Rausaria, R. R; Gupta, S. S; Selvendran, R; Raman, K. S; Singh, J
(Kluwer Academic Publishers, 1993-08)
We have studied the evolution of two dark H-alpha filaments as prominences during their disk passage from February 12 to February 19, 1992 and from March 6 to March 17, 1992, using Kodaikanal Observatory H-alpha and Ca II ...