M57 – Ring nebula
Observing date: 2013-05-01
Observing site: Ekerö, Sweden
Temperature: 5 °C
Telescope: Meade 12″ LX200GPS SCT
Mount: Meade fork mount
Photographic equipment: Canon EOS 600D -stock
Other optical equipment: F/6,3 focal reducer
Exposure: 97x15sek, ISO 1600
Other info: Autoguided with Meade DSI Pro and GPUSB/PHD software through a 50mm guide scope
Processing: Stacked in Deep sky stacker and processed in Photoshop CS6
Photographer(s): Leif Ratzinger & Jakob Sagatowski