Why the recorded track is sometimes different?

[marcastel57]

Yesterday night I was playing offline a ground strafing mission. I must have hit with my cannons a fuel tank, as there was a big explosion with high flames that I had to cross through. Wow, very choreographic! But in the recorded track there was no evidence of that: just a little fire with some smoke. Other times I have noticed differences between mission and recorded track. How is it possible? How does the recording work?