Cowsik, R; Singh, J; Raju, K. P; Saxena, A. K; Samson, J. P. A; Naidu, B. N
(Indian Institute of Astrophysics, Bangalore, 1997)
Narrow pass band hydrogen alpha filtergrams were obtained during totality at Kalpi, to look for cool pockets of H-alpha emission in corona first observed by Bappu and Bhattacharyya during the 1970 Mexican eclipse observations. ...