"SOLSTICE SOLARGRAPHS: Last December, the staff of the Philippus Lansbergen Observatory in Middelburg, the Netherlands, invited members of the general public to join them for a solargraph-making party. A solargraph is a simple pinhole camera made from a soda or beer can lined with a piece of photographic paper. About a 100 cans were deployed around the observatory and, six months later, here are the results:…"

How to create 6 month exposures.

Check out the pictures.

a how-to

How to build a pinhole camera with a 6 month exposure to show the path of the sun.

How to create 6-month exposures.

6 month pinhole camera exposure. I never knew this was something people did!

Used to take this picture: http://antwrp.gsfc.nasa.gov/apod/ap090115.html