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Originally Posted by cventer
you can but the result is not as good as an averaged master dark. In built camera noise reduction will subtract the noise it sees in that particular exposure. If you get a cosmic ray strike during that partcular dark you end up with a messed up exposure.Taking several and avergaing gives a better and msoother view of the cameras dark noise.
Using in built darks subtraction also mean you waist valuable imaging time for each exposure while camera does noise reduction.
Regards
Chris
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Hi Chris,
Do Cosmic Rays actually make landfall ? I thought they collided with particles in our atmosphere and created other sub-atomic particles, like Muons, which then make it to the ground and allow us to detect the cosmic ray event ?
Paul M.