Scattered Lyman-α radiation of comet 2012/S1 (ISON) observed by SUMER/SOHO W. Curdt, H. Boehnhardt, J.-B. Vincent, S. K. Solanki, U. Schühle and L. Teriaca A&A, 567 (2014) L1 Published online: 04 July 2014 DOI: 10.1051/0004-6361/201423990