Camera: Sony A57
Lens: Sigma 35mm f/1.4
Composition: 21 frame mosaic
Total exposure: ~60 minutes-cm2 (17x sky 60s f/2 ISO400, 4x land f/1.4 180s ISO400)
Tracker: Sky-Watcher Star Adventurer
Raw converter:
RawTherapee
Processing:
Hugin,
rnc-color-stretch,
GIMP