Total mass of six quiescent prominences estimated from their multi-spectral observations P. Schwartz, P. Heinzel, P. Kotrč, F. Fárník, Yu. A. Kupryakov, E. E. DeLuca and L. Golub A&A, 574 (2015) A62 Published online: 27 January 2015 DOI: 10.1051/0004-6361/201423513