Messier 42: The Great Orion nebula

- Name: Messier 42 / Orion nebula
- Type: nebula - star forming region
- Constellation: Orion
- Telescope: William Optics 66mm APO refractor (388mm focal length)
- Mount: Celestron GT CGEM
- Camera: Canon 450 (unmodified)
- Guiding: 5-inch Celestron SCT / Orion StarShoot Autoguiding camera / PHD Guiding software
- Exposures: 9 180s exposures
- Location: Chambers Lawn, Davidson College, Davidson, NC
- Date: April 2011