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This was discussed previously on another ONAG thread.
Bear in mind that a IR controller test (I thought the wave lengths were closer to 940nm) doesn't infer that your camera will record that much IR in astrophotography...it's like comparing a searchlight to a candle....
The beam splitter in the ONAG will act similar to an IR cut filter. All stars emit some light right across the spectrum (Planck Curve) so the brightness (for guiding) may vary but still be usable.
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