The following plot shows the lab spectrum from Harald with the sensitivity profile from Randy overlain.

Adding OI to the spectrum, I assume that the total OI 1304 emission is equal to the total LBH. The shortest LBH
band is arount 1259, so I ignore all the emissions short of that point to make that calculation. I also remove them
for the rest of this discussion. The resulting spectrum is plotted below.

Convolving the filter sensitivity with the original spectrum, one gets a 'count rate' of  2006. Convolution with the spectrum with OI added results in 2324, an increase of 318 counts, or a 16% increase in count rate.

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