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I first came across the term ‘Solargraphy’ on this forum and was directed to website dedicated to the art of Solargraphy.
This is a basic photographic method of recording the path of the Sun as the year progresses. This image commenced on 22 June 2019, the day after the Summer Solstice when the Sun was at its highest altitude in the noon day sky and finished on 22 December 2019, the Winter Solstice when the Sun is at its lowest point at noon. The silhouette of the neighbouring properties can also be made out in the picture.
Using a basic pinhole camera I was able to record every clear day the track of the Sun across the southern sky, each day the Sun’s altitude was getting slightly lower.
Whilst the camera is basic, the main challenge is to avoid water damage and as you can see from the image some rain has managed to find its way inside. However, the pinhole camera is cheap to make with the following purchases made via Amazon;
100 cable ties £5.49
20 35mm plastic film canisters £8.88
100 sheets of Ilford Multigrade 4 glossy photographic paper £25.98
The remaining items were already in the house (drill bit, tinfoil, electrical and duct tape).
Given the potential for disaster I made two pinhole camera’s and one of them provided this image, the other was washed out due to rain water getting in. Making more than one camera certainly improves the chances of success. The camera's themselves were attached with cable ties to the down pipe of the guttering and facing South.
Anyone wishing to learn more about Solargraphy and how to construct the pinhole camera should check out Tarja Trygg's website http://www.solargraphy.com/index.php .
I've made a pinhole projector out of a carpet roll tube which is about 8' long. I made a small window in the bottom end, added the white platform for the projection in the bottom, and covered the top with a small patch of tin foil with a hole in it. I have tried pointing it at the sun so that the shadow is at its smallest but I cannot get a projection of the sun on the white plastic surface I put in the bottom, what am I doing wrong? The only thing I can think of is that the projection is too dim and cannot be seen, if that is the case then what is the answer? I'm thinking maybe I need more shade around the viewing window, or maybe I need to use paper instead of white plastic to project onto (can't see why though - white is white). Any pinhole projector experts here who can advise please?