Cyanotype Exposure Times for today Wednesday 29/11/23
Please note that the times below are approximate for sunlight exposing between 11am & 4pm.
Light cloud: 12m
Heavy cloud: 50m
Sunny = Clear sky.
Light cloud = You can clearly see the sun’s position through the clouds.
Heavy cloud = You can not see the sun’s position through the clouds.
Times are based on the conditions below:
Exposure time: Between 10am & 3pm.
Location: Central UK, exposure outside, clear view of sun’s position without obstruction.
Glass: No (Some glass will filter UV light and may need a longer exposure).
Coating: Classic Formula on paper (dried overnight).
These times are only a guide to help exposing with the sun, you may need to adjust exposure times to suit your setup. Always do a step test if you need more accurate timings.