AlunSalt

“Astronomy compels the soul to look upwards and leads us from this world to another” – Plato

  • Recent Posts

    • Mercury Transit

      You can follow the Mercury transit until 0100 GMT (UT) via the Big Bear Solar Observatory’s webcam. Here’s the start. You’re looking for the black dot that shifts.

      Below is a version I’ve re-coloured, but hopefully you can see where the dot has moved.

      The reason the live image appears black and white is that the Big [...]