Tips
Lecture: Distanzen im Universum - Gravitationslinsen (Nov 2019)
Lecture: Astrofotografie - Faszination des Nachthimmels (Nov 2017)
Review: Nikon D810A (Jan 2016)
Nikon D810A Images from Chile (Jan 2015)
official testing
Review: SBIG STX-16803 (2010)
Processing comet raw frames (2009)
Namibia 2008 images
Namibia 2006 images
Namibia 2004
Aurora show from Nov 20 2003