light years. Notice the surrounding galaxies, This demonstrates the sensitivity of CCD
imaging. Taken unguided, through a ten inch f/4.8 refector. An Atik 314L CCD camera was
used under very clear moonless sky conditions . Sixty second sub-frames and matching
dark-frames were used, making total exposure time of sixty minutes for each colour filter:
This image of M42 was taken using only RGB data. An Atik 314L CCD camera was used with a ten inch f/4.8 reflector, unguided. Sixty second sub-frames and matching dark-frames were used. The exposure time was thirty minutes for each colour channel, giving a total exposure time of ninety minutes:
