As per Massive Dev Chart with an adjustment for developer at approx. 19°. (11...
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Ilford HP5+ 400 at 800 in HC-110 1:63
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8 minutes, 30 seconds at 20°C/68.0°F
Konica IR 750 in Ilford Microphen stock
6 minutes at 20°C/68.0°F
Lucky SHD 100 in Ilford Microphen stock
8 minutes, 20 seconds at 20°C/68.0°F