What is the easiest way of taking Kirlian pictures (photographic techniques used to capture the phenomenon of electrical coronal discharges)?
Kirlian photography, although the study of which can be traced back to the late 1700s, was officially invented in 1939 by Semyon Davidovitch Kirlian. The Kirlian photographic process reveals visible “auras” around the objects photographed. These photographs have been the subject of much myth and controversy over the years.
For clarification, I'm not concerned whether this is a digital or analog solution.
Answer
Since Kirlian photography in the proper sense is a technique that makes contact prints of objects directly on film without the use of lenses, it can not be done using a modern digital camera. The auras in Kirlian photos are caused by the reaction of the chemicals in the film to the electric current running through them. The same electric currents would not have a similar effect on a digital sensor viewing a scene through a lens from several feet away.
It is possible to use digital imaging devices to record the visible electrical discharge around flat objects if a transparent electrode plate is placed over the object and used for the positive charge.
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