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Algae, spirulina (Spirulina maxima) anthotype by Marion Sidebottom

“Walk of Hope” by Marion Sidebottom
Country: UK
Parts used: Powder
Application: Brushing
Exposure time: 2 days
Month, season and year: August, Summer, 2022
Substrate: Hannemuhle Platinum Rag 300 gsm
Contrast of final print: ** (Medium)

Algae, blue (Spirulina maxima) anthotype by Marion SidebottomAlgae, blue (Spirulina maxima) for making anthotypesAmount: 1 tablespoon powder
Extracted using: N/A as already in powder form
Thinner: Tap water
Layers: 2
Used to create image: Positive on OHP film (2 stacked together), printed on inkjet from original photograph

Challenges or observations:
Difficult to get an even coating and avoid brushstrokes. Would be useful to try different ratios of powder to water, or mixing with alcohol to see if this makes a difference to the emulsion consistency. Vibrancy of the blue-green colours are is pleasing. Spirulina also worked very well for photograms of plants which had greater contrast.

Instagram: @marionseyephotoart

Any additional information you would like to share: I always feel thankful to nature and hopeful for the future when walking under trees; this is particularly important to me at the moment, after just completing 6 months of chemotherapy. This archway of Hornbeam trees was planted in 1977 to mark the Silver Jubilee of Queen Elizabeth at Anglesey Abbey in Cambridgeshire. Incredibly, she has just celebrated her Platinum Jubilee in 2022.


 
 

This anthotype is part of World Anthotype Day

World Anthotype Day was started by AlternativePhotography.com in 2022. In August anthotype artists all over the world celebrate the anthotype process and send in their entries. We add them here to the database and create a reference book for each year. The purpose of the day is to build a large resource where artist can learn which pigmenets and plants that work and draw inspiration from other artists' work. The reference books can be found here:

Volume 1 is the first book in the series:
Anthotype Emulsions, Volume 1 – The collective research from photographers on World Anthotype Day 2022
Volume 1 contains 60 unique anthotype emulsions from 103 artists taking part from 31 countries.
 

Anthotype Emulsions, Volume 1 – The collective research from photographers on World Anthotype Day 2022


Volume 2 is the second book:
Anthotype Emulsions, Volume 2 – The collective research from photogaphers on World Anthotype Day 2023
Volume 2 contains 100 unique anthotype emulsions from 139 artists taking part from 31 countries.
 

Anthotype Emulsions, Volume 2 – The collective research from photographers on World Anthotype Day 2023


 
If you want to learn more about making anthotypes there is also the "how-to" book:
Anthotypes – Explore the darkroom in your garden and make photographs using plantsMake prints using plants - an environmentally safe process!
 
The most comprehensive resource on Anthotypes.
 

Anthotypes – Explore the darkroom in your garden and make photographs using plants

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If you are already practising anthotype printing, we suggest making notes to document and learn:
Anthotype notebook50 pre-defined pages for you to document your anthotype process.
 

Anthotype notes – Document your anthotype process

Free for Supporting Members - both new and exisiting!

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