Outburst activity in comets - I. Continuous monitoring of comet 29P/Schwassmann-Wachmann 1 J. M. Trigo-Rodríguez, E. García-Melendo, B. J. R. Davidsson, A. Sánchez, D. Rodríguez, J. Lacruz, J. A. De los Reyes and S. Pastor A&A, 485 2 (2008) 599-606 Published online: 16 April 2008 DOI: 10.1051/0004-6361:20078666