The missus kindly held up a piece of A4 paper this lunch time outside in a howling gale so I could project an image of the Sun onto it.
An 80mm refractor with a 5X Barlow was used. Yes the image is upside-down just as it came out of the refractor 🙂
The missus kindly held up a piece of A4 paper this lunch time outside in a howling gale so I could project an image of the Sun onto it.
An 80mm refractor with a 5X Barlow was used. Yes the image is upside-down just as it came out of the refractor 🙂