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Friday, 29 September 2023

Photographing sunspots

I've just sent off an article for a magazine about how to photograph sunspots: although you can use an expensive H-alpha solarscope, I get my best results using a Baader filter. This silver-coated plastic membrane lets just the right amount of light through to the camera sensor: here are some photos from today (and of the Solarscope!)






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