M1 – Crab nebula
Observing date: 2013-10-11
Observing site: Ekerö, Sweden
Temperature: 7 °C
Telescope: Skywatcher Equinox 80ED
Mount: Meade fork mount
Photographic equipment: Canon EOS 500D
Other optical equipment: William optics 0,8X field flattener, Astronomik CLS filter
Exposure: 93x45sek, 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