Posts Tagged ‘cyanotype lecturers’
ROCKHAMPTON CYANOTYPE: A workshop in ‘Blue’
A Capricornia Printmaker’s hand and cyanotype being exposed
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Last weekend we worked with members of the Capricornia Printmakers Inc in an investigation of Sir John Herschel’s 1840s historical cyanotype process. The 12 participants spent two days working with a range of shadow making objects and the blue image of the simple ferrous iron.
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The process relies on coating paper or cloth with a chemical made by the combination of potassium ferricyanide and ferric ammonium citrate. On drying the light sensitive material has objects placed on it and then exposed in sunlight. Ultra-violet light is required and exposure times may be 8-10 minutes although times may vary depending on the time of year – or day – or if clouds get in the way.
Advanced work uses enlarged contact negatives of photographs made on overhead projection transparencies through laser photocopiers or inkjet printers.
We experienced one day of intermittent sun that worked out well for us. The next day though presented us with thick clouds of tropical cyclone Hadi making the direct sunlight system all but impossible. Luckily we had our A2 UV exposure unit with us that enabled us to continue work indoors regardless of the weather.
We all had a great time and the Capricornia Printmakers pushed the limits of the process and will, with the chemistry remaining, continue having the ‘blues’.
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What follows is a report in images….
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This goes with that — selecting objects to image…
Drying a coated sheet
Nanette selecting stuff to image
Ready for action – Nanette and Vicky
Exposing a negative of image and text
Exposing the contact frams to the sun
Image and text on cloth — a success!
Drying coated cloth
- Exposing some miniature cyanotypes in fading light
Peta holding her images close before washing-out.
The Walter Reid Cultural Centre in Rockhapton – The venue for the workshop
The BOM cyclone track map
Rain coming in on Sunday – Not good for sunlight exposures
Aileen with one of her works
Taking a break at the artists residency @ Walter Reid Cultural Centre after a frenetic Saturday’s workshop
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The workspace cleared and ready for the next time …
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All photos © Doug Spowart. Participants are welcome to access their photos…
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