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..