- Please click on BAA Logo if you wish to return to the main BAA Portal Page. Last Revision: 2002 May 30 Latest BAA and Astronomical News See updated List of Meetings during 2002. May 10 - Mark Armstrong discovers Supernova SN2002cs: Mark's latest supernova discovery is a 16th magnitude object in NGC 6702 detected on a single 45-second exposure of 2002 May 5.133UT (limiting magnitude 18.5) using a ...www.ast.cam.ac.uk/~baa