauges present the actual production at my home: left the Photo-Voltaic (PV) System, right the MicroCHP production. More information on the project site.

Star Trails


ISO200, 12mm, F/5.0, this photo has an effective exposure time of 90 minutes

The trick is not to expose one image very long, but to combine multiple photos into one image. The image above consists of 9 photos that were exposed for 10 minutes each (1.5 hour total).