Spectrophotometric observations of the comet Swift-Tuttle (1992t)

Abstract

Periodic comet Swift-Tuttle (1992t) period 135 years was observed with 104 cm reflector of Uttar Pradesh State Observatory, Naini Tal, using OMA (Optical Multichannel Analyser) reticon array detector in the visible region of the spectrum of four nights of December 1992. The molecular emission bands of CN (Delta nu = 0) at 3880 A, CH + C3 at 4050 A and C2 (Delta nu = +1, 0, -1) at 4690 A, 5160 A and 5530 A were identified.