During yesterdays solar eclipse, we had a go at some basic observation techniques.
First up was the colander, as advised on BBC national news. That was basic, but it worked OK.Then a basic pinhole camera, using a small hole punched into a cardboard sheet, That gave a more discrete image.Then we went for a Nikon D5000 camera with a fold out viewing screen to avoid line of sight eye contact with the suns rays. The sensors are not designed to handle such intense light, but the optical anomalies within the camera lens elements did give an aberration effect that showed the image displaced more clearly.Just for fun, I took a direct image of the sun during the eclipse and edited the light levels and contrast to give this distorted image. The light intensity is still creating a lens aberration reflection which represents the real image more clearly. This blast is from a 90% moon coverage of the sun, and it shows how even at that level, the light intensity is immense.It is possible to crank the camera sensor down to get a better image, but this session was done without any serious preparation, so that option, or the filter options were not considered.
On 11 Aug 1999 we experienced a near total eclipse of the sun when we were on the Llynn Peninsular in Wales. It really did go dark, cold and silent then, and we used a pinhole camera to see the obscured sun and its corona. When the light returned, some minutes later, I was impressed by the intensity of bird song around us. Happy days!