from the protocol of field experiment numero 4

- "formula 40" testfilm
- shot indoors at night
- no flash, tripod
- illuminance:~100 Lux (4 bulb livingroom lighting)
- NOT shielded during development, exposed to ambient room light (illuminance: see above)
- temperature during development: ~21° celsius
- relative humidity during development: 53,4%
- moon phase: waxing gibbous (81% of full)

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