The Alpine Valley rille

• Telescope:Celestron 11 f/d110
• Focal lengh: 31000mm
• Mount: Losmandy G11
• Film: TP2415
• Hypered: no
• Exposure: 2s
• Development: D19 4min 20°C
• Camera: Nikormat
• Location: Raïatea
• Processing: Adobe Photoshop 6