Babu, G. S. D; Nathan, J. S; Rajamohan, R; Sivaraman, K. R
(Astronomical Society of Indian, 1989-09)
IHW filter photometry of Comet Halley was carried out on seven nights during pre-perihelion period and on six nights during post-perihelion period, using the 40-cm telescope at the Vainu Bappu Observatory, Kavalur, as a ...