M39
Observing date: 2013-12-17
Observing site: Ekerö, Sweden
Temperature: +3 °C
Telescope: William Optics Megrez 88FD
Mount: Astrotrac w/ wedge on a camera tripod
Photographic equipment: Canon EOS 600D -stock
Other optical equipment: William Optics 0.8x Field flattener, Astronomik CLS-filter
Exposure: 68x30sek, ISO 1600
Other info: Autoguided with QHY5L-II and PHD2 software through a 50mm guide scope
Processing: Stacked in Deep sky stacker and processed in Photoshop CS6
Photographer(s): Leif Ratzinger & Jakob Sagatowski