M31 – Andromeda galaxy
Observing date: 2013-09-07
Observing site: Ekerö, Sweden
Temperature: +15°C
Telescope: –
Mount: Astrotrac w/ wedge and ballhead
Photographic equipment: Nikon D5100 w/ Sigma 120-400mm APO lens @ 400mm
Other optical equipment: –
Exposure: 90x30sek, ISO 800
Other info: –
Processing: Stacked in Deep sky stacker and processed in Photoshop CS6
Photographer(s): Leif Ratzinger & Jakob Sagatowski