• Photos
NGC 4631 - The Whale Galaxy: A Cosmic Spectacle!
Whale Galaxy & Hockey Stick Galaxy: A 2.5-Hour DSLR Capture! 
- Capture Date: 2012-02-22
- Credit: Cédric Thomas
- Location: “Le petit Borobia” Observatory, remote operation
- Telescope: William Optics FLT 110 TEC (oiled spaced) @ F/5.2
- Focal Reducer: William Optics AFR-IV 0.8x
- Mount: Sky Watcher N-EQ6 Pro
- Autoguiding: LodeStar on 80mm guide scope + MaximDL
- Camera: Canon EOS 1100d, Astrodon modified
- Exposure: 2h30 (30x300s) @ ISO 800
- Processing: DeepSkyStacker, Levels + Curves + Cropping (Photoshop)