British Astronomical Association

Supporting amateur astronomers since 1890

BAA Circular 831 – Comet 2012 S1 (ISON)

PDFTo download this document, why not become a member.

To access this journal you need to join the association

1 2 3
The British Astronomical Association supports amateur astronomers around the UK and the rest of the world. Find out more about the BAA or join us.