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Nice. I like the effect.
I have used IR film in the past and found it fun to use.
Just curious though about the filter transmission on the digital camera.
There are lots of graphs that show poor transmission in the Ha region for digital cameras and this is why people go to the effort of modding their cameras for astrophotography. I assumed that all radiation below ~6570A was blocked by the internal filter. You seem to have plenty of light getting through the IR filter.
Does this mean that the internal camera filter does let through IR?
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