NGC2244 . The Rosette Nebula . This image is a composition taken using an Atik 383L CCD
mono camera, a ten inch F4.8 reflector with PHD auto-guiding. The total exposure time was
ten minutes for each colour filter, 90 minutes using a H-alpha filter and 30 minutes
using an O111 filter. Five minute sub frames were captured with matching dark frames.
Here is a cropped section of the image using false colours revealing the structure.
