at a distance of about 6,500 light years. The total exposure times was twenty minutes for
each colour channel capturing five minute sub-frames with matching dark-frames . An Atik
383L CCD camera and a ten inch, f/4.8 reflector were used with PHD auto guiding:
M42. The RGB exposure times were twenty five minutes for each colour channel using sets
of five one minute sub-frames combined with four, five minute sub-frames and matching
dark-frames. The luminance channels, H-alpha and Olll were taken capturing five minutes
sub-frames. The total exposure time was ninety minutes using an Olll filter and 120
minutes using a H-alpha filter. This image was captured using a ten inch, f/4.8 reflector
with PHD auto guiding and an Atik 383L CCD camera:
RGB
Narrowband
RGB & Narrowband Combined
