M51 – Whirlpool galaxy
Observing date: 2014-03-28
Observing site: Ekerö, Sweden
Temperature: -2°C
Telescope: Meade 12″ LX200GPS SCT
Mount: Meade fork mount
Photographic equipment: Nikon D5100
Other optical equipment: F/6,3 focal reducer, Astronomik CLS filter
Exposure: 65x60sek, ISO 800
Other info: Autoguided with QHY5L-II and PHD2 software through a Lotus RT480 refracting telescope
Processing: Stacked in Deep sky stacker and processed in Photoshop CS6
Photographer(s): Leif Ratzinger & Jakob Sagatowski