NGC3628

NGC3628. This galaxy lies at a distance of about 35 million light years in the constellation of Leo. Five minute sub frames were captured with matching dark frames, making total exposure times of 60 minutes using a red filter, 30 minutes using a green filter and 20 minutes using a blue filte. An Atik 383 L mono CCD camera was used with a ten inch f/4.8 reflector, using PHD auto guiding.

The Bubble Nebula

The Bubble nebula. This image is a reprocessed image revealing its surrounding nebuosity. Five minute sub frames and matching dark frames were captured making total exposure times of sixty minutes using a H-alpha filter, sixty minutes using an O111 filter and twenty minutes for each colour filter. Taken using a ten inch F 4.8 reflector, PHD auto-guiding and an Atik 383L mono CCD camera..

The Rosette nebula

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.