This is just a very short entry to say that the company that built the cameras (Boller & Chivens) has an excellent website describing the Baker-Nunn cameras. They discuss not only the SAO and Air Force tracking cameras but also the ‘Missile Re-entry Camera’ that was produced. I had never heard of this one before ...

The bit that I know about the Oslo (actually at Harestua) Baker-Nunn comes from the document ‘Science in War and Peace’ (in Norwegian). It’s actually quite an interesting read and gives a very good history of the early days of the BN and how there came to be a camera at Harestua. Here are a ...

The Brazilian camera, for me, has always been a bit of an enigma. I knew that one existed but wasn’t sure of it’s history nor what had happened to it. The rumour that I had heard was that it was last seen rotting away on a dock somewhere. Although it seemed shocking, it turned out ...